Answer:
(61/7, -47/7)
Step-by-step explanation:
Given: y=2/7 -7
y=-x+2
Rewrite the top equation ( y=2/7 -7
y = -47/7
y = -x + 2
Because both equations are equal to y, we can rewrite it again.
-47/7 = -x + 2
Add x to both sides
x + (-47/7) = 2
Add 47/7 to both sides.
x = 47/7 + 2/1
x = 61/7
As stated in the beginning, y is equal to -47/7
Hope you understand!
Simplify:
6−4(3x−2)+4x
16x−2
−8x+14
−8x−2
Answer:
6 − 4(3x − 2) + 4x = 6 - 12x + 8 + 4x = x(-12 + 4) + 14 = -8x + 14[tex]\bf \large \longrightarrow \: \:6 \: - \: 4 \: (3x - 2) \: + \: 4x[/tex]
[tex]\bf \large \longrightarrow \: \:6 \: - \: 12x \: + \: 8 \: + \: 4x[/tex]
[tex]\bf \large \longrightarrow \: \:14 \: - \: 12x \: + \: 4x[/tex]
[tex]\bf \large \longrightarrow \: \:14 \: - \: 8x[/tex]
After rearranging[tex]\bf \large \longrightarrow \: \: - 8x \: + \: 14[/tex]
find the surface area of triangle prism.
Step-by-step explanation:
the area of a triangle is baseline×height/2
in case of such a right-angled triangle we can use the sides that enclose the 90 degree angle as baseline and height.
so,
B = 8×6/2 = 8×3 = 24 yd²
the height h is 8 yd (as the picture clearly shows).
the perimeter of the base is the sum of all three sides
P = 8 + 6 + 10 = 24 yd
3.What mathematical property is used to get the resulting
expression for each line? Complete the table below.
Line 1: (7 + 10x) + 3
Line 2:
(10x + 7) + 3
Line 3:
10x + (7 + 3)
Line 4:
10x + 10
Answer:
what is the condition of loss ?1)sp>mp 2)CP>sp 3) sp>CP 4)mp>spThe UN has 4 main purposesTo keep peace throughout the world;To develop friendly relations among nations;To help nations work together to improve the lives of poor people, to conquer hunger, disease and illiteracy, and to encourage respect for each other’s rights and freedoms;To be a centre for harmonizing the actions of nations to achieve these goals
Principles of United Nations
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These principles include the equality and self-determination of nations, respect of human rights and fundamental freedoms and the obligation of member countries to obey the Charter, to cooperate with the UN Security Council and to use peaceful means to resolve conflicts.
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A word where two vowels together blend their sound is a vowelrahim was getting his house build. He shared the design with his friend Anas. Anas pointed out that there were no ventilators in his house. What is your opinion Are the ventilators important? Why? What quality of Anas is evident in this case?
PLEASE SOMEONE SOLVE B) I ALREADY KNOW 1. A) Is 75.875m^2
Which of the following is a geometric sequence?
ES EL PUNTO A. RPBHCGNDGE
I think of a number, double it and the result is 9. Evaluate the number that I first thought of
Answer:
4.5
Step-by-step explanation:
9/2 = 4.5
f(x)=-5x-4 and g(x)= -3x-2, find (f-g)(x)
Answer:
Step-by-step explanation:
(-5x-4)-(-3x-2)
-5x-4+3x+2
-2x-2
-2(x+1)
how to locate square root 100 on number line
Answer:
10
Step-by-step explanation:
Answer:
Step-by-step explanation:
First we find the square root of 100(for this we use a calculator)
[tex]\sqrt{100\\}[/tex] = 10
The square root of 100 is 10.
Now locate 10 on a number line.
CAN YALL HELP ME WITH PYTHAGOREAN THEOREM
Answer:
c=82
Step-by-step explanation:
Answer:
The answer is 82!
Step-by-step explanation:
(18)^2 + (80)^2 is 6724, which has a square root of 82.
Help ASAP
order -3, 5, 16, and -10 from least to greatest. Then order the same numbers from closest to zero to fastest from zero. Describe how your lists are similar. Would this be true if the numbers were -3, 5, -16, and -10?
Answer:
List from least to greatest:-16,-10,-3,5
List from closest to zero to the very far:-3,5,-10,16
Step-by-step explanation:
In order to know if the answer is accurate,draw a number line of directed numbers...the very far negative numbers,are said to be the least than the numbers almost close to zero...
I have two hours to get this done please help me I’ve been stuck on this problem
Answer:
The answers are all bolded below. If you can, please read the explanation so you can pass a test if asked.
Step-by-step explanation:
First, the quadratic equation we are starting with is -x^2 + 10x + 9.5
-------------------------------------------------------------------------------------------
For the first part, it's asking for how high it is when it starts, commonly, we use 0 as the start point so if we plug 0 into the quadratic equation, we have 9.5. The height is 9.5 feet at start.
-------------------------------------------------------------------------------------------
For the second part I'm assuming it's asking for either a minimum or a maximum and because the equation has a -x^2, that means the parabola has a maximum. You can tell by -x^2 being negative, if it was x^2 (positive) it would have a minimum.
The maximum is found using the vertex formula(because the vertex is the max or min), -b/2a, where a is -1, b is 10, and c is 9.5 found in the equation because the quadratic is in standard form ax^2 + bx + c. This gives a vertex of 5.
We plug 5 back in the equation to get (5, 34.5).
5 is the x-coordinate so it is 5 feet horizontally and 34.5 feet high
--------------------------------------------------------------------------------------------
For the last part it's asking for a root, or when the parabola touches the x axis/the ground.
-x^2 + 10x + 9.5
You would use the quadratic formula but I'm too lazy so I just put it into a calculator.
That gives roots of around x=−0.87367 and x=10.8737.
You can't have a negative root so you're left with x= 10.8737, rounding to the tenth decimal place, 10.9.
I think that's correct, could be wrong, if it is wrong just follow the steps and it should be fine.
The temperature of a city B (x) last week was lesser than or equal to - 9°C.
Represent this as an inequality. Does -8°C satisfy this inequality?
O xs-9, No.
O x2-9, No.
XS-9, Yes.
O x2-9, Yes.
Answer:
XS-9, yes#####################
Suppose a graph passes the horizontal line test: No horizontal line can be drawn that touches the graph in more than one location. Does this mean that the graph represents a function? If not, is there anything special about a graph that passes the horizontal line test? Share your ideas with a classmate.
Answer:
Step-by-step explanation:
If a function passes the horizontal line test, then we may conclude that the inverse of the function exists and can be found.
Please help me. Taylor pays $5.25 for 5 yard of frabric.Whats the cost per yard?
Thank you!
Answer:
$1.05 per yard
Step-by-step explanation:
5.25 ÷ 5 = 1.05
Answer:
$1.05 per yard.
Step-by-step explanation:
find unit rate; (cost / quantity)
5.25 / 5 = 1.05
4x^2+2y=8 and 2x^2=7, then find y
Equation obtained from the question.
4x² + 2y = 8 .............(1)
2x² = 7..... (2)
Step 2:Determination of the value of x².
From equation 2,
[tex]2x^{2} = 7[/tex]
Divide both side by 2
[tex]x^{2} = \frac{7}{2}[/tex]
Step 3:Determination of the value of y
From equation 1,
[tex]4x^{2} + 2y = 8\\ \\But\\\\x^{2} = \frac{7}{2}\\\\Thus\\\\4(\frac{7}{2}) + 2y = 8[/tex]
Clear bracket
[tex]14 + 2y = 8[/tex]
Collect like terms
Divide both side by 2
[tex]y = \frac{-6}{2}[/tex] y = –3Therefore, the value of y is –3
Learn more: https://brainly.com/question/10618557
Help anyone can help me do this question,I will mark brainlest.
Answer:
22 mm
Step-by-step explanation:
PLEASE HELP ASAP
I WILL MARK BRAINLIEST
Answer:
Estimated 120 students
Step-by-step explanation:
Hi there!
The survey established that 3 out of the 75 students did not have social media accounts.
[tex]\displaystyle \frac{3}{75}[/tex]
Let [tex]x[/tex] be equal to the number of students in the entire school who does not have social media accounts.
[tex]\displaystyle\frac{x}{3000}[/tex]
Create a proportion:
[tex]\displaystyle \frac{3}{75}=\displaystyle\frac{x}{3000}[/tex]
Multiply both sides by 3000 to isolate [tex]x[/tex]:
[tex]\displaystyle \frac{3}{75}*3000=\displaystyle\frac{x}{3000}*3000\\\\\frac{9000}{75}=x\\\\120=x[/tex]
Therefore, the number of students in the entire school who do not have social media accounts is estimated to be 120.
I hope this helps!
apply the dristrbutie property to factor out the greatest common factor of (8)(x)-20
Answer:
4(2x-5)
Step-by-step explanation:
8x - 20
Rewriting
4*2*x - 4*5
Factor out 4
4(2x-5)
Ricardo has a square hot tub. He wants to build a square pool next to it that is a dilation of the hot tub using a scale factor of 5. Point Q is the center of dilation. Square A B C D is dilated to created square A prime B prime C prime D prime. The length of B prime C prime is 24 feet. If the pool is to be 24 ft on each side, what is the length of one side of the hot tub?
Answer:
The length of one side of the hot tub is 4.8ft
Step-by-step explanation:
Given
Shape: Square
[tex]k = 5[/tex] -- scale factor
[tex]B'C' = 24[/tex]
Required
Side length of ABCD (the hot tub)
From the question, we understand that
[tex]ABCD \to D_5 \to A'B'C'D[/tex] ABCD dilated by 5 to A'B'C'D
This implies that:
[tex]BC * 5 = B'C'[/tex] i.e. the sides of ABCD is multiplied by 5 to get A'B'C'D
So, we have:
[tex]BC * 5 = 24[/tex]
Divide by 5
[tex]BC = 4.8[/tex]
Plz help me out with this
Given,
HK is the perpendicular bisector of GJ. So, GK = KJ.GK = 2x + 10KJ = 3x - 15_______________
Find KJ .
_______________
First find the value of x
[tex] \sf \: GK \: = KJ \\\sf 2x + 10 = 3x - 15 \\\sf 2x - 3x = - 15 - 10 \\ \sf - x = - 25 \\ \sf \: - > \boxed{\bf \: x = 25}[/tex]
Now, find the value of KJ.
[tex]\sf3x - 15 \\ \sf= 3(25) - 15 \\ \sf=7 5 - 15 \\ = \boxed{\bf \: 60}[/tex]
-> The value of KJ is 60.
_______________
Hope it helps.
RainbowSalt2222
Answer:
KJ = 60
Step-by-step explanation:
In order to find the length of KJ we must find the value of x
Perpendicular bisectors split lines into two EQUAL parts.
If GJ is bisected then the two parts that make it up are equal to each other.
In other words GK = KJ
If GK = 2x + 10 and KJ = 3x - 15 then
2x + 10 = 3x -15
Solve for x
2x + 10 = 3x -15
Subtract 2x from both sides
10 = x - 15
Add 15 to both sides
x = 25
Now to find KJ we simply plug in the value of x into KJ's given expression
Expression given: 3x - 15
x = 25
KJ = 3(25) - 15
Multiply 3 and 25
KJ = 75 - 15
Subtract
KJ = 60
Someone please help me!!!!!
Answer:
B is going to be half the intercepted arc
<ABC = 80
<CAB = 55
mARC(AB) = 90
mARC(BC) = 110
Step-by-step explanation:
8c + 2(6 - 3c) - 7
How do I simplify this pls help
Answer:
2c+5
Step-by-step explanation:
Answer:
7c
Step-by-step explanation:
You do PEMDAS.
6-3c is 3c.
so itd be 8c + 2(3c) - 7
then id multiply 3c with 2 so its be6c.
then id add 6c with 8c, and its be 14c. then i subtract it with 7 and get 7c.
Given that 3=a+r/a-r,make r the subject of the formula?
i- dont know...sorry
Find r and s. PLS HELP AND QUICK!
Answer:
r=12
S=24
Step-by-step explanation:
[tex] \tan(60) = \frac{12 \sqrt{3} }{r} \\ \sqrt{3} = \frac{12 \sqrt{3} }{r} \\ r = 12 \\ \\ \\ \sin(60) = \frac{12 \sqrt{3} }{s} \\ \frac{ \sqrt{3} }{2} = \frac{12 \sqrt{3} }{s} \\ s = 24[/tex]
I hope I helped you^_^
Which point on the
graph represents
the y-intercept?
Answer:
point B
Step-by-step explanation:
The y- intercept is the point where the graph crosses the y axis
Use the distributive property to rewrite this expression, then simplify the new expression, if possible.
-3(y+2)
Answer:
-3y-6
Step-by-step explanation:
[tex]-3(y+2)=-3y-6[/tex]
find x...............................
Answer:
sqrt(2) =x
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin theta = opp/ hyp
sin 45 = x/2
2 sin 45 =x
2 ( sqrt(2)/2) =x
sqrt(2) =x
căn bậc 2 của 5 là bao nhiêu
Answer:5
Step-by-step explanat[tex]\sqrt{5} = 5[/tex]
[tex]\sqrt{5}[/tex] = 2.23
is -66 rational or irrational ?
Answer:
It's rational because it's not a decimal numbet
HELP PLEASE
i would really appreciate if someone answered this correctly!
Answer:
n-32
Step-by-step explanation:
edmentum
