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babymother [125]
3 years ago
8

Explain how to estimate 586 - 321 two different ways.

Mathematics
1 answer:
makkiz [27]3 years ago
7 0

One way is to round the numbers to nearest five. (586 - 321 will be 585-320). Another way is to round it off by tens. (586 - 320 will be 590-320). Hopefully this helps you and god luck!

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ZE and ZF are vertical angles with mZE = 8x + 8 and mZF = 2x +38.<br> What is the value of x?
Dovator [93]

Answer:

Since ZE and ZF are vertical angles, they are congruent.

8x+8 = 2x+38

8 = 2x-8x+38

8 = -6x+38

8-38 = -6x

-30 = -6x

x = -30/-6

x = 5

7 0
3 years ago
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If w=125 then what is 12456+w ?
hodyreva [135]

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12,581

Step-by-step explanation:

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Eight less a number is less than or equal to seventeen
allsm [11]

Answer:

n ≥ -9  

Step-by-step explanation:

Let n = the number

8 <em>less than</em> a number means "n – 8", but

8 <em>less</em> a number means "8 – n," so

8 – n ≤ 17     Subtract 8 from each side

    -n ≤ 9      Multiply each side by -1

    n ≥ -9

<em>Note</em>: When we multiply by a negative number, we must reverse the inequality.

<em>Check:</em>

Try n = -8.

8 – (-8) ≤ 17

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<em>True</em>.

8 0
3 years ago
3. Determine which ordered pair is not a solution of y = –5x – 4.
erastovalidia [21]

Answer:

A

Step-by-step explanation:

Let's try choice A.

y = -5x-4

(10, -52)

-52 = -5(10)-4

-52 = -50-4

-52= -54

-52 is not equal to -54, so A is the answer.

5 0
3 years ago
I do need help i believe.
nirvana33 [79]
I think it’s the 3rd option
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2 years ago
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