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3 years ago

14

Which is the coefficient in the expression 31y + 7 ?

1 answer:

AlexFokin [52]3 years ago

4 0

Answer: 31

Step-by-step explanation: A coefficient is a number that appears in front of a variable. So in this case, since 31 appears in front of the variable <em>y</em>, 31 is the coefficient.

Now, you might think that 7 is a coefficient also but it's not. The reason it's not is because it doesn't have a variable attached to it so a coefficient needs to have a variable next to it.

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32. At 8 AM, the temperature was 3°F below zero. By 1pm, the temperature rose

snow_lady [41]

Answer: - 1°F

Step-by-step explanation:

Given that:

At 8a.m:

Temperature = 3°F below 0

By 1p.m ; Temperature rose by 14F ;

By 10pm ; temperature dropped by 12F

Temperature at 10 pm:

3°F below 0 = - 3°F

Temperature at 1pm: temperature increased by 14°F

-3°F + 14°F = 11°F

Temperature at 10pm: temperature dropped by 12°F

11°F - 12 = - 1°F

3 0

3 years ago

Given that lines a and b are parallel and that m∠5 = 120°, find m∠1.

BARSIC [14]

Answer:

answer will be 120°

Step-by-step explanation:

as those are similar angles

8 0

3 years ago

Read 2 more answers

What is the remainder of (x3 - 6x2 -9x + 3) ÷ (x - 3)

klio [65]

I think it might be 5

6 0

4 years ago

The vertices of ABC are A(-3,5), B(-2,3), and C(-5,3). If ABC is reflected across the y-axis to produce the image A'B'C', find t

Nat2105 [25]

Answer:

$C' =(5,3)$

Step-by-step explanation:

Given

$A = (-3,5)$

$B = (-2,3)$

$C = (-5,3)$

Reflection across y-axis

Required

Find C'

For reflection across y-axis, the rule is:

$(x,y) \to (-x,y)$

So, the image of C is:

$(-5,3) \to (-(-5),3)$

$(-5,3) \to (5,3)$

Hence:

$C' =(5,3)$

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3 years ago

Simplify the expression. (x1/8 y1/4)2

Irina18 [472]

Answer:

Step-by-step explanation:

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3 years ago