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2 years ago

Find the solution(s) for x in the equation below.

Mathematics

2 answers:

liraira [26]2 years ago

7 0

Answer:c

Step-by-step explanation:

Maru [420]2 years ago

6 0

The answer is C.) x = 7; x = -6

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Question 4 options:

andrew11 [14]

I. The value of x is equal to 8.

II. The dimensions of the rectangle are 13 and 5 inches respectively.

Given the following data:

Area of a rectangle = 65 square inches.

Length of rectangle = x + 5 inches

Width of rectangle = x - 3 inches

To find the value of x, and the dimensions of the rectangle:

Mathematically, the area of a rectangle is given by the formula:

$A = LW$

Substituting the values, we have:

$65 = (x+5)(x-3)\\\\65=x^2-3x+5x-15\\\\65=x^2+2x-15-65\\\\x^2 +2x-80=0\\\\x^2 +10x-8x-80=0\\\\x(x+10)-8(x+10)=0\\\\(x-8)(x+10)=0$

x = 8 or x = -10

For the length:

when x = 8

$Length = 8 +5$

Length = 13 inches.

For the width:

when x = 8

$Length = 8 -3$

Length = 5 inches.

Find more information: brainly.com/question/11037225

4 0

1 year ago

What expression can be used to convert 80 US dollars to australian dollars

Lana71 [14]

1 US dollar =1.31 Australian dollar
80 US dollar = x dollar
CrossMultiply
X = 140.8 dollar

6 0

2 years ago

the function y = 3.75 + 1.5(x - 1) can be used to determine the cost in dollars of x miles. What is the rate of change of the co

LenKa [72]

We are given

$y=3.75+1.5(x-1)$

where

y is the cost in dollars

x is distance in dollars

now, we can find derivative

$y'=\frac{d}{dx}\left(3.75+1.5\left(x-1\right)\right)$

$=\frac{d}{dx}\left(3.75\right)+\frac{d}{dx}\left(1.5\left(x-1\right)\right)$

$=0+1.5$

so,

$y'=0+1.5$

So,

the rate of change of the cost in dollars with respect to the number of miles is 1.5.........Answer

5 0

2 years ago

you correctly answered 2/3 of the questions on your history exam there were 75 questions on the exam how many questions did you

GaryK [48]

2/3 of 75 is 2/3 times 75, which is 50. Hope this helps. :D

8 0

2 years ago

There are 35 birds in a tree. Then 17 flew away. How many birds are tin the tree now. Regroup a ten.

alexira [117]

18 birds are left then regroup a ten 28 I hope it’ helps

4 0

2 years ago

Read 2 more answers