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GenaCL600 [577]
4 years ago
7

Complete the solution of the equation find the value of y when x equals 1 9x + 7y=-12

Mathematics
1 answer:
grandymaker [24]4 years ago
5 0

-3 i hope this helps enjoy

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Plaz..mmnj k,mnmnm 1
maxonik [38]

Answer:

Option 1

Step-by-step explanation:

3x - 7y = -7y + 3x

They have simply been moved to opposite ends of the equation.

6 0
3 years ago
How would you find the zero of f (x)=16x^4 - 9x^2
krok68 [10]
f (x) = 16x ^ 4 - 9x ^ 2 \\ \\16x ^ 4 - 9x ^ 2=0\\ \\x^2(16x^2-9)=0 \\ \\x^2 =0 \ \ or \ \ 16x^2-9=0\\ \\ x=0 \ \ or \ \ (4x-3)(4x+3)=0\\ \\ x=0 \ \ or \ \  4x-3=0 \ \ or \ \ 4x+3 =0\\ \\x=0 \ \ or \ \  4x=3 \ \ / :4 \ \ or \ \ 4x=-3\ \ / :4 \\ \\ x=0 \ \ or \ \   x=\frac{3}{4} \ \ or \ \  x=-\frac{3}{4}
3 0
3 years ago
Read 2 more answers
Pete will buy a computer priced at $564.20. He will use a coupon 15% off. What will be the sale price of the computer before tax
zepelin [54]

Answer:

I would say C

Step-by-step explanation:

Sorry If I am Wrong.

7 0
3 years ago
Read 2 more answers
Ruby wants to estimate the height of a streetlamp post on her block. She stands a certain
ira [324]

Answer: The height of street  would be 3.26 feet.

Step-by-step explanation:

Since we have given that

Angle of elevation = 71°

Distance traveled = 12 feet

Angle of elevation becomes 46°.

So, the height of the street lamp post would be

h=\dfrac{d}{\cot 46^\circ-\cot 71^\circ}\\\\h=\dfrac{12}{0.965-0.344}\\\\h=\dfrac{12}{0.620}\\\\h=3.26\ feet

Hence, the height of street  would be 3.26 feet.

6 0
3 years ago
Can someone help me please
djverab [1.8K]
Answer: 6 teams

Step by step:

3 people=1 group

3+3=6

6 people taken out of 18

2 groups already

3+6=9

9 out of 18 people taken

3 groups made

9+3=12

12 out of 18 people taken

4 groups made

12+3=15

15 out of 18 people taken

5 groups made

15+3=18

18 out of 18 people taken

Answer: 6 groups made

Short step by step:

18 divided by 3 equals 6

Or

3 times 6 equals 18

I really hope that made sense
8 0
2 years ago
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