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skad [1K]
3 years ago
8

The first diagram is for question 2.

Mathematics
1 answer:
Mumz [18]3 years ago
7 0
The answer is A=68.142 inches

You have to add up all of the sides
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2x-y=-10 y=4 what is the solution
ratelena [41]

Answer:

(- 3, 4)

Step-by-step explanation:

given the 2 equations

2x - y = - 10 → (1)

y = 4 → (2)

Substitute y = 4 into (1) and solve for x

2x - 4 = - 10 ( add 4 to both sides )

2x = - 6 ( divide both sides by 2 )

x = - 3

solution is (- 3, 4 )


3 0
3 years ago
Question and answer choices are in the SS attached!!!! Pls help me! ty!
victus00 [196]

Answer:

B

Step-by-step explanation:

It's a right triangle, so the pythagorean theorem will be used a lot.

First, find the side length on the left.

25^2 = 7^2 + y

y = 24

Now, knowing that 7 - 3 = 4 (the smaller side length), I can use this theorem again to find x.

4^2 + 24^2 = x^2

x = \sqrt{592}

Just need to simplify it a little farther...

592 / 16 = 37, so B must be the answer.

3 0
3 years ago
A sequence is defined recursively using the formula f(n + 1) = –0.5 f(n) . If the first term of the sequence is 120, what is f(5
Svetllana [295]
7.5
f(1) = 120
f(2) = -60
f(3) = 30
f(4) = -15
f(5) = 7.5
6 0
4 years ago
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Find the value of y when x equals 11.<br><br> 7x - 9y = 23
Brrunno [24]

Answer:

y = 6

Step-by-step explanation:

Just plug 11 into x then flip - 9y and 23 by picking the opposite sign so + to - or - to +

6 0
3 years ago
What is equavalent to 3/9
Bogdan [553]
1/3 is equivalent to 3/9
4 0
3 years ago
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