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3 years ago

Find the measure of each angle in the problem

Mathematics

1 answer:

Rufina [12.5K]3 years ago

8 0

Answer:

7f = 70 degrees

2f = 20 degrees

Step-by-step explanation:

assuming it is a right angle:

7f + 2f = 9f

90 degrees/9 (# of sections) = 10 degrees per section

7f = 7(10) or 70 degrees

2f = 2(10) or 20 degrees

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The width of a rectangle is only 15% of its length. If the perimeter of the rectangle is 46, what is the length

sveta [45]

Answer:

20 units

Step-by-step explanation:

Let the length be x. According to the question,

Length = x
Width = 15% of the length

➝ Width = 15% of the length

➝ Width = 15/100x

➝ Width = 3/20x

We have the perimeter of the rectangle that is 46 units.

$\longrightarrow \sf {Perimeter_{(Rec.)} = 2(L + W) } \\$

$\longrightarrow \sf {46= 2\Bigg \lgroup x + \dfrac{3}{20}x \Bigg \rgroup } \\$

$\longrightarrow \sf {46= 2\Bigg \lgroup \dfrac{20x + 3x}{20} \Bigg \rgroup } \\$

$\longrightarrow \sf {46= 2\Bigg \lgroup \dfrac{23x}{20} \Bigg \rgroup } \\$

$\longrightarrow \sf {\dfrac{46}{2}= \dfrac{23x}{20}} \\$

$\longrightarrow \sf {23= \dfrac{23x}{20}} \\$

$\longrightarrow \sf {23 \times 20 = 23x} \\$

$\longrightarrow \sf {460= 23x} \\$

$\longrightarrow \sf {\cancel{\dfrac{460}{23}} = x} \\$

$\longrightarrow \underline{\boxed{ \bf {20\; units = x}}} \\$

Therefore, length of the rectangle is 20 units.

5 0

4 years ago

Is this correct? Why or why not? 06 = 60%

WARRIOR [948]

0.6

you forgot the decimal point

60% move the decimal one time to the left

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Fittoniya [83]

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Equivalent amounts of money have the same value. True or False.

Vladimir [108]

Answer:

True

Step-by-step explanation:

Equivalent means Equal

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boyakko [2]

Answer:

yes

Step-by-step explanation:

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