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Bond [772]
3 years ago
5

Explain how to use a number line to find a decimal equivalent to 1 7/10

Mathematics
2 answers:
adelina 88 [10]3 years ago
6 0
One is one the number line and the 7/10 is between 0.8
IrinaVladis [17]3 years ago
6 0

Answer:

Step-by-step explanation:

We are given with a mixed fraction 1\frac{7}{10}

To solve the given mixed fraction, we will have to split it and perform addition

1\frac{7}{10} = 1 + \frac{7}{10}

⇒1\frac{7}{10} = \frac{7}{10}

⇒1\frac{7}{10} = 0.7

now to find 0.7, as it is a positive real number, hence it would line to the right of 0 on the number line between 0 and 1

also as the midpoint between 0 to 1 will be at \frac{1}{2} or 0.5 therefore 1\frac{7}{10} will be slightly closer to 1 on the number line.

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Classify the pair of angles. Then find the value of x.
sleet_krkn [62]

Answer:

3) x = 50, vertical angles.

4) x = 20, supplementary angles

5) x = 14, complimentary angles

Step-by-step explanation:

<h3>3)</h3>

<em>vertical angles.</em>

<em>vertical angles are equal.</em>

<em>so, you can make this equation:</em>

67 = x + 17

<em>subtract 17 from both sides of the equation</em>

67 - 17 = x + 17 - 17

67 - 17 = x

50 = x

<h3>4)</h3>

<em>supplementary angles</em>

<em>supplementary angles add up to 180</em>

<em>so, you can make this equation:</em>

7x + 40 = 180

<em>subtract 40 from both sides of the equation</em>

7x + 40 - 40 = 180 - 40

7x = 180 - 40

7x = 140

<em>divide both sides by 7</em>

7x/7 = 140/7

x = 140/7

x = 20

<h3>5)</h3>

<em>complimentary angles</em>

<em>complimentary angles add up to 90</em>

<em>so, you can make this equation:</em>

4x + 34 = 90

<em>subtract 34 from both sides of the equation</em>

4x + 34 - 34 = 90 - 34

4x = 90 - 34

4x = 56

<em>divide both sides by 4</em>

4x/4 = 56/4

x = 56/4

x = 14

8 0
2 years ago
Elena is buying cups and plates for her party. Cups are sold in packs of 8 and plates are sold in packs of 6. She wants to have
Svet_ta [14]

Answer:

For 80 people, Elena would need

14 packs of plates and 10 packs of cups

She would have at least 80 of each.

I am not completely sure of this, sorry if wrong.

Step-by-step explanation:

80 people

8 cups per pack

6 plates per pack

8, 16, 24, 32, 40, 48, 56, 64, 72, 80

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84

LCM (least common multiple) = 24

8 0
2 years ago
Read 2 more answers
Which expression represents the phrase 12 more than a number times 16
Mars2501 [29]
12+16x is the expression
8 0
3 years ago
Read 2 more answers
Why do we use the distributive property when subtracting expressions?
pochemuha

Consider the example

(3x+5) - (x-10)

When we subtract off the (x-10), we are basically subtracting off x and also subtracting off -10. This is the same as adding on 10 because -(-10) = 10

So we would have these steps

(3x+5)-(x-10)

3x+5-x+10

2x+15

Often students forget to distribute the negative all the way through and would have 3x+5-x-10 as an incorrect step. You need to multiply that -1 through to each term, so that's why the distributive property is used.

3 0
2 years ago
Read 2 more answers
Find 2/5 of 128. I need help
hammer [34]
So you would multiply if it has the word of in the problem right?

4 0
3 years ago
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