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love history [14]
3 years ago
8

Chris bought six pounds of apples for 10.80. How much would 15 pounds of apples cost at the same price per pound?

Mathematics
2 answers:
Zarrin [17]3 years ago
7 0
The answer would be $27
muminat3 years ago
6 0

Answer:

$27

Step-by-step explanation:

10.80/6=1.8

1.8×15= 27

the cost is $1.80 per pound

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Solve using system of equations by using elimination method for -5x+4y=2 ; 9x-4y=6
jek_recluse [69]

Answer:

y = 3

x = 2

Step-by-step explanation:

-5x + 4y = 2

9x - 4y = 6

Sum both eq.

-5x + 9x = 4x

+4y - 4y = 0

2 + 6 = 8

then:

4x + 0 = 8

4x = 8

x = 8/4

x = 2

from the first eq.

-5x + 4y = 2

-5*2 + 4y = 2

-10 + 4y = 2

4y = 2 + 10

4y = 12

y = 12/4

y = 3

Check:

from the second eq.

9x - 4y = 6

9*2 - 4*3 = 6

18 - 12 = 6

6 0
2 years ago
Two cars start from the same point driving in opposite directions. Both cars drive 6miles. One car stops, the other car makes a
dimaraw [331]

Answer:

  • <u>14.4 mile</u>²

Explanation:

1. By driving 6 miles each, the cars will be 6 miles + 6 miles = 12 miles appart.

2. When one car stops and the other car makes a 90° left-hand turn and drive 8 miles, you can model the situation with a right triangle, where one leg is 12 miles, the other leg is 8 miles, and the hypotenuse is the distance that separates the cars.

Hence, you must use Pythagoras to find that distance.

3. Pythagoras

  • hypotenuse² = leg₁² + leg₂²

  • hypotenuse = (12 mile)² + (8 mile)² = 144 mile² + 64 mile² = 208 mile²

  • hypotenuse=\sqrt{208mile^2}=14.4mile^2, which is rounded to the neartest tenth of a mile.
8 0
3 years ago
Help with #4!!! I’ve tried to figure it out but I can’t.
Virty [35]

Answer:

a

Step-by-step explanation:

all you do is divied the top then you take from

3 0
2 years ago
Read 2 more answers
How would you represent a rotation of 360 algebraically?
GenaCL600 [577]

Answer:It means turning around until you point in the same direction again. Other ways of saying it: "Doing a 360" means spinning around completely once (spinning around twice is a "720").

...

A full rotation is 360 degrees.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
PLEASE I NEED THIS NOW 50 POINTS
4vir4ik [10]
25g = r , i think.

I would give an explanation but you seem in a hurry! Have a good day and good luck!
6 0
3 years ago
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