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Sergio [31]
3 years ago
8

Can anyone help me with these. Please help. 25 points and brainliest answer

Mathematics
1 answer:
denpristay [2]3 years ago
8 0
11 a. Since she runs 10km in one hour she runs 5km in half an hour and 25km in 2 and a half hours
11b. Since she runs 5 miles in one hour she runs 2.5 miles in half an hour and 12.5 mils in 2 and a half hours
11 c. Since 1.60934 kilometers = 1 mile, Clair ran the farther distance
12 a. 13.20/6 = 2.2 dollars for 1 bowl
12 b. 9/3 = 3 and if he got 3 sets of 3 free bowls he bought 24 pairs of glasses
12 c. If Malcom bought 24 pairs of glasses 24*1.80 = 43.2, so he spent 43.2 dollars on glasses
13 a. 6 to 4 or 6:4

 
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Which of the following is equivalent to 75/4 <br> A- 18 3/18<br> B- 18 3/4<br> C- 71<br> D- 79
sattari [20]
B.
4 goes into 75 18 times and has a remainder of 3, so it’s 18 3/4
5 0
3 years ago
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The length of a rectangle 1.6 times longer with the sum of width and length being 130 feet
Lena [83]
<span>Let  be the length, and  be the width.
If the length is 1.6 times the width, then

If the sum of the length and with (in feet) is 130, then
</span><span>Substituting in the equation above, the expression  for , we get
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3 years ago
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What is the slope<br> of the line in this graph?
jasenka [17]
5/7

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5 0
3 years ago
Factorization (3r^2-9r)(r+3)=0
melomori [17]

Answer:

r=-3, 3,0

factor -

3r(r-3) (r+3) ,

solution-

3r=0 , r=0

3r^2-9r =0

3r^2=9r

r=3,

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5 0
3 years ago
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Laura spent 78.5% of her paycheck on her mortgage payment. If her paycheck was $1562 how much was her mortgage?
torisob [31]

Answer:

$337.12

Step-by-step explanation:

Multiply $1562 by 78.5% (or 0.785) =1230.88

Then subtract the percent of her paycheck spent (1230.88) from the total of her paycheck(1562) to find out how much is missing(the mortgage payment)

1562-1230.88=337.12

5 0
3 years ago
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