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soldi70 [24.7K]
2 years ago
13

The scale of a blueprint is 3 inches : 10 feet. On the blueprint, a house is 9 inches

Mathematics
1 answer:
RUDIKE [14]2 years ago
4 0

Answer:

30/5=68x6=48 feet

Step-by-step explanation:

divide the demesions

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Answer:

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Step-by-step explanation:

First we combine your first set of terms,

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There's a subtraction hidden in there!

9b^2 - 3b^2 = 6b^2

Next we do the same thing for the second term,

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but there's a subtraction in the expression!

10b - b = 9b

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Answer:

6b^2 + 9b + 11

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3 years ago
10. 10. If AB bisects CAF, and m&lt;EAF = 72°,<br>then the m&lt;BAF =​
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The measure of ∠BAF is 54°.

Solution:

DF and CE are intersecting lines.

m∠EAF = 72° and AB bisects ∠CAF.

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Vertical angle theorem:

<em>If two lines are intersecting, then vertically opposite angles are congruent.</em>

∠DAC ≅ ∠EAF

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<em>Sum of the adjacent angles in a straight line = 180°</em>

m∠DAE + m∠EAF = 180°

m∠DAE + 72° = 180°

Subtract 72° from both sides.

m∠DAE = 108°

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⇒ m∠CAF = m∠DAE

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AB bisects ∠CAF means ∠CAB = ∠BAF

m∠CAB + m∠BAF = 108°

m∠BAF + m∠BAF = 108°

2 m∠BAF = 108°

Divide by 2 on both sides, we get

m∠BAF = 54°

Hence the measure of ∠BAF is 54°.

4 0
3 years ago
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