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irinina [24]
2 years ago
13

A car can travel 580 miles on a full tank of gas. With four new eco-tires it can travel 630 miles. Find the percentage increase

the tires have made.
Mathematics
1 answer:
9966 [12]2 years ago
8 0

Answer:

Step-by-step explanation:

39.8, $51.00

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Which is the best definition of a square? A. a 4-sided polygon with all sides equal B. a parallelogram with all sides equal and
Veronika [31]
I would say B) A parallelogram with all sides equal and all angles equal. Parallelograms aren't all squares. They can be rectangles and rhombuses. I would say B. They all have the same lengths on all sides. They all have the same angles as well. Take a look at the pictures below. They are all parallelograms.  All sides are the same, and all angles are the same.

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3 years ago
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Could someone help me out with this math question
k0ka [10]

Answer:

y=3x+12

Step-by-step explanation:

x=month of the total length

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2 years ago
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Mr. and mrs.storey drive 3200 miles in all during their vacation. mr.storey drove 3 times as many miles as mrs.storey how many m
vaieri [72.5K]
This can be solve by establishing equations.
let x be the miles mrs. storey drove
y be the miles mr storey drovee
 
the first equation is
y = 3x

second equation
x + y = 3200
then substitute equation 1

x + 3x = 3200
4x = 3200
x = 800 miles mrs storey drove
y = 3x = 2400 miles mr storey drove
5 0
3 years ago
Estimate: 9,210 - 88<br> A)9100<br> B)8900<br> C)9000<br> D)9200
Romashka [77]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
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What is the solution of the system? Use the elimination method. 2x+y=20 6x?5y=12
Whitepunk [10]

Answer:

(22, - 24)

Step-by-step explanation:

Multiply the first equation by -5 to make the y's so you can add the up to zero.

-5(2x + y = 20)

-10x - 5y = -100  Add the second equation thn solve for x

<u> 6x + 5y = 12  </u>

-4x = -88  

x = 22

Plug 22 in for x in either equation

2x + y = 20

2 (22) + y = 20

44 + y = 20

y = -24

3 0
3 years ago
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