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Inessa [10]
3 years ago
10

Solve for x. Show your work. 5(x + 2) = 3x - 16

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
7 0

Answer:

x=-13

Step-by-step explanation:

5(x + 2) = 3x - 16

5x+10-10=3x-16-10

5x-3x=3x-3x-26

2x/2=-26/2

x=-13

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Please help i will give brainliest
inysia [295]

Answer:

Step-by-step explanation:

Take the area of the yard and subtract from it the area of the pool.  In quadratic form, the area of the pool is

2x^2-x-28

Subtracting the area of the pool from the area of the yard:

3x^2-14x-5-(2x^2-x-28)

Since the negative in front of the parenthesis will change the signs inside:

3x^2-14x-5-2x^2+x+28

Combine like terms to get the area left after the pool goes in:

x^2-13x+23

8 0
3 years ago
For two consecutive numbers, five times the number that is less is 3 more than 4 times the greater number, What are the numbers
Gemiola [76]

Answer:

smaller number - 7

greater number - 8

Step-by-step explanation:

let a = smaller number

a + 1 = greater number

the following equation can be derived from the question

(5 x a) = 3 + 4(a + 1)

5a = 3 + 4a + 4

5a = 7 + 4a

5a - 4a = 7

a = 7 = smaller number

a + 1 = 7 + 1 = 8 = greater number

5 0
2 years ago
Sam decided that he is going to start biking to work as much as possible. After 4 days of work Sam has
mr_godi [17]

Answer:

<u>Proportion:</u>

<u>4/15 = 20/75</u>

<u>Sam will bike 37.5 km after 10 days.</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

4/15 = 20/75

b. Solve for the amount of km in part (a).

Let's use the proportion, this way:

20/75 = 10/x

20x = 75 * 10

20x = 750

x = 750/20

x = 37.5

<u>Sam will bike 37.5 km after 10 days.</u>

4 0
3 years ago
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Neporo4naja [7]

Answer:

The answer is D

3(x+4)(x-i)(x+i)(x-2)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Mr. Williams is painting only the back of his barn. A gallon of paint covers 70 square feet. How many square feet will Mr. Willi
egoroff_w [7]

Answer:

216 ft

Step-by-step explanation:

area of a rectangle is L(ength) * W(idth)

L=12 W=18

12 * 18 = 216

6 0
3 years ago
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