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Flauer [41]
3 years ago
7

How to find the variables of the angles

Mathematics
1 answer:
34kurt3 years ago
8 0

Answer:

y=23

x=28

Step-by-step explanation:

3y=2x+13

8y-4=180

basic algebra, solve 2nd equation then substitute

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Write 625 using exponents in as many ways as you can?
Arlecino [84]

Answer:

See below

Step-by-step explanation:

625 = 25^2, or (5^2)^2 = 5^4

8 0
3 years ago
Read 2 more answers
1. 1) Simplify the following expression: 5b - 5 - 12b - 7​
Elodia [21]

Answer:

17b - 2

Step-by-step explanation:

5b - 5 - 12b - 7

Say bye to the 12b, and add 12 to it and the 5.

5b + 12 = 17b

17b - 5 - 7

Add 5 to the 5 and the -7.

-7 + 5 = -2.

Now you have 17b - 2. You can’t go farther, so there’s your answer.

8 0
3 years ago
Read 2 more answers
Two vertical posts stand side by side. One post is 8 feet tall and the other is 17 feet tall. If a 24 foot wire is stretched bet
lianna [129]

Answer:

The distance between the posts is 3\sqrt{55} feet.

Step-by-step explanation:

In the attached figure, let DB and AC be the posts and let AD be the wire attached to the top of the posts.

BC is the distance between the posts and we need to find BC.

Note that BC = DE

Also, EC = DB = 8m and AE = AC - EC = 17 - 8 = 9 m.

Now, in the right triangle ADE,

AD^{2} =AE^{2} +DE^{2}

24^{2} =9^{2} +DE^{2}

DE^{2} =24^{2} -9^{2}

= (24+9) (24-9)

= 33(15)

= (3 × 11) × (3 × 5)

DE=3\sqrt{55}

Since DE = BC,

BC=3\sqrt{55}

Hence, the distance between the posts is 3\sqrt{55} feet.



7 0
3 years ago
Mr. Harris is adding tiles to his patio area. On Monday, he tiled
goblinko [34]

Answer:

The Answer is D

Step-by-step explanation:

there u go

8 0
3 years ago
1. If two polygons are SIMILAR, then the corresponding angles must be _____.
vodomira [7]

Answer:

1. If two polygons are SIMILAR, then the corresponding angles must be are congruent and corresponding sides are proportional

2.If two polygons are SIMILAR, then the corresponding sides must be proportional

3.The composition of two (or more) isometries is always an isometry

4. A rectangle has a length of 9 mm. A similar rectangle is drawn using a scale of 1:3. What is the length of the second rectangle?

3

Step-by-step explanation:

two polygons are similar if corresponding angles are congruent and corresponding sides are proportional

If two polygons are SIMILAR, then the corresponding sides must be proportional

The composition of two (or more) isometries is always an isometry

4. A rectangle has a length of 9 mm. A similar rectangle is drawn using a scale of 1:3. What is the length of the second rectangle?

9/1 = 1/3 so 9/3 = 3

7 0
3 years ago
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