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puteri [66]
4 years ago
6

If 3x plus 2 equals 90 then what is the value of x

Mathematics
1 answer:
Firdavs [7]4 years ago
4 0

Hello!

3x+2=90

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓↓

First you had to subtract by 2 from both sides of the equation.

3x+2-2=90-2

Simplify

3x=88

Then you divide by 3 from both sides of the equation.

\frac{3x}{3}=\frac{88}{3}

Simplify it should be the correct answer.

x=\frac{88}{3}

Answer⇒⇒⇒⇒⇒x=88/3

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

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X^3-6x^2-7x+60=0 i need help
alexgriva [62]

Answer:

x= -3, 4 or 5

Step-by-step explanation:

if you factor out the expressions, they look like this:

(x+3)(x-4)(x-5) = 0

6 0
3 years ago
What does x equal in this problem? x/12 - 5 = -6
galben [10]

Answer:

x=-12

Step-by-step explanation:

Solve for  x by simplifying both sides of the equation, then isolating the variable.

4 0
3 years ago
Please help with these questions.
EastWind [94]

1. OK, we want csc A, which is 1/sin A.  When we have a right triangle whose hypotenuse is the square root of two times the side, we're where the Pythagoreans were twenty five hundred years ago when they realized the diagonal of the unit square was incommensurate with the side.

In other words we have an isoceles right triangle, 45 degree angles, a=b=14 and c=14 \sqrt{2}.  So \sin A = 1/\sqrt{2} so \csc A=\sqrt{2}, fourth choice.

2. AC adjacent to 23, C is a right angle because 23+67=90.  We have hypotenuse AB, so 

\cos A = \dfrac{AC}{AB} \quad \textrm{or} \quad AC=AB \cos A = 7.8 \cos 23, choice four.

3.  The cosine is adjacent over hypotenuse.

\cos A = 36/60 = 3/5

The sine is opposite over hypotenuse,

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First choice
3 0
4 years ago
A rectangle is 14 ft longer than its width. The perimeter is 88ft. Please help
nirvana33 [79]

Answer:

L=29ft

W=15ft

Step-by-step explanation:

Step one:

given

let the width be x

W=x

L= x+14

P= 88ft

perimeter= 2L+2W

so, substituting our data we have

88=2(x+14)+2x

88=2x+28+2x

collect like terms

88=4x+28

88-28=4x

60=4x

divide both sides by 4

x=60/4

x=15

Step two:

the dimensions are

the width is 15ft

the length= 15+14

L=29ft

8 0
3 years ago
Please help me with 22 and 24
ValentinkaMS [17]
22)
The formula for the area of a circle is:
π*radius^2

Input the information we already know:
π*5^2
Follow BEDMAS
π*25
=78.5398163
Since half of the circle is shaded, divide the area by 2
78.5398163/2
=39.2699081
The area of the shaded sector is 39.2699081 meters²



8 0
4 years ago
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