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Mathematics

1 answer:

vodka [1.7K]4 years ago

7 0

Answer:

Step-by-step explanation:

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Catherine used the two points and the right triangle shown to find the slope of the line Catherine found the slope to be 1/10. I

blagie [28]

Answer:

Catherine is not correct (see the explanation)

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

the two points from the graph are

(4,40) and (7,70)

substitute the values in the formula

$m=\frac{70-40}{7-4}\\m=\frac{30}{3}\\m=10$

therefore

Catherine is not correct

4 0

3 years ago

A 6-foot pine tree was planted and grew 2 feet each year Write an algebraic expression for the height after y years?

gladu [14]

6+2y, since the tree is already 6 feet, it grows 2 feet per year so you add 2 feet to the 6 feet every year

6 0

4 years ago

WILL GIVE BRAINLIEST IF RIGHT how do you find the growth factor of a graph

notsponge [240]

Answer:

The growth "rate" (r) is determined as b = 1 + r.

Step-by-step explanation:

A growth factor is the factor by which a quantity multiplies itself over time. When trying to find the growth rate, you have to remember that the original exponential formula was y = ab^x. You will notice that in these new growth and decay functions, the b value (growth factor) has been replaced either by (1 + r) or by (1 - r). The growth "rate" (r) is determined as b = 1 + r.

Please mark me the brainliest!?!

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3 years ago

Tina practiced piano for 15 hours last month and 45 hours this month. Use multiplication to write a statement comparing the hour

Pani-rosa [81]

Answer: Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3 =45 hours.

Step-by-step explanation:

Given : Duration of Tina practiced piano last month= 15 hours

Duration of Tina practiced piano this month= 45 hours

We can see 45 is a multiple of 15 such that $45=15\times3$