2 years ago

I will mark brainiest is my answer is correct?

Mathematics

1 answer:

Alex Ar [27]2 years ago

5 0

Your answer is correct

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2x + 3 (x - 10) = 45 ?? A. X =15 B. X=3 C. X=7 D. X=11

mario62 [17]

Answer:

A. x = 15

Step-by-step explanation:

2x + 3 * (x - 10) = 45

2x + 3x - 30 = 45

5x - 30 = 45

5x = 75

x = 15

3 0

2 years ago

A group of tourists spend $168 to rent snorkels and find. A total of 10 snorkels and 12 pairs of fins are rented. Renting a snor

WITCHER [35]

Answer:

Cost to a rent a snorkel $=\$ 12$ , Cost on 10 rent snorkel $=\$ 120$

Step-by-step explanation:

Given,

Tourist spend on rent snorkel and fin= $\$ 168$

10 snorkel and 12 pairs of fin

Let the cost to rent a snorkel be = $\$$ x

and cost of a pair of fin is = $\$$ y

x=3y (given condition)

$10x+12y=168$

$10\times 3y+12y=168$

$30y+12y=168$

$42y=168$

$y=168/42$

$y=4$

Cost of a pair of fin= $y=\$ 4$

$x=3y$

$x=3\times 4$

$x=12$

Cost of rent a snorkel $=\$ 12$

Total cost of a rent snorkel

$=10\times 12$

= $\$ 168$

5 0

2 years ago

A passenger car will go 465 miles on 15.5 gallons of gasoline in city driving. What is the rate in miles per gallon? 10 pts

iren2701 [21]

Answer:

30 miles per gallon

Step-by-step explanation:

465 / 15.5 = 30

6 0

2 years ago

What is the perimeter of the rectangle? one side is 6in. and the A=30 sq in.

monitta

The perimeter of a rectangle can be found by dividing the area by one side.
30/6=5
Then, add the sides up and you get the perimeter.
5+5+6+6=22

The answer is 22 inches.

3 0

2 years ago

Read 2 more answers

$38.00. The family purchased 4 tickets. There was a $1.50 purchasing fee for each ticket. Write and solve an equation that can b

Blababa [14]

its 28.10 thats the answer

7 0

2 years ago