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satela [25.4K]
3 years ago
15

Solve the following equation. show work. x^2 + 10x = -25

Mathematics
1 answer:
SVEN [57.7K]3 years ago
6 0

Step-by-step explanation:

x^2 + 10x = -25

x^2 + 10x + 25 = 0

(x+5)^2=0

x=-5

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bulgar [2K]

Answer:

x = 40

m∠Q = 105°

m∠R = 40°

m∠P = 35°

Step-by-step explanation:

Sum of Angles in a Triangle: 180°

Step 1: Define variables

m∠Q = 2x + 25

m∠R = x

m∠P = x - 5

Step 2: Set up equation

m∠Q + m∠R + m∠P = 180°

2x + 25 + x + x - 5 = 180°

Step 3: Solve for <em>x</em>

4x + 20 = 180

4x = 160

x = 40

Step 4: Solve for measure angles.

m∠Q = 2x + 25

m∠Q = 2(40) + 25 = 80 + 25 = 105°

m∠R = x

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m∠P = x - 5

m∠P = 40 - 5 = 35°

6 0
3 years ago
What is (3xy^2)(-6xy^4)
krok68 [10]

Answer:

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Step-by-step explanation:

we have

(3xy^2)(-6xy^4)

Applying property of exponents

x^{m} x^{n}=x^{m+n}

(3xy^2)(-6xy^4)=(3)(-6)(x^{1+1})(y^{2+4})=(-18)(x^{2})(y^{6})=-18x^2y^6

5 0
4 years ago
There are 16 people at a meeting. Each person shakes hands with everyone
Ad libitum [116K]

Answer:

the answer to the question is 32

4 0
3 years ago
How do you get the answer for 10 millimeters increased by 30%
tiny-mole [99]
First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math...

"of" means ×
"is" means =

30% of 10 is
30 % × 10 =

change 30% to a decimal by dividing by 100 ( move the decimal to the left 2 places)

.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters
8 0
3 years ago
50 pointss for whomever helps me on this. Please and thank you.
Alika [10]
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4 0
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