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pogonyaev
3 years ago
12

susan solved 200-91 and decided to add her answer to 91 and check her work. Explain why this strategy works

Mathematics
1 answer:
horsena [70]3 years ago
3 0
This works because she added the number to she if she got right
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Trish's resting heart rate is 50 beats per minute. For every minute she exercises, her heart rate increases 5 beats per minute.
svlad2 [7]

Answer:

??

Step-by-step explanation:

6 0
3 years ago
What is the equation of the graphed line in point-slope form?
SSSSS [86.1K]
First, we find the slope
(4,0)(0,-3)
slope = (-3 - 0) / (0 - 4) = -3/-4 = 3/4

there can be 3 possible answers for this..
y - y1 = m(x - x1)
slope(m) = 3/4
using points (4,0)...x1 = 4 and y1 = 0
now we sub
y - 0 = 3/4(x - 4) <== this is one answer

y - y1 = m(x - x1)
slope(m) = 3/4
using points (0,-3)...x1 = 0 and y1 = -3
now we sub
y - (-3) = 3/4(x - 0) =
y + 3 = 3/4(x - 0) <== here is another answer

y - y1 = m(x - x1)
slope(m) = 3/4
using points (-4,-6)...x1 = -4 and y1 = -6
now we sub
y - (-6) = 3/4(x - (-4) =
y + 6 = 3/4(x + 4) <=== and here is another answer

5 0
3 years ago
544ml^2 is how many liters<br><br>show your work
ivolga24 [154]

Answer:

295.936

Step-by-step explanation:

First find out what 544^2 is.  That is 295,936.  There are 100 ml in 1 liter.  So divide 295,936 by 100 to see how many liters are in 295,936 ml.  

295,936÷100=295.936

7 0
3 years ago
What is the area of the triangle show above
ehidna [41]

Answer:

A = 64 units²

Step-by-step explanation:

A = 1/2bh

Step 1: Define

A = ?

b = 16 units

h = 8 units

Step 2: Substitute and Evaluate

A = 1/2(16 units)(8 units)

A = (8 units)(8 units)

A = 64 units²

4 0
3 years ago
The circumference of a circle is 9 pi.What is the area,in square inches,of a circle?Express your answer in terms of pi.
Alla [95]

Answer:

20.25π

Step-by-step explanation:

The circumference (C) of a circle is calculated using the formula

C = 2πr ← r is the radius

given C = 9π, then

2πr = 9π ( divide both sides by 2π )

r = \frac{9\pi }{2\pi } ( cancel the π on numerator/denominator )

  = 4.5

The area (A) of a circle is calculated using the formula

A = πr² = π × 4.5² = 20.25π

5 0
3 years ago
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