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katovenus [111]
3 years ago
5

Correct answer gets brainliest

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0

Answer:

<em>B. 9 < 7 or x > 16.</em>

Step-by-step explanation:

<em>I had the same question and the answer was B.</em>

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X=a-2by(2) make y the subject
sladkih [1.3K]

Answer:

y = √{(a - x)/2b}

Step-by-step explanation:

x=a-2by²

2by² = a - x

divide through by 2b

y² = (a - x)/2b

y = √{(a - x)/2b}

3 0
3 years ago
Find the length of the third side to the nearest tenth.
Aliun [14]

Answer:

5.3

Step-by-step explanation:

You use the Pythagoras theorem which is a^2+b^2=c^2.

Since you're solving for a side length that's not the hypotenuse you will manipulate the equation to c^2-a^2=b^2. From here you just plug in numbers.

8^2 - 6^2 = b^2

64 - 36 = b^2

b = sqrt(28)

b = 5.2915.... = 5.3

8 0
3 years ago
(( I will give 25 points and brainy from right answers (Please answer all!!) )
sleet_krkn [62]
1. C. Concave pentagon

2. A. 1620°

b/c (11 - 2) × 180 = 1620

3. B. 165°

b/c (24 - 2) × 180 ÷ 24 = 165

4. A. 160°

b/c (18 - 2) × 180 ÷ 18 = 160
6 0
3 years ago
Jack has two square based pyramids that are the same size.he stick the square faces togather to make a new 3-d shape.how many fa
RideAnS [48]
I think it's
8faces and 6edges?
6 0
3 years ago
What is −5+(−5r)+10 =-5r+5
VikaD [51]

Answer:

Infinitely many solutions. Each real number is a solution of this equation.

Step-by-step explanation:

-5 + (-5r) + 10 = -5r + 5

5 - 5r = -5r + 5       <em>add 5r to both sides</em>

5 = 5   TRUE

7 0
3 years ago
Read 2 more answers
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