Pleas help i dont understand

Mathematics

2 answers:

Nostrana [21]3 years ago

6 0

Answer:

it represents that something is moving at a pace of 60 miles per 4 hours or 15 miles per hour

Step-by-step explanation:

zloy xaker [14]3 years ago

6 0

Answer:

it shows that in 4 hours the car an go 60 mi.

Step-by-step explanation:

hope it is right

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Read this scene from The Miracle Worker Act 2.

Likurg_2 [28]

Answer:

The stage directions describe how characters react to Helen.

Step-by-step explanation:

In the given scene, the different characteristics of Helen as well as how other characters react when they see Helen is depicted in the scene. Other characters in the scene react differently to Helen when they come in contact with her. This is the main objective of the stage direction. It shows the interaction between Helen and others.

4 0

3 years ago

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The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28. Which solution can be used to fill i

notsponge [240]

Answer: (5,2)

Step-by-step explanation:

Given equations: $2x-2y=6......(1)\\4x+4y=28.......(2)$

Divide 2 on both sides of equation (1) and 4 on the both sides of equation (2), we get

$x-y=3......(3)\\x+y=7.......(4)$

Adding equation (3) and (4), we get

$2x=10\\\Rightarrow\ x=5$

Substitute x=5 in equation (4), we get

$y=7-5=2$

Hence, the solution of the both equations is (5,2).

7 0

3 years ago

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Can someone please answer these questions?

Arisa [49]

Keep in mind that you can gather only like terms. Two terms can be summed/subtracted if they involve the same powers of the same variables.

So, going point by point:

We can subtract the terms, because they both involve the variable $b$ , and we have $3b-7b = (3-7)b = -4b$
We can sum the terms, because they all involve the variable $a$ , and we have $a+a-5a = (1+1-5)a = -3a$
We can't sum this terms: 3 is a pure number, while 3r involves the variable r.
We can only sum the two terms: we have $7t-8t-8 = (7-8)t-8 = -t-8$
We can't sum this terms: -20 is a pure number, while -15p involves the variable p.
We can sum the terms, because they all involve the variable $g$ , and we have $-g-g-g = (-1-1-1)g = -3g$