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USPshnik [31]
3 years ago
10

Chapter 7 exstra review

Mathematics
1 answer:
Lynna [10]3 years ago
8 0

Answer:

Give me a problem and I'll give you an answer. You didn't give a link the what your looking for.

Step-by-step explanation:

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V<br><img src="https://tex.z-dn.net/?f=%20%7Bv%7D%5E%7B2%7D%20%20%20%3D%20%20%7Bu%7D%5E%7B2%7D%20%20%2B%202as%20" id="TexFormula
natulia [17]

Answer:

The area under the line of the velocity-time graph is the distance travelled by the object in the time t.

For example u = 20m/s and t = 300 s

Distance (s) = ut = 20 x 300 = 6000 m

Step-by-step explanation:

8 0
3 years ago
What is the approximate volume of the cone
irina [24]

Answer: 2120.58

Step-by-step explanation:

4 0
3 years ago
What is the length of the missing leg?
lesantik [10]

Answer: I am so sorry if this doesn't help 135

6 0
3 years ago
A school is building a rectangular stage for its chorus. The stage must have a width of 4 feet. The area of the stage must be at
slavikrds [6]

Answer: Length ≥ 6 feet

Step-by-step explanation:

The area of a rectangle= length × width

In this case, the width is 4 feet and the area of the stage must be at most 24 square feet.

The inequality that describes the possible lengths (in feet) of the stage would be:

Length × Width ≥ 24

Length × 4 ≥ 24

Length ≥ 24/4

Length ≥ 6

Therefore, the length must be at most 6 feet.

4 0
3 years ago
Solve the system of equations – 2x + y = –8 and 4x– 6y = –24 by combining<br> the equations.
kipiarov [429]

Answer:

4

Step-by-step explanation:

Multiply the second equation by −2 to get −4x − 12y = −48.

Step-by-step explanation:

Given:

4x + y = 4 (1)

2x + 6y = 24 (2)

Multiply the second equation by −2 to get −4x − 12y = −48.

4x + y = 4 (1)

−4x − 12y = −48 (3)

Variable x can be eliminated by adding the equations

4x + (-4x) + y + (-12y) = 4 + (-48)

4x - 4x + y - 12y = 4 - 48

0 - 11y = -44

-11y = -44

Divide both sides by -11

y = -44/-11

= 4

3 0
3 years ago
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