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Gnesinka [82]
3 years ago
15

Y = -7x + 8 Write in standard form

Mathematics
1 answer:
Scrat [10]3 years ago
3 0

Answer:

y = -7x + 8

Step-by-step explanation:

that is standard form because you can't simplify it.

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Which equation is equal to 4^ x+3=64
Tems11 [23]

Answer:

x=ln(61)/ln(4)

Step-by-step explanation:

4^x+3=64

4^x=64-3

4^x=61

x=ln(61)/ln(4)

4 0
3 years ago
30 increased by 3 times the square of a number
Mumz [18]
Assume the number is y

30 + 3(y x y), let say y is 2
30 + 3(2 x 2)
30 + 3(4)
30 + 12 = 42
4 0
3 years ago
David bought 30 shares of Amazon at the close price of $121.00. In a few years, David sells all of his shares at $143.50. How mu
Naddik [55]
30(143.50-121)

30(22.5)

$675.00
5 0
4 years ago
-2(3a-b)=c , what would you do if you were trying to isolate b
IrinaK [193]

Answer:

b=3a+\frac{c}{2}

Step-by-step explanation:

First, distribute the -2 to the rest of the parenthesis, following PEMDAS.

-2(3a-b)=c\\-6a+2b=c

Then, add -6a to both sides.

2b = 6a+c

Now, you can divide both sides by 2 to isolate b.

b=\frac{6a+c}{2}

Divide to simplify.

b=3a+\frac{c}{2}

3 0
2 years ago
What are the roots of the quadratic equation x2+2x=-5
stiks02 [169]

Answer:

x = -1 +/-2i

Step-by-step explanation:

Write the equation in standard form to find the roots, also known as the solutions, zeros, or x-intercepts, of the quadratic.

x² + 2x + 5 = 0

Use the quadratic formula by substituting a= 1, b = 2 and c = 5.

x = \frac{-2 +/- \sqrt{(-2)^2 - 4(1)(5)} }{2(1)} = \frac{-2 +/-\sqrt{4 -20 } }{2} = \frac{-2 +/-\sqrt{-16 } }{2} = \frac{-2 +/-4i }{2} = -1 +/-2i

5 0
4 years ago
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