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Salsk061 [2.6K]
3 years ago
12

Brandon is training for the 200-meter dash.His best running time was 31.25 seconds. If Brandon wants to run the dash in 27 secon

ds then about how much time must he cut in order to reach his goal.
Mathematics
1 answer:
Eduardwww [97]3 years ago
6 0
What is 31.25-27? That is your answer.
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18.<br> Place parentheses in the following equation to<br> make it true.<br> 4 + 5 x 3-8 = 19
Simora [160]

Answer:

4+(5×3) -8=19 that's what I got

6 0
3 years ago
The bakery is selling bagels at a cost of 6 for $7.50. at that rate, how much would 8 bagels cost?
alexira [117]
6:7.50=8:x
6x=7.50*8=60
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7 0
3 years ago
The ratio of vowels to Constance to a paragraph is 3:5 there are 280 letters in the paragraph how many are vowels how many are c
Bas_tet [7]

Answer:

280/8 = 35 "sets"

35*3 = 105 Constance

35*5 = 175 vowels

Step-by-step explanation:

8 0
3 years ago
line j is perpendicular to lines m and n. if the products of the slope of all three lines is -8, what is the slope of line j?
jeka94

Answer:

the slope of line j is -1/8, the slope of lines m and n are both 8.

Explanation step by step:

Suppose j is the slope of line j, m the slope of line m and n the slope of line n. Since:

1. line j is perpendicular of line m, so j*m= -1

2. J is perpendicular of line n, so  j*n=-1

3. m and n and parallel so m=n

As we want to know the slope of j we clear the equations presented to us in order to find it.

(1) m* n* j = -8, since n=m we have  n^{2}* j = -8.

we clear j; n^{2} * j = -8 \\ j =\frac{-8}{n^{2} }

replacing in the equation n*j = -1 we get

n*(-8/n^2) = -1. Thus n = 8. Since j = -1/n = -1/8.

7 0
3 years ago
Please tell me the answer I have been struggling. PS this is middle school math
sammy [17]

Answer:8

Step-by-step explanation

7 0
2 years ago
Read 2 more answers
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