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3 years ago

How do you estimate the sum of 198,260+31,900?

Mathematics

1 answer:

Vesnalui [34]3 years ago

4 0

To estimate an amount to the tenth we have 3 steps to follow: ...

STEP 2: We add the rounded numbers. ...

STEP 1: Round the summands.

STEP 2: Add the rounded numbers.

STEP 3: Look at the total amount of rounding.

We have rounded the two summands down.

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When i was 18 years old, my sister was half my age. Now I am 82 years. How old is my sister now?

iVinArrow [24]

Answer:

$41 \: \: \: years \: \: \: old$

Step-by-step explanation:

$me \: \: \: \: \: \: \: \: \: \: \: sis \\ 18 \: \: \: \: \: \: \: \: \: \: \: \: 9 \\ 82 \: \: \: \: \: \: \: \: \: \: \: x \\ \\ use \: \: cross \: \\ multipaction \\ \\ 18x = 82 \times 9 \\ 18x = 738 \\ \frac{18x}{18} = \frac{738}{18} \\ x = 41$

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3 years ago

Read 2 more answers

The annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to

Serjik [45]

B: 914-20(27.80)=X, multiply: 20(27.80)=556, 914-556=$358 :A.

C: 914-27.80=$886.20 :)

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3 years ago

Which table represents a linear function?

bearhunter [10]

Answer:

Table 2

Step-by-step explanation:

<h3>Table 1</h3>

x- values change 1 to 4
y- values change inconsistently and repeat at -2

This is <u>not</u> a linear function

<h3>Table 2</h3>

x- values change 1 to 4
y- values change consistently, with common difference of -2

<u>This is a linear function</u>

<h3>Table 3</h3>

x- values change 1 to 4
y- values change inconsistently, the difference is not common

This is <u>not</u> a linear function

<h3>Table 4</h3>

x- values change 1 to 4
y- values change inconsistently, the difference is not common

This is <u>not</u> a linear function

8 0

2 years ago

Factor the polynomial: 6x^2 + x - 35

umka21 [38]

Answer:

= (2x+5)x(3x-7)

Step-by-step explanation:

3 0

3 years ago

Write y2 in isolated<br> form.<br> 19x2 + 4y2 = 25

Bogdan [553]

Y=(-19x+5)/4 thats your answer

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3 years ago