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QveST [7]
3 years ago
11

Jayne says that 0.45 is equal to 4/10. Is she correct? Explain.

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
7 0
0.45 =  \dfrac{45}{100}

\dfrac{4}{10} =  \dfrac{4 \times 10}{10 \times 10} =  \dfrac{40}{100}

\dfrac{45}{100}  \neq  \dfrac{40}{100}

They are not the equal.
yKpoI14uk [10]3 years ago
4 0
No, 4/10 is equal to 0.40 and not 0.45 since 4/10 goes in tens.
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Round 721295.198715 to the nearest ten.
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Answer:

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Step-by-step explanation:

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Find the measure of.. (Image included) <br> I'll take all the help I can get please :)
sergey [27]

Answer:

\sf\Huge\boxed{C.40}

Step-by-step explanation:

Hello There!

Remember: sum of interior angles of a triangle = 180

so to find x we use this equation

180 = 90 + 7x + 5 + 9x + 5 ( the little square in the triangle indicates that the angle is a right angle. right angles have a measure of 90 so that's where the 90 came from.)

now we solve for x

step 1 combine like terms

90 + 5 + 5 = 100

7x + 9x = 16x

now we have 180 = 16x + 100

step 2 subtract 100 from each side

180 - 100 = 80

100 - 100 cancels out

now we have 80 = 16x

step 3 divide each side by 16

80/16 = 5

16x/16=x

we're left with x = 5

Finally we plug in 5 into x for angle a

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7*5=35

35+5=40

so we can conclude that the measure of angle A is 40 degrees

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3 years ago
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umka2103 [35]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

1. 11/12

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5. 3/3=1

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