which of the following points is a solution to the system of inequalities shin graphed below?

———————————————

(1) (2, 1)

(2) (5, 0)

(3) (-3, 2)

(4) (3, -5)

thank you in advance to any one who answers this :))))

Which Of The Following Points Is A Solution To The System Of Inequalities Shin Graphed Below? (1) (2,

Answers

Answer 1

Answer:

Step-by-step explanation:

Which Of The Following Points Is A Solution To The System Of Inequalities Shin Graphed Below? (1) (2,

Related Questions

plz help me to do this​

Answers

Answer: b

Explain: because that’s where they both meet

what is the answer for 14a³ - 22a we have to Factorise it​

Answers

Answer: 2a (7a² - 11).

Answer:

Step-by-step explanation:

Both numbers are even. You can take out a 2.

14/2 = 7

22/2 = 11

There is a limitation of one a on the 22. But you can take out 1 a

a^3/a = a^2

Combing you get

Answer: 2a(7a^2 - 11)

This is the reverse distributive property.

i need the answer for this 2120 = 18x + 320

Answers

Answer:

100

Step-by-step explanation:

we need to swap sides so we take the 320 and put it in the other side but in negative form and that comes out to 1800 and then we divide that by 18

Answer:

x = 100

Step-by-step explanation:

2120 - 320 = 1800

1800 ÷ 18 = 100

Can someone help me with this math homework please!

Answers

Answer:

10

Step-by-step explanation:

f ( 1 ) = 18

First term ( a ) = 18

f ( n + 1 ) = f ( n ) - 2

When, n = 1

f ( 1 + 1 ) = f ( 1 ) - 2

f ( 2 ) = 18 - 2

f ( 2 ) = 16

f ( 2 ) - f ( 1 )

= 16 - 18

= - 2

Common difference ( d ) = - 2

f ( 5 )

= a + 4d

= 18 + 4 ( - 2 )

= 18 - 8

= 10

Bruce drove 25 km and his car used 4 L of gas. How many km can Bruce drive with 30 L of gas? Round your answer to the nearest km.

Answers

Answer:

188km

Hi there!!

I hope this answer helps.

Step-by-step explanation:

You can solve this with simple cross multiplication. (proportion)

Step-by-step explanation:

the box of a truck has dimensions 1m by 2m by 4m.
Explain how this truck was able to carry 9m3 of sand.

Answers

Answer:

The truck will have to carry the sand on two trip.

Step-by-step explanation:

Applying,

V = lwh................ Equation 1

Where V = volume of the box truck, l = length of the box truck, h = height of the box truck, w = width of the box truck.

From the question,

Given: l = 1 m, w = 2m, h = 4 m

Substitute into equation 1

V = 1×2×4

v = 8 m³

Since the volume of the box truck is 8 m³, the truck would carry a 9 m³ sand by runing two trip.

First trip: The truck will carry 8 m³ sand

Second trip: The truck will carry the remaining 1 m³ sand

Which of the following statements does not prove that ABCD is a parallelogram.
Given: A(-4, 7), B(3,0), C(2,-5) and D(-5, 2).

Answers

Answer:

answer A

Step-by-step explanation:

A=(-4,7)

C=(2,-5)

midpoint = U=((-4+2)/2, (7+(-5))/2)=(-1,1))

B=(3,0)

D=(-5,2)

midpoint = V=((3+(-5))/2,(0+2)/2)=( -1,1)

Diagonals have the same middle, the quadrilater is a parallogram.

Because of a manufacturing error, three cans of regular soda were accidentally filled with diet soda and placed into a 12-pack. Suppose that two cans are randomly selected from the 12-pack. (a) Determine the probability that both contain diet soda. (b) Determine the probability that both contain regular soda. Would this be unusual

Answers

Answer:

1 /22

6/11

Step-by-step explanation:

Total number of soda = 12

Number of diet soda in pack = 3

Number of regular soda = 12 - 3 = 9

Suppose selection is done without replacement ;

Recall : probability = required outcome / Total possible outcomes

P(selecting diet soda on 1st pick) = number of diet soda / total Number of soda in pack = 3 / 12

Diet soda left = 3 - 1 = 2

Total sodas left in pack = 12 - 1 = 11

P(selecting diet soda on 2nd pick) = 2 /11

Probability(diet soda on both picks) =

3/12 * 2/11 = 6 / 132 = 1 / 22

B.)

P(selecting regular soda on 1st pick) = number of regular / total Number of soda in pack = 9 / 12

Diet soda left = 9 - 1 = 8

Total sodas left in pack = 12 - 1 = 11

P(selecting regular soda on 2nd pick) = 8 /11

Probability(regular soda on both picks) =

9/12 * 8/11 = 72 / 132 = 12 / 22 = 6/11

Find the sum of all the integers from 1 to 100 that are not multiples of 7

Answers

Answer:

4343

Step-by-step explanation:

To find multiple of 7 from 1 to 100,

Take the quotient of 100/7=14

n=100 (number of terms)

n=100-14 (Without Multiple of 7=number of terms - multiple of 7)

=>n=86

Sum of 1 to 100 => Sn = n/2(a + an)

                          => Sn = 86/2(1+100)

                          => Sn = 43(101)

                          => Sn = 4343

Point C is the center of dilation. Line segment B A is dilated to create line segment B prime A prime. The length of C A is 4. The length of A A prime is 16. What is the scale factor of the dilation of line segment BA?

Answers

Answer:

Step-by-step explanation:

Given

See attachment for figure

[tex]CA = 4[/tex]

[tex]CA' = 16[/tex]

Required

The scale factor (k)

Since point C is the center of dilation, the scale factor (k) is calculated using:

[tex]k = \frac{CA + CA'}{CA}[/tex]

So, we have:

[tex]k = \frac{4+16}{4}[/tex]

[tex]k = \frac{20}{4}[/tex]

[tex]k = 5[/tex]

Answer:

The actual answer is D

Step-by-step explanation:

(5)
I got 100%

(–4c2 + 7cd + 8d) + (–3d + 8c2 + 4cd) =

Answers

Answer:

4c² + 11cd + 5d

Step-by-step explanation:

(–4c2 + 7cd + 8d) + (–3d + 8c2 + 4cd)

-4c² + 7cd + 8d - 3d + 8c² + 4cd (opening bracket)

8c²-4c²+7cd + 4cd + 8d - 3d

= 4c² + 11cd + 5d

Answer:

4c^2 + 5d + 11cd

Step-by-step explanation:

Hey next time please write the numbers that have exponent like this: (Ex: 3x^2)

(-4c^2 + 7cd + 8d) + (-3d + 8c^2 + 4cd)

Combine like terms

-4c^2 + 8c^2 = 4c^2

Combine Like Terms

7cd + 4cd = 11cd

Combine Like Terms

8d - 3d = 5d

Results:

4c^2 + 5d + 11cd

5894 divided by 14 step by step

(Please help. I just wanna know if I’m doing this right)

Answers

Answer:

421

Step-by-step explanation:

5894 divided by 14 in decimal = 421 • 5894 divided by 14 in fraction = 5894/14• 5894 divided by 14 in percentage= 42100%

YOUR WELCOME :)))

Find the angles of the triangles if they are proportional to the following: 3,4,5
WILL GIVE BRAINLIEST IF UR ANSWER IS RIGHT

Answers

Let the proportion be 3x, 4x and 5x .

We know that sum of all angles of a triangle measures 180°.

So, keeping the values equals to 180°.

⇒ 3x + 4x + 5x = 180°

12x = 180°

x = 180°/12

x = 15°

Now, finding the each angle measure.

3x = 3 × 15 = 45°

4x = 4 × 15 = 60°

5x = 5 × 15 = 75°

Hence, the measure of each angle is 45°, 60° and 75° respectively.

❒ Required Solution:

It is given that the three angles of the triangle are proportional to 3,4,5. And we are here to find the three angles with the help of the angle sum property (Sum of the angles of a triangle = 180°). So, using this property we can find all the angles.

So, Let's assume the angles as 3x, 4x and 5x.

❍ According to the question :

[tex]\\ \tt \implies \: 3 x+ 4x + 5x = 180{}^{ \circ} \\[/tex]

[tex]\\ \tt \implies \: 12 x = 180{}^{ \circ} \\[/tex]

[tex]\\ \tt \implies \: x = \frac{180{}^{ \circ} }{12} \\ [/tex]

[tex]\\ \implies \tt \: x = 15{}^{ \circ} [/tex]

Hence,

[tex]\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \circ \: \: \: \: \tt \:1st \: \: \: angle \: \: \: \: \: = 3x=3 \times 15=45{}^{\circ} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \circ \: \tt \:2nd \: \: \: angle \: \: \: \: \: = 4x=4\times 15=60{}^{\circ} \: \: \: \: \: \\ \\ \circ \: \: \: \: \tt \:3rd \: \: \: angle \: \: \: \: \: =5 x=5\times 15=75 {}^{\circ} \: \: \\ \\[/tex]

❒ V E R I F I C A T I O N :

Sum of the angles of the triangle = 180°

[tex]\\ \tt \implies \: 3 x + 4x + 5x = 180{}^{ \circ} [/tex]

[tex]\\ \tt \implies \: 45 {}^{ \circ} + 60{}^{ \circ} + 75{}^{ \circ}= 180{}^{ \circ} [/tex]

[tex]\\ \tt \implies \: 180{}^{ \circ} = 180{}^{ \circ} [/tex]

[tex]\\ {\quad { \quad{ \quad{ \textbf{ \textsf{L.H.S = R.H.S}}}}}}[/tex]

4x2+16x+8=0 by completing the square

Answers

Answer:

Add  

8

to both sides of the equation.

2

x

2

+

16

x

=

8

Divide each term by  

2

and simplify.

Tap for more steps...

x

2

+

8

x

=

4

To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of  

b

.

(

b

2

)

2

=

(

4

)

2

Add the term to each side of the equation.

x

2

+

8

x

+

(

4

)

2

=

4

+

(

4

)

2

Simplify the equation.

Tap for more steps...

x

2

+

8

x

+

16

=

20

Factor the perfect trinomial square into  

(

x

+

4

)

2

.

(

x

+

4

)

2

=

20

Solve the equation for  

x

.

Tap for more steps...

x

=

±

2

5

4

The result can be shown in multiple forms.

Exact Form:

x

=

±

2

5

4

Decimal Form:

x

=

0.47213595

,

8.47213595

Step-by-step explanation:

Independent Practice


Which of the following is a recursive formula for a geometric sequence that has first term 7 and common ratio −3negative 3?


A.
an=−3 · 7n−1a subscript n baseline equals negative 3 times left parenthesis 7 right parenthesis superscript n minus 1 baseline


B.
an=7 · (−3)n−1a subscript n baseline equals 7 times left parenthesis negative 3 right parenthesis superscript n minus 1 baseline


C.
a1=−3an=7 · an−1a subscript 1 baseline equals negative 3 line break a subscript n baseline equals 7 times a subscript n minus 1 baseline


D.
a1=7an=−3 · an−1a subscript 1 baseline equals 7 line break a subscript n baseline equals negative 3 times a subscript n minus 1 baseline

Answers

Answer:

D.

a1=7an=−3 · an−1a subscript 1 baseline equals 7 line break a subscript n baseline equals negative 3 times a subscript n minus 1 baseline

Step-by-step explanation:

does anyone know this?

Answers

Answer:

The volume is approximately 50 m^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h where r is the radius and h is the height

The radius is 1/2 of the diameter r = 8/2 = 4

V = pi ( 4)^2 (1)

V = 16 pi

Letting pi be approximated by 3.14

V = 3.14 * 16

V = 50.24

The volume is approximately 50 m^3

PLEASE I NEED HELP!!
Find the value of x

Answers

Answer:

y=4sqrt 3 X=8sqr 3

Step-by-step explanation:

4/y=y/12 y^2=48 y= sqrt 48= sqrt 4 * sqrt 3 * sqrt 4 = y = 4sqrt 3 then X

(4sqrt3)^2+144=x^2

48+144=192

sqrt 192

8sqrt3

The graph of a function f(x) is shown below:


What is the domain of f(x)? (1 point)
integers from - 1< x <2
integers from -3 < y < 3
integers from -3 < y <3
integers from -1 < x < 2

Answers

Answer:

It's all integers x such that -1<=x<=2.

Step-by-step explanation:

The domain is the x values for which the relation exists.

Lets read from left to right.

First point I see from left exists at x=-1, next one at x=0, then x=1, and finally at x=2.

So it's all integers x such that -1<=x<=2.

*<= means less than or equal to

he manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes. The population standard deviation is known to be 0.5 minute. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes. Refer to Exhibit 9-2. At a .05 level of significance, it can be concluded that the mean of the population is _____. a. significantly less than 3 b. significantly greater than 3.18 c. significantly greater than 3 d. not significantly greater than 3

Answers

Answer is C. Significantly greater than 3

πr is the formula for the ________ of a circle.

Answers

[tex]\boxed{\large{\bold{\blue{ANSWER~:) }}}}[/tex]

πr is the formula for the __of a circle.

half of the circumference

more information:-

[tex]\sf{\pi r^{2}=Area }[/tex]

[tex]\sf{2\pi r=circumference }[/tex]

[tex]\sf{2r=diameter }[/tex]

Can you answer this math homework? Please!

Answers

Answer:

Put both of those equations into slope-intercept form (in order to be typed into the graphing calculator).  

2x + 3y = 16.9

3y = -2x + 16.9

y = (-2/3)x + 16.9/3  

5x = y + 7.4

5x - 7.4 = y  

So in the graphing calculator,

Y1 = (-2/3)x + 16.9/3

Y2 = 5x - 7.4  

Then find the point of intersection and the x value of that would be the solution.

You get the coordinate (2.3, 4.1). So x = 2.3, y = 4.1

Step-by-step explanation:

The solution to the system of linear equations is (2.3,4.1)

Suppose the following set of random numbers is being used to simulate the event of a basketball player making four free throws in a row

Answers

what is the set of numbers

8605 8378 5814 0101 2233 7198 6215 4903 4076 7964 9597 8078 4333 3033 3153

Because the basket ball player is making 4 free throws, your numbers are only going to be 4 digits long. These are the numbers rearranged.

Hope this helps :)

TRIANGLES please help!! :)

Answers

Answer:

A

Step-by-step explanation:

First, the list of congruence theorems are:

SSS

SAS

ASA

AAS

HL

SSA is not on the list, so we can cross that out

Next, ASA implies that two angles are congruent, but we only know that one pair of angles (the right angles) are congruent, so we can cross that out

After that, the angle is not connecting the congruent sides, so D is not an option

Finally, we know that the longest sides (AD / AC) are congruent to each other, one other pair of legs/sides are congruent, and the triangles are both right triangles. Therefore, we can apply HL here

What is the distance from W to X?

Answers

Answer:

The answer is 35 miles.

Step-by-step explanation:

Let's assume that the distance from W to Y is x miles

Distance from W to X is 70 % of x =0.7*x

Given distance from X to Y is 15 miles.

x-15=0.7x

x-0.7x=15

0.3x=15

x=15/0.3

x=50miles

Thus the distance from W to Y is 50 miles and the distance from W to X is 50-15=35 miles

what is the value of x?

Answers

Answer:   x = 22

Explanation:

The adjacent angle to the right of the (6x+1) angle is 180-(6x+1). Simply subtract it from 180 to get its supplementary counterpart.

The three inner angles of any triangle must add to 180, so,

(inner angle 1) + (inner angle 2) + (inner angle 3) = 180

[ 180-(6x+1) ] + (79) + (2x+10) = 180

180 - 6x - 1 + 79 + 2x + 10 = 180

(-6x+2x) + (180-1+79+10) = 180

-4x+268 = 180

-4x = 180 - 268

-4x = -88

x = -88/(-4)

x = 22

Answer:

x = 22

Step-by-step explanation:

2x + 10 + 79 = 6x + 1

Think alternate interior angles

2x + 10 + 79  makes up one of the alternate interior angles

6x + 1 is the other.

Combine like terms.

Subtract 2x both sides.

Subtract 1 from both sides.

Divide by 4 both sides.  

Surface area of a cone. Can someone please explain?​

Answers

Answer:

H. 163.3

Step-by-step explanation:

The formula for the surface area of a cone is πrl(area of the side) + π[tex]r^{2}[/tex](area of the base), where l is the slant height and r is the radius. We know that the radius is 4 and the slant height is 9, so we plug it into the equation to get π(4)(9) + [tex]\pi r^{2}[/tex] = 36π+16π = 52π which rounds to 163.3.

tan(3x/7 - π/5)= -√3/3

Answers

Answer:

x is 7·π/30

Step-by-step explanation:

The given equation is presented as follows;

tan(3·x/7 - π/5) = (-√3)/3

We have that arctan (√3)/3 = π/6, and tangent of an angle is negative in the second quadrant, we get;

arctan (-√3)/3 = -π/6 = 5·π/6

∴ tan(-π/6) = -√3/3 = tan(3·x/7 - π/5)

-π/6 = 3·x/7 - π/5

x = (-π/6 + π/5) × 7/3 = (6·π - 5·π)/30 × 7/3 = π/30 × 7/3 = 7·π/30

x = 7·π/30

A 90 ° angle is divided into 2 angles.
Find the size of the angles.
5x+10 and 6x-41

Answers

Answer:

So required ans is 5*11+10=65 6x-41=25

Step-by-step explanation:

You can do as,

5x+10+6x-41=90

11x-31=90

11x=31+90

11x=121

x=121/11

x=11

x-3(x-2)=3(2x) Solution​

Answers

Step-by-step explanation:

x^2-2x-3x+6=6x

x^2-5x+6=6x

x^2+6=6x+5x

x^2+6=13x

x^2-13x=6

x(x-13)=6

The graph of $y=ax^2+bx+c$ passes through points $(0,5)$, $(1,10)$, and $(2,19)$. Find $a+b+c$.

Answers

Answer:

[tex]a+b+c=10[/tex]

Step-by-step explanation:

We are given that the graph of the equation:

[tex]y=ax^2+bx+c[/tex]

Passes through the three points (0, 5), (1, 10), and (2, 19).

And we want to find the value of (a + b + c).

First, since the graph passes through (0, 5), its y-intercept or c is 5. Hence:

[tex]y=ax^2+bx+5[/tex]

Next, since the graph passes through (1, 10), when x = 1, y = 10. Substitute:

[tex](10)=a(1)^2+b(1)+5[/tex]

Simplify:

[tex]5=a+b[/tex]

The point (2, 19) tells us that when x = 2, y = 19. Substitute:

[tex](19)=a(2)^2+b(2)+5[/tex]

Simplify:

[tex]14=4a+2b[/tex]

This yields a system of equations:

[tex]\begin{cases} 5 = a + b \\ 14 = 4a + 2b\end{cases}[/tex]

Solve the system. We can do so using elimination (or any other method you prefer). Multiply the first equation by negative two:

[tex]-10=-2a-2b[/tex]

Add the two equations together:

[tex](-10)+(14)=(-2a+4a)+(-2b+2b)[/tex]

Combine like terms:

[tex]4 = 2a[/tex]

Hence:

[tex]a=2[/tex]

Using the first equation:

[tex]5=(2)+b\Rightarrow b=3[/tex]

Therefore, our equation is:

[tex]y=2x^2+3x+5[/tex]

Thus, the value of (a + b + c) will be:

[tex]a+b+c = (2) + (3) + (5) = 10[/tex]

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