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agasfer [191]
4 years ago
7

I need help with this please

Mathematics
1 answer:
Basile [38]4 years ago
8 0

let me get someone to help you

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What values of b satisfy 4(3b + 2)2 = 64?
Vikentia [17]
Given the equation 4(3b + 2)² = 64, dividing both sides of the equation by 4, we have (3b + 2)² = 16 and getting the square root of both sides, (3b + 2) = 4 and (3b + 2) = -4 We can solve for b for each equation and have 3b = 2 | 3b = -6 b = 2/3 | b = -2 Therefore, the values of b are 2/3 and -2 and from the choices, the answer is <span>A: b = 2/3 and b = -2.</span>
8 0
3 years ago
What is the inverse of function f? F(X) = square root of x +7
katrin2010 [14]

Answer: f^{-1} (x)=x^{2} -7

Step-by-step explanation:

To find the inverse of a function replace f(x) with x and the original x with y

f(x)=\sqrt{x+7} \\x=\sqrt{y+7}

Now we can solve for y

Square both sides so we can cancel out the root

x=\sqrt{y+7}\\x^{2} =\sqrt{y+7}^{2} \\x^{2} =y+7

Now subtract 7 from both sides

x^{2} =y+7\\x^{2} -7=y+7-7\\x^{2} -7=y

Now replace y with the inverse of f(x), f^{-1} (x)

6 0
3 years ago
Read 2 more answers
If 120% of a is equal to 80% of b, then what is the value of a b in terms of b
SOVA2 [1]
If you would like to know what is the value of a b in terms of b, you can calculate this using the following steps:

120% of a = 80% of b
120/100 * a = 80/100 * b     /*100
120 * a = 80 * b     /120
a = 80 / 120 * b
a = 2/3 * b

The correct result would be a = 2/3 * b.
3 0
4 years ago
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Help me plz <br>i ca t figure oit this slope equation
Bezzdna [24]
5 is the intercept.
Remember this y = m(x) +- b where b will always be the y-intercept
4 0
3 years ago
A square city block has a side length of 563 yards what is the perimeter of the block<br> Block
olga nikolaevna [1]

Answer:

The perimeter is 2252 yards.

Step-by-step explanation:

In a square all sides are equal.

Side = 563 yards

Perimeter = 563 x 4 = 2252 yards.

7 0
3 years ago
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