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astra-53 [7]
3 years ago
6

Please help with this practice so I can study for my final I am stuggling bad! I will give brainiest for the correct answers!

Mathematics
2 answers:
emmainna [20.7K]3 years ago
6 0

Answer:

17.25

Step-by-step explanation:

WARRIOR [948]3 years ago
3 0

Answer:

1) 102

2) x = 31°; y = 6

3) m = 28°, n = 31°

4) x = 79°

Step-by-step explanation:

1) Angle ABD = 180 - 2(69) = 42

Angle DBC = 180/3 = 60

Angle ABC = 42 + 60 = 102

2) Angle ABC = 180 - 2(59) = 62

x = 62/2

x = 31°

ABD and CBD are congruent triangles so y = 6

3) 118 = m + 90

Exterior angle = sum of interior angles

m = 118 - 90 = 28°

n = (180-118)/2 = 31°

4) x = (180-22)/2 = 79°

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Which theorem is the following?
lord [1]

Answer:

Perpendicular bisector theorem

Step-by-step explanation:

The illustration of the theorem is:

If point B is a perpendicular bisector of Line AC and the length of AC is 10cm

Then

AB + BC = 10

Where

AB  = BC --- Perpendicular bisector

So, the equation becomes

AB + AB  =10

2AB  =10

AB = 5

Recall: AB  = BC

AB = BC = 5

7 0
2 years ago
Cherry pies cost $12 each. Apple pies cost $9 each. You sold 20 pies and brought in $198. How many apple pies did you sell? How
LuckyWell [14K]

Answer:

You sold 6 cherry pies and 14 apple pies.

Step-by-step explanation:

It's a system of equations problem.

12C + 9A = 198

A + C = 20

A = 20 - C

12C + 9(20 - C) = 198

12C + 180 - 9C = 198

3C + 180 = 198

3C = 18

C = 6

A + 6 = 20

A = 14

5 0
3 years ago
Read 2 more answers
Which set of x- and y-values represents a function
dolphi86 [110]
If Im correct I believe the answer is the last one
3 0
2 years ago
Ryan drove 480 miles and used 20 gallons of gas. How many miles did Ryan's car get per gallon? Write an equation that would solv
lisabon 2012 [21]

Answer:

24 miles per gallon

Step-by-step explanation:

Step one:

given data

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The miles per gallon

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Step two:

hence the equation that we used in solving the problem is stated as

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3 0
3 years ago
How much wrapping paper is needed to cover the gift box shown below?<br> SA = 2Lw + 2Lh + 2wh
Brrunno [24]

Answer:

528 square inches

Step-by-step explanation:

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= 2(160)+2(40)+2(64)

= 320 + 80 + 128

= 528 square inches

8 0
3 years ago
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