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2 years ago

A number a is to the left of the number b on the number line how do the numbers -a and -b compare?

Mathematics

1 answer:

Leokris [45]2 years ago

8 0

Answer:

-a will be greater than -b because for example, when a=2 and b=5, -a=-2 and -b=-5

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Donna purchased a prepaid phone card for $25. Long distance calls cost

levacccp [35]

First you figure out how much money she used so $25 - $20.14 which is equal to $5.86. Now you need to figure out how much minutes that is equal to $5.86. So you need to figure out what x is equal to in: x * <span> ¢</span>18 = $5.86.
x is equal to 32.555555

so she was calling for 32.555555... minutes or if you are rounding it would be 32.6 minutes

hope this helps ^^

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3 years ago

to shift the graph of an equation some numbers of units to the ___, you add that number to each graph

solmaris [256]

Answer:

Step-by-step explanation:

Given

y = f(x), then

y = f(x ± a) is a horizontal translation of a units

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3 0

3 years ago

Read 2 more answers

I kinda need help nah I definitely need help

xxMikexx [17]

Answer:

<BCD = 128, <ECD = 52

Step-by-step explanation:

(3x + 5) + (x + 11) = 180

4x + 16 = 180

4x = 164

x = 41

<BCD is complimentary to <ACE which is (3x + 5). (3 * 41 + 5) = 128

<ECD is complimentary to <ACB which is (x + 11). (41 + 11) = 52.

4 0

3 years ago

Pleses help me thank you

OLEGan [10]

when solving for y

y = -7x/3-6

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4 0

3 years ago

Total brain fart! 24+5x=-x+6(5a-4)

kow [346]

Answer:

When solving for x, answer = $\large\boxed{x = 5a - 8}$

When solving for a, answer = $\large\boxed{a = 1/5x + 8/5}$

Step-by-step explanation:

24 + 5x = -x + 6(5a - 4)

Start by multiplying 6 by the values in the parenthesis

24 + 5x = -x + 30a - 24

Add 24 to both sides of the equation

48 + 5x = -x + 30a

Add 1x to both sides of the equation

48 + 6x = 30a

Subtract 48 from both sides of the equation

6x = 30a - 48

Divide both sides of the equation by 6

x = 5a - 8 (Answer when solving for x)

Add 8 to both sides of the equation

x + 8 = 5a

Divide both sides of the equation by 5

a = 1/5x + 8/5 (Answer when solving for a)

-----------------------------------------

When solving for x, answer = $\large\boxed{x = 5a - 8}$

When solving for a, answer = $\large\boxed{a = 1/5x + 8/5}$

Hope this helps :)

3 0

3 years ago