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harkovskaia [24]
3 years ago
9

Need help asap!! close to running out of time to turn this in!

Mathematics
1 answer:
poizon [28]3 years ago
7 0
You’re answer could be either the first or last one
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Kim rode her bike 135 miles in 9 weeks riding the same distance each week. Eric rode his bike 102 miles in 6 weeks the same dist
pentagon [3]
Kim = 135/9 = 15 miles per week
Eric = 102/6 = 17 miles per week

Eric rode more.

5 0
3 years ago
Find the value of X<br> (5x+4)°+(8x-71)°
NikAS [45]

Answer:

x = -4/5

Step-by-step explanation:

Solve for x:

(5 x + 4) (8 x - 71) = 0

Split into two equations:

5 x + 4 = 0 or 8 x - 71 = 0

Subtract 4 from both sides:

5 x = -4 or 8 x - 71 = 0

Divide both sides by 5:

x = -4/5 or 8 x - 71 = 0

Add 71 to both sides:

x = -4/5 or 8 x = 71

Divide both sides by 8:

Answer:  x = -4/5 or x = 71/8

5 0
3 years ago
The solution of this equation has an error. Which of the following steps has the error? 18 − (3x + 5) = 8
Margarita [4]

Answer:

Step 1

Because the number in front of the bracket is 1 and it is also affected by the negative sign(-),5 is supposed to be negative not positive because (negative by positive is negative)

And since the first step has an error in it,the remaining steps would also be wrong.

3 0
3 years ago
Latasha is a waitress at Seventh Heaven Hamburgers. She wants to estimate the mean amount each group at a table leaves for a tip
elena55 [62]
Forgive me if this is wrong. I haven't done stat in a year, but comment if you need clarification!

3 0
3 years ago
Show all work to factor x^4 − 5x^2 + 4 completely.
Mademuasel [1]

Answer:

(x+1) (x-1) (x+2) (x-2)

Step-by-step explanation:

<u>Let u = x^2</u>

= u^2 - 5u + 4

<u>(Factor u^2 - 5u + 4)</u>

= (u-1) (u-4)

<u>Substitute back u = x^2</u>

= (x^2 -1 ) (x^2 - 4)

<u>Factor x^2 - 1 and x^2 -4</u>

= (x+1) (x-1) (x+2) (x-2)

Hope this helped... :)

If you need to see the work for yourself, copy/paste this link

https://www.symbolab.com/solver/factor-calculator/factor%20x%5E%7B4%7D%20%E2%88%92%205x%5E%7B2%7D%20%2B%204%20

3 0
3 years ago
Read 2 more answers
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