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Nastasia [14]
3 years ago
12

Please help me with this

Mathematics
1 answer:
saul85 [17]3 years ago
3 0

Answer:

B,C,E (last one)

Step-by-step explanation:

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The length of a rectangle is 6 feet longer than its width. If the perimeter of the rectangle is 56 feet, find its length and wid
alexira [117]
2(6+x) + 2x=56
12+4x=56
-12       -12
4x=44
÷4   ÷4
x=11

The measure of the width is 11ft
and the measure of the length is:
11+6=17ft
6 0
3 years ago
FIND THE SLOPE of the line that passes through the points (1,-19) and (-2,-7). You do not need to write the whole equation
ra1l [238]

Answer:

Slope is -12

Step-by-step explanation:

change of y/change of x = -12

3 0
3 years ago
Read 2 more answers
The difference between the two numbers is 48. The ratio of the two numbers is 7:3. What are the two numbers?
OlgaM077 [116]

Let the bigger no. be X and the smaller no. be Y

X-Y=48

7-3=4

48÷4=12

X=12×7=84

Y=12×3=36

6 0
3 years ago
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The length of s is 2/3 the length of t. If s has an area of 368 cm squared find the perimeter of the figure
ser-zykov [4K]
s = \frac{2}{3}t
\\\ \frac{2}{3}t*t = \frac{2}{3}t^2
\\\ \frac{2}{3}t^2 = 368
\\\ t^2 = \frac {3}{2}368
\\\ t^2 = 552
\\\ t \approx 23.5
\\\ s \approx 15.6
\\\ P \approx 78.2
3 0
3 years ago
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devin began running a month ago to get back in shape.the first day he ran .5 miles. each day after that he ran 10% more than the
SpyIntel [72]
The formula for the sum of the a finite geometric series is this:
Sn = a((1-r^n) / (1-r))

The given values are:
n = 30
a = 0.5 mi
r = 1.10 (10% more each day)

S30 = 0.5 ((1-1.10^30) / (1-1.10))
S30 = 82.25 mi

After 30 days, he will have traveled 82.25 miles.
3 0
3 years ago
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