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Oksana_A [137]
2 years ago
11

a scale drawing of a rectangular room measures 3 1/2 inches by 11/2 inches the scale is 1/4 inches the scale 1/4 inch = 2 feet c

arpeting cost $10 per square foot how much will it cost to buy enough carpenter to cover the floor of this room
Mathematics
2 answers:
Karolina [17]2 years ago
8 0

Answer:

1,120

Step-by-step explanation:

I don’t really know but it’s 1,120

8_murik_8 [283]2 years ago
4 0

Answer:

$1540

Step-by-step explanation:

3/2 x 11/2 = 19 1/4

19 times 4 to find how many 1/4s fit in 19 = 76

Add 1/4 = 77

77 x 2 = 154 feet

154 x 10 = $1540

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What are the constants in this expression?<br> -10.6+9\10+2\5m-2.4n+3m
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Triangle Q R S is shown. Angle Q R S is 100 degrees. The length of Q R is 2.4 and the length of Q S is 3.5. Law of sines: StartF
Orlov [11]

Answer:

StartFraction sine (100 degrees) Over 3.5 EndFraction = StartFraction sine (S) Over 2.4 EndFraction

in other words, A.

Step-by-step explanation:

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lyudmila [28]

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D

Step-by-step explanation:

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2 years ago
Use quadrilateral ABCD to find the value of x. The figure is not drawn to scale. Use the following dimensions: m⦨ABC = 4x◦, m⦨BC
OLEGan [10]

Answer/Step-by-step explanation:

Question 1:

Interior angles of quadrilateral ABCD are given as: m<ABC = 4x, m<BCD = 3x, m<CDA = 2x, m<DAB = 3x.

Since sum of the interior angles = (n - 2)180, therefore:

4x + 3x + 2x + 3x = (n - 2)180

n = 4, i.e. number of sides/interior angles.

Equation for finding x would be:

4x + 3x + 2x + 3x = (4 - 2)180

12x = (2)180

12x = 360

x = \frac{360}{12} (dividing each side by 12)

x = 30

Find the measures of the 4 interior angles by substituting the value of x = 30:

m<ABC = 4x

m<ABC = 4*30 = 120°

m<BCD = 3x

m<BCD = 3*30 = 90°

m<CDA = 2x

m<CDA = 2*30 = 60°

m<DAB = 3x

m<DAB = 3*30 = 90°

Question 2:

<CDA and <ADE are supplementary (angles on a straight line).

The sum of m<CDA and m<ADE equal 180°. To find m<ADE, subtract m<CDA from 180°.

m<ADE = 180° - m<CDA

m<ADE = 180° - 60° = 120°

6 0
3 years ago
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