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drek231 [11]
3 years ago
8

10 POINTS !! Need done now!!

Mathematics
1 answer:
Softa [21]3 years ago
6 0
Each interior angle in a square is 90 degrees so:
4t + 20 = 90
4t = 70
t = 17.5

7f + 6 = 90
7f = 84
f = 12
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A rectangle has a length five more than twice the width. If the perimeter is 22 units find the width and length
PtichkaEL [24]

Set the following: Length = L    Width = W

The length is twice the width:    L = 2*W     or:  W = L/2

Perimeter: P = 60ft = 2*L + 2*W

Substituting L for W in the perimeter equation gives:

P = 60ft = 2*L + 2*(L/2) = 2*L + L = 3L

L = 60ft/3 = 20ft    W=L/2=20ft/2=10ft

Verify result:  Perimeter= P = 60ft = 2L + 2W = 2*20ft +2*10ft = 40ft+20ft = 60ft

The area of the rectangular is: Area = A = Length*Width = L*W = 20ft*10ft = 200 (ft)^2

-Rosie

3 0
3 years ago
What is 0.316 in expanded form.
RUDIKE [14]
Uhm, I'm pretty new to expanded form but I think it's something like:
(3 × 1/10) + (1 × 1/100) + (6 × 1/1000)
You can also write it as:
0.3 + 0.01 + 0.006
Let me know if you need working or anything!
7 0
3 years ago
Read 2 more answers
Of the choices below, what is the best estimate of the speed of the milk van?
galben [10]

Answer:

A. 77 kilometers per hour

Step-by-step explanation:

Speeds of vehicles are normally calculated in kilometers per hour, meters per hour is too small the measurement and millimeters is even smaller.

7 0
3 years ago
Compared to a model of 9/12 , a model of 3/4 will show -------------(A)3 Times as many B)1/3 times as many D)The same number of)
aleksandrvk [35]

9514 1404 393

Answer:

  B, B

Step-by-step explanation:

A model of 9/12 will have 12 parts, 9 of which are shaded.

A model of 3/4 will have 4 parts (1/3 as many), 3 of which are shaded. Each part of this model will correspond to 3 parts of the 9/12 model. Hence, each part is 3 times the size of a part in the 9/12 model.

  B) 1/3 times as many

  B) 3 times the size

4 0
2 years ago
A local nonprofit organization is selling popcorn to raise money for hurricane relief. The organization paid $4 per bag for the
Bezzdna [24]
Percent markup is 125% sorry if I’m wrong
5 0
3 years ago
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