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gulaghasi [49]
2 years ago
13

The area of a rectangle is 58 in². The base is 8 inches long. What is the height

Mathematics
1 answer:
ycow [4]2 years ago
3 0

Answer:

7.25 inches

Step-by-step explanation:

formula for the area of a rectangle:

base × perpendicular height

inputting what we have:

8 × height = 58

divide both sides by 8

58/8=7.25

height=7.25 inches

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Justin weighs 15 pounds less than Greg weighs. Half of Greg’s weight is 75 pounds less than Justin’s weight. How much does each
liubo4ka [24]

Answer:

C. Greg weighs 180 pounds, and Justin weighs 165 pounds

Step-by-step explanation:

let G be the weight of Greg and J be the weight of Justin

G -15=J

G/2 +75=J

G =J+15       (1)

G+150=2J.  (2)

If We substitute G by J+15 in equation (2) we will get:

G =J+15

J+15+150=2J

G =J+15

J+15+150=2J

G =J+15

J+165=2J

then J=165 and G=165+15=180

6 0
3 years ago
(X^4-81)/x^3+3x^2+9x+27
Iteru [2.4K]

Answer:

x-3

Step-by-step explanation:

(x^2-9)(x^2-9)/x^2*(x+3)+9(x+3)

(x+3)*(x^2+9)/(x+3)*(x^2+9) cross multiply

(x^2+9)*(x+3)/(x^2+9) cross multiply

x+3 final anser

6 0
3 years ago
What are the solutions to the equation (x – 6)(x + 8) = 0?
VikaD [51]

Answer:

x=6, x=-8

Step-by-step explanation: i used the symbolab calculator online to solve this.

3 0
3 years ago
Read 2 more answers
HELP ME WITH MATHHHHH ILL GIVE YOU BRAINLIEST
Alla [95]

Answer:

  -3, 1, 4 are the x-intercepts

Step-by-step explanation:

The remainder theorem tells you that dividing a polynomial f(x) by (x-a) will result in a remainder that is the value of f(a). That remainder will be zero when (x-a) is a factor of f(x).

In terms of finding x-intercepts, this means we can reduce the degree of the polynomial by factoring out the factor (x-a) we found when we find a value of "a" that makes f(a) = 0.

__

For the given polynomial, we notice that the sum of the coefficients is zero:

  1 -2 -11 +12 = 0

This means that x=1 is a zero of the polynomial, and we have found the first x-intercept point we can plot on the given number line.

Using synthetic division to find the quotient (and remainder) from division by (x-1), we see that ...

  f(x) = (x -1)(x² -x -12)

We know a couple of factors of 12 that differ by 1 are 3 and 4, so we suspect the quadratic factor above can be factored to give ...

  f(x) = (x -1)(x -4)(x +3)

Synthetic division confirms that the remainder from division by (x -4) is zero, so x=4 is another x-intercept. The result of the synthetic division confirms that x=-3 is the remaining x-intercept.

The x-intercepts of f(x) are -3, 1, 4. These are the points you want to plot on your number line.

5 0
3 years ago
Find the equation who’s roots are (3,0) and (2-5i, 0)
Lana71 [14]
3,0 x 2-5i, 0 = ___ 9i
5 0
3 years ago
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