3 years ago

The answer this problem is 15 it’s the correct answer

Mathematics

1 answer:

BartSMP [9]3 years ago

4 0

Is there any other question that you have??? (preferably one that could be answered)

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What is the solution of the system? Use substitution.

Natalka [10]

Substitute y
3(6x+2)-18x=12
18x+12-18x=12
18x-18x=0
0=0
Solution: Infinitely many solutions
Hoped this helped!

8 0

4 years ago

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Given F(x) =3x^2 - 4 and F(a) = 8 find a

Bogdan [553]

$F(x)=3x^2-4\\\\F(a)=8\to3a^2-4=8\qquad\text{add 4 to both sides}\\\\3a^2=12\qquad\text{divide both sides by 3}\\\\a^2=4\to a=\pm\sqrt4\to a=\pm2\\\\Answer:\ \boxed{A.\ \pm2}$

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3 years ago

A guy wire makes a 67° angle with the ground. Walking out 32 feet further from the tower, the angle of elevation to the top of t

kirill [66]

Answer:

20.9 feet

Step-by-step explanation:

The figure attached below can be formed through the information given.

Step 1: Find angle y

All angles of a triangle are equal to 180°

67 + 39 + y = 180

y = 74°

Step 2: Use sin formula to find H

a/sin a = b/sin b

32/sin 74 = b/sin 39

b = 20.9 feet.

The height of the tower is 20.9 feet.

4 0

3 years ago

Graph both functions to find the solution(s) to the system.

konstantin123 [22]

graphed it with desmos (free as app and website).

the solutions are in the screenshot

(1, 3)

(3, 7)

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3 years ago

A $300 suit is marked down by 20%. Find the sale price rounded to the nearest dollar.

Debora [2.8K]

Answer:

240 is the mark down.

Step-by-step explanation:

1 - .20 = 0.8

0.8 x 300 = 240

6 0

3 years ago

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