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Lynna [10]
3 years ago
14

The total distance jim traveled on his bicycle during a 5 hour period is shown in the graph below.

Mathematics
1 answer:
Nonamiya [84]3 years ago
4 0

Answer:

100 miles

Step-by-step explanation:

go on the 5 and look up and see how far.

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25/4=x/10 <br>please help thanks
Marta_Voda [28]

Answer:

125/2 or 62.5 or 62 1/2 (x=)

Step-by-step explanation:

25/4=x/10  multiply everything by 20

25*20/4=20x/10 simplify

25*5=2x simplify

125=2x divide on both sides

125/2 or 62.5 or 62 1/2=x

7 0
3 years ago
−2x=x2−6 Rewrite the equation by completing the square.
V125BC [204]

Answer:

(x + 1)² = 7

Step-by-step explanation:

Given:

-2x = x² - 6

We'll start by rearranging it to solve for zero:

x² + 2x - 6 = 0

The first term is already a perfect square so that's fine.  Normally, if that term had a non-square coefficient, you would need to multiply all terms a value that would change that constant to a perfect square.

Because it's already square (1), we can simply move to the next step, separating the -6 into a value that can be doubled to give us the 2, the coefficient of the second term.  That value will of course be 1, giving us:

x² + 2x + 1 - 1 - 6 = 0

Now can group our perfect square on the left and our constants on the right:

x² + 2x + 1 - 7= 0

x² + 2x + 1 = 7

(x + 1)² = 7

To check our answer, we can solve for x:

x + 1 = ± √7

x = -1 ± √7

x ≈ 1.65, -3.65

Let's try one of those in the original equation:

-2x = x² - 6

-2(1.65) = 1.65² - 6

- 3.3 = 2.72 - 6

-3.3 = -3.28

Good.  Given our rounding that difference of 2/100 is acceptable, so the answer is correct.

6 0
3 years ago
Which of the expressions are equivalent to the one below? Check all that<br> apply.<br> 3 x (7+2)
faust18 [17]
3 x (7+2) all you have to do is add 7+2 and that is 9 and then you have to multiply 3 x 9
3 0
3 years ago
Geometry need help answering
Dmitry_Shevchenko [17]
Answer:

GI is supplementary, Given
KH =JH , given
Midpoint

Couldnt see how many boxes u needed but this should help good luck
8 0
3 years ago
6) What is 49/10 as a mixed number? *
Artist 52 [7]

Step-by-step explanation:

Maybe it should be written as 4 9/10

In a mixed number

8 0
3 years ago
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