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Artemon [7]
2 years ago
5

A car can travel 580 miles on a full tank of gas. With four new eco-tyres it

Mathematics
1 answer:
Gwar [14]2 years ago
5 0
The answer would be the old over the new so 580/620 so 0.9354 which you multiply by 100 to get percent which is 93% or 93.54%
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EASY POINTS AND PLEASE HELP ASAP!!! WILL MARK BRAINLIST! ;)
Evgesh-ka [11]

Step-by-step explanation:

1.

- 2(3x + 7) = 32 - 4x \\ distribute \\  - 2 \times 3x =  - 6x \\  - 2 \times 7 =  - 14 \\  - 6x - 14 = 32 - 4x \\ add \: 4x \: to \: both \: sides \\  - 6x + 4x = 32 - 4x + 4x \\  - 2x = 32 \\ divide \: by \:  - 2 \\   \frac{ - 2x}{ - 2}  =  \frac{32}{ - 2}  \\  \\ x =  - 16

2.

4x + y = 3 \\  y =  - 4x + 3 \\ using \: point \: slope \: form \\ y - y1 = m(x - x1) \\ y + 6 =  - 4(x + 4) \\ y + 6 =  - 4x - 16 \\ y =  - 4x - 22

First equation: Your equation is given.

Second equation: Distribute by multiplying every number in the parentheses by the number outside it.

3rd equation: Combine like terms by adding 4x to both sides.

4th equation: Combine like terms by subtracting 14 from both sides.

5th equation: Divide both sides by -2, the coefficient of x.

3 0
3 years ago
Urgent please help..
vampirchik [111]
Since the smaller one is 1/2 the size (as shown in the measurement on the bottom) I would divide the other area by 2 as well, so the answer is 12 I believe
7 0
3 years ago
Which of the following can x be equal to? –1 1 –2 3<br> plss help
Ierofanga [76]

Answer:

-2 I think hopefully that is right

3 0
4 years ago
Read 2 more answers
An author is having a book signing at a store. He agrees to give 5% of his profit to literacy programs and 15% of his profit to
nekit [7.7K]
You have to add 15% + 5 = 20%

2nd 20% of $200 is $40 that he gave away

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6 0
3 years ago
Which strategy could be used to solve 14 × 32? A. (14 × 3) + (14 × 2) = B. (14 + 3) + (14 + 2) = C. (4 × 32) + (10 × 32) = D. (4
sergey [27]
Hi there!

The answer is C.
14 × 32 = (4 × 32) + (10 × 32) = 128 + 320 = 448

In the first step we splitted 14 up into two different parts that are easily multipliable. These two parts are 4 and 10. She must multiply 32 first by 4 and then we must multiply 32 by 10. This way we multiplied it a total of 14 times, just as we should.
14 × 32 = (4 × 32) + (10 × 32)
8 0
3 years ago
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