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DedPeter [7]
3 years ago
14

Please help I’ve been desperate I will give brainliest

Mathematics
1 answer:
grin007 [14]3 years ago
4 0

Answer:

102 degrees (problem #5)

Step-by-step explanation:

5. 78 = 1/2 ((360-x)-(x)) -->

156 = 360 - 2x -->

-204 = -2x -->

102 = x

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6^-3=? (Fraction form)
nlexa [21]
The answer to your question is the fraction 1/216
3 0
4 years ago
GEOMETRY NEED HELP ASAP WILL ASSIGN BRAINLIEST!!!
faust18 [17]
<span><u>Answer </u>
31.12 in

<u>Explanation </u>
To get the length required, lets first find angle mF,
mF = 180 – (43 + 62) =75o
Now we can use the sin rule to find length DE.
a/sin⁡A =b/sin⁡B Where a and b are the length opposite to angle A and B respectively.
DE/sin75=22/sin⁡43
DE=(22 sin⁡75)/sin⁡43
DE=31.12 in  
</span>
7 0
4 years ago
Read 2 more answers
2. If y varies inversely as x and<br> y = 3 when x = 5, find x when y = 2.5
4vir4ik [10]

Answer:

Step-by-step explanation:

From the law of variation,

y <> 1/x, where <> is the constant of proportionality. Therefore

y = k/x where k is a constant

3 = k/5 and k = 15

To find x when y = 2.5(5/2)

Go back to the second equation

y = k/x

5/2 = 15/x

When you cross multiply

5x = 30.

Divide through by 5,

x = 6.

8 0
4 years ago
Cole has a rectangular garden with an area of 16.02 square meters. What is the width, in meters, of the garden?
exis [7]

Answer:

3.56m

Step-by-step explanation:Parameters given:

Area of the rectangular garden = 16.02m^2

Length of the rectangular garden = 4.5m

The Area of a rectangle can be calculated for using the formula below

Area (square meters) = length (meters) × width (meters)

Therefore, 16.02m^2 = 4.5m × width

Width = 16.02m^2 / 4.5m

Width = 3.56m

Therefore the width in meters of the garden is 3.56m

See the attachment below for an illustrative diagram

A = area

l = length

w = width

8 0
3 years ago
Read 2 more answers
Simplify the expression<br>​
KonstantinChe [14]

Answer:

9/4

Step-by-step explanation:

5×|-2-7(3)|-2×17

5×|-2-21|-34

5×|-23|-34

5×23-34

115-34=81

22+sq rt(7×28) 28=4×7 sq rt= 2×2×7×7

22+2×7=22+14=36

81÷9/36÷9=9/4

7 0
3 years ago
Read 2 more answers
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