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yKpoI14uk [10]
3 years ago
14

After riding a bike for 20 min you burn 190 calories. If you ride the bike for 45 minutes how many calories will you burn? Use a

proportion to solve.
Mathematics
1 answer:
tangare [24]3 years ago
7 0
Multiple 20 times 45 and you get 900
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HELP I NEED HELP ASAP
notsponge [240]

Answer:

3w² + 10w +8 (C)

Step-by-step explanation:

A rectangle has a length that is 3 times its width, w, in inches. The width is increased by 2 inches, and the length is increased by 4 inches. Which expression represents the area of the larger rectangle?

First, remember that the length of the first rectangle is 3 * w, or 3w.

Now, onto the second rectangle.

The width is increased by 2, so it becomes w + 2

The length is increased by 4, so it becomes 3w +4.

Area is length times width, so the area is

(w + 2)(3w + 4)

Simplify.

3w*w + 4*w + 2*3w + 2*4 =

3w² + 4w + 6w +8

3w² + 10w + 8, or C

8 0
3 years ago
Please help finals are tomorrow
Bogdan [553]
ΔQTR and ΔSTP are similar triangles. The corresponding sides of similar triangles are the same length.
TR = PT
TS = QT

Input the algebraic expression to make an equation system
PT = TR
y = 2x - 1 <em>(first equation)</em>

TS = QT
6x + 13 = 5y
6x - 5y = -13  <span><em>(second equation)</em>

</span>Using subtitution method, subtitute y with 2x - 1 from first equation into the second equation, to find the value of x
6x - 5y = -13
6x - 5(2x - 1) = 13
6x - 10x + 5 = 13
-4x + 5 = 13
-4x = 13 - 5
-4x = 8
  x = 8/-4
  x = -2

Find y with subtituting x with -2 in the first equation
y = 2x - 1
y = 2(-2) - 1
y = -4 - 1
y = -5

Answer:
x = -2
y = -5
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3 years ago
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scZoUnD [109]

The answer is for part A) 50(1.07(a) )

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3 years ago
What is the quotient? 2y2-6y-20/4y+12
MrMuchimi

Answer:

last 4rd

Step-by-step explanation:

3 0
3 years ago
Write an expression that is equivalent to (3b+6) + 2
cluponka [151]
Since you're not multiplying, you can remove the parentheses.

3b+6+2

which gives you . ....

3b+8
3 0
3 years ago
Read 2 more answers
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