Solve the system of equations -4x-2y=30−4x−2y=30 and -x+y=6−x+y=6 by combining the equations.elimination

Answers

Answer 1

Answer:

215.00

Step-by-step explanation:


Related Questions

What is the inverse of the following statement? If two triangles are congruent, then their corresponding angles are congruent.

Answers

Answer:

If two triangles are not congruent, then their corresponding angles are not congruent.

Step-by-step explanation:

The inverse is when both the hypothesis and conclusion are negative (if not p, then not q).

Answer:

If two triangles are not congruent, then their corresponding angles are not congruent.

what is the slope of the line graphed below? (3,3) (0,-6)

Answers

Answer:

Where is the line

Step-by-step explanation:

Answer:

The slope of the lines is 3.

Step-by-step explanation:

Since I can't actually graph it, we can make a table

x      y

3      3

0     -6

From 3 to -6, you subtract 9 (for the y section)

From 3 to 0, you subtract 3 (for the x section)

Now all you need to do is divide y by x

y/x = -9/-3 = 3

It's a positive 3, because two negatives times each other will always result in a positive.

Slope = 3

Hope this helped!

Have a supercalifragilisticexpialidocious day!

2 feet to 43 inches type the ratio as a simplified fraction help with question plzz

Answers

Answer:

24/43

Step-by-step explanation:

2 feet = 24 inches

The answer is 24/43 or 24:43. I can't be simplified.

Help me please this is dew by the end of the day

Answers

Answer:x = 4 1/2

19-2 1/2 x2 = 14-2 1/2 x2 = 9/2 = 4 1/2

Write the equation of the directrix of the parabola shown below.
y2 + 16y+ 4x + 4 = 0

Answers

Answer:

x = 16 is the answer

Step-by-step explanation:

To determine the point at which medians of a triangle intersect one another, it is necessary to determine the equations of the lines for two

medians. The coordinates of which two points are used in the calculation of the equation for a given median?


A. the perpendicular bisector of one side and its intersection with a second side

B. the midpoint of one side of a triangle and the midpoint of a second side

C. one vertex of a triangle ahd the point of intersection of the angle bisector and the opposite side

D. one vertex of a triangle and the midpoint of its opposite side

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Maybe try D
The answer is D

i dont know what to do... im kinda not smart

Answers

7.

10% = 6

25% = 15

50% = 30

20% = 12

_____________________

8.

a = 35

b = 105

c = 140

____________________________

9.

15 is 30% of 50.

_____________________________

10.

The punch recipe contains 25% lemonade:

24/6 = x/100

x=1/4 x 100 = 25%

_____________________________

11.

520

multiply 650 by 80 amd then divide by 100

or simply multiply 650 by 0.8

to get 520 students.

_______________________________________

12.

Number of items checked = 300

Defective items = 3%

Number of defective items =

Number of defective items =

Number of defective items = 9

Number of items worked = Total items - Number of defective items

Number of items worked = 300 - 9 = 291

291 items of checked items worked.

2a + 3a + 4a =5a -18

Help?

Answers

Answer:

-9/2

Step-by-step explanation:

Answer: a=-9/2 (Exact Form) a=-4.5 (Decimal form) a=-4 1/2 (mixed Number form)

Step-by-step explanation:

Will mark brainlist if you answer this correctly!!!

Answers

it’s e the answer is e

The speed of a car is 50 mph. Correct to the nearest mph. What are its limits of accuracy?

Answers

Answer:

If its going 50 mph then its going 50 mph right??

Step-by-step explanation:

sorry im dum tehe :'D


is this correct or incorrect?

Answers

pretty sure that’s correct but please clean ur screen HAHAH

I’ll give 100 points please help look at the picture for question

Answers

Answer:

17-7

Step-by-step explanation:i think its 17-7  Hope this helps !

Stacia has 28 red and blue marbles. The ratio of red to blue marbles is 1:6. How many blue marbles does Stacia have?

Answers

Answer:

The total number of blue marbles = 24

Step-by-step explanation:

Total number marbles Stacia has = 28

The ratio of red to blue marbles = 1 : 6

Let 'r' be the number of red marbles.Let 'b' be the number of blue lines

As the total number of marbles is 28. Thus,

r + b = 28

As the ratio of red to blue marbles is 1 to 6.

It means for each red marble 'r', we have 6 blue 'b' marbles. Thus,

b = 6r

now substituting b = 6r in the equation r + b = 28

r + b = 28

r + 6r = 28

7r = 28

divide both sides by 7

7r/7 = 28/7

r = 4

Thus,

The total number of red marbles ⇒ r = 4

The total number of blue marbles ⇒ b = 6r = 6(4) = 24

Therefore,

The total number of blue marbles = 24

A steel ball is dropped from a height and hits the ground 6.7 seconds after its release. From what height (in feet) was the ball released?

Answers

Step-by-step explanation:

Acceleration = g = 32.17ft/s²

Initial velocity = 0ft/s

Time taken = 6.7s

Using Kinematics,

we have s = ut + 0.5at².

=> s = (0)(6.7) + 0.5(32.17)(6.7)²

=> s = 722.06ft.

To find the quo 2/5 divided 1/4.

Answers

Answer:

A. Multiply 2/5 by 4

Step-by-step explanation:

Because when you dividend fraction

1,write the reciprocal of the second fraction number and multiply with the first fraction number

2,multiply the numerators and denominators of both fraction..

the reciprocal of 1/4 is 4/1 =4so the answer is 2/4 by4

Answer:

Step-by-step explanation:

Ghhhhhjhhbhhhhu

50 POINTS GUYS
Deon is playing fetch with his dog with a toy that is shaped like a circle. The circumference of the toy is 12π inches.

Which measurement is closest to the area of the toy in square inches?


18.84 in.²

37.68 in.²

113.04 in.²

452.16 in.²

Answers

Answer:

113.04

Step-by-step explanation:

The required measurement is closest to the area of the toy is [tex]113.04\ inches^{2}[/tex]

Given that,

Deon is playing fetch with his dog with a toy that is shaped like a circle,

The circumference of the sculpture is 12π inches.

We have to determine,

Which measurement is closest to the area of the toy in square inches.

According to the question,

Circumference of the circle = [tex]2\pi r[/tex]

Where, circumference = [tex]12\pi[/tex]

Then,

[tex]12\pi =2\pi r \\\\r = \dfrac{12\pi }{2\pi }\\\\r = 6\ inches[/tex]

Therefore,

Deon is playing fetch with his dog with a toy that is shaped like a circle.

Area of the circle = [tex]\pi r^{2}[/tex]

Where, r = 6inches

Then,

Area of the circle is given by,

[tex]= \pi r ^{2}\\\\= 3.14 \times (6)^{2}\\\\= 3.14 \times 36\\\\= 113.04\ inches^{2}[/tex]

Hence, The required measurement is closest to the area of the toy is [tex]113.04\ inches^{2}[/tex].

To know more about Circle click the link given below.

https://brainly.com/question/20902835

What is the product of one half and two thirds?

Answers

Answer:

Step-by-step explanation:

0.33333333333

Answer: 2/6 or 1/3 as simplest form hope his helps

Your friend has s pennies. You have 11 pennies. You and your friend have a total big 23 pennies. Which equation can you use to find s?


A.) s + 11 = 23
B.) 11s = 23
C.) s - 11 = 23
D.) s divided by 11 = 23

If correct I will mark brainlist ❤️

Answers

Answer:

A.

Step-by-step explanation:

The answer would be a because if you have s + 11 you will get 23

but if you were to find s it would be 12

Carmen is 4 1/4 years younger than Antoine. Katy is 5 1/2 years older than Carmen, To the nearest year, what is the difference in Antoine's age and Katy's age​

Answers

Answer:

katy is 10 years older than antoine

Step-by-step explanation:

plz mark brainliest.

Jocelyn walks her dog 5 days each week.Each Walk is 2 1/4 miles long. What is the total number of miles that Jocelyn walks her dog each week

Answers

Answer:the answer is c

Step-by-step explanation:

can someone explain this to me? PLEASE HELP FAST!!

Answers

Answer:

49.298

Step-by-step explanation:

Radio × π²

5×3.14²

5×9.8596

49.298

PLEASE PLEASE PLAESE HOW MANY TIMES CAN I SAY PLEASE I NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
answer like
answer 1. _____________
Answer 2.____________
answer 3.______________
answer 4.______________

Answers

Answer:

1.supplementary angles   adjacent angles

2.complementary angles    adjacent angles

3.vertical angles

4.complementary angles      adjacent angles

Step-by-step explanation:

help me this question should be easy

Answers

Answer: The left side  − 1 - 1  is equal to the right side  − 1 - 1 , which means that the given statement is always right.

Step-by-step explanation:

What proportion can be used when there is a %, the word "is" and the "of" in a problem?

Answers

Answer:

C. is / of = % / 100

Step-by-step explanation:

We can interpret this as:

x% of y is  z

Calculation is:

x*y/ 100 = z

Translate this into the given format:

% * of / 100 = is ⇒ % / 100 = is / of

This matches option C

What is the length and midpoint segment of AD? ​

Answers

Answer:

length 7 and midpoint 3.5

Step-by-step explanation:

length: -7-0=-7 but length is never a negative so its 7

midpoint: 7/2= 3.5

hepl me please i am giving alot of points away​

Answers

I think it is A:x=3

9514 1404 393

Answer:

  (d)  y = 3

Step-by-step explanation:

The line of symmetry is the horizontal line halfway between the top and bottom of the image. The y-value there is 3, so the horizontal line has equation ...

  y = 3

find rotational symmetry
sorry about the cringy drawing but y'all get the idea right​

Answers

Step-by-step explanation:

The rotational symmetry is 4

Answer:

Rotational symmetry is 4 and symmetry is 4

In the following equation, what is the y-intercept? y = -3.1 +7 03 o7​

Answers

Answer:

the y-intercept, b, is 7

Step-by-step explanation:

Compare the given y = -3.1 +7 to y = mx + b.  I must assume that you meant

y = -3.1x +7.  It becomes evident that the slope, m, is -3.1 and the y-intercept, b, is 7.

How do I find the volume of a prism?

Answers

Answer:

470 cm³

Step-by-step explanation:

Decompose the prism into two rectangular prism.

Prism 1 will have the following dimensions and volume:

Length = 10 cm

Height = 8 cm

Width = 9 - 5 = 4 cm

Volume = L × W × H

Volume = 10 × 8 × 4 = 320 cm³

Prism 2:

Length = 10 cm

Height = 3 cm

Width = 5 cm

Volume = 10 × 3 × 5 = 150 cm³

✔️Volume of the entire prism = 320 + 150 = 470 cm³

The graph below represents the linear equation y=1/2x-3 a second linear equation is represented by the data in the table. What is the solution to the system of e

Answers

ik its late but the correct answer is C:(2,-2)

Step-by-step explanation:

I got the answer correct on Edge 2020.

Hope this helps!!

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