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lutik1710 [3]
3 years ago
7

He expression 5x − 3(2x − 4) is equivalent to the expression 12 − x. True False

Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0
I think is False ......
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A ski area has a high-speed lift that can move 2,400 skiers to the top of the mountain each hour. Write an expression describing
mihalych1998 [28]

Answer:

2,400h

Step-by-step explanation:

You multiply the amount of skiers per hour (2,400) by the amount of hours (h).

7 0
3 years ago
Find the perimeter of the polygon.
Kaylis [27]

Answer:

I think it's 150

Step-by-step explanation:

(8+7) × 10 = 150

8 0
3 years ago
In a Toy store, the ration of dolls to teddy bears is 9:3. If the store has 240 dolls, how many teddy bears are in the store
agasfer [191]

Answer:

80

Step-by-step explanation:

It means that there are a third part of teddy bears, so

240 / 3 = 80

8 0
3 years ago
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A mold professional uses an antimicrobial chemical in an attic to combat a colony of mold. If the initial number of mold spores
kykrilka [37]

It would take about 57 hours for the number of spores to be less than 500 spores.

<h3>Exponential Function</h3>

An exponential function is in the form:

y = abˣ

Where y,x are variables, a is the initial value of y and b is the multiplication factor.

Let y is the number of pores after x hours.

a = 6200, b = 100% - 20% = 0.8, hence to be less than 500 spores:

6200(0.8)^\frac{x}{5} < 500

(x/5) * ln(0.8) < ln(0.08)

x > 56.4 hours

It would take about 57 hours for the number of spores to be less than 500 spores.

Find out more on Exponential Function at: brainly.com/question/12940982

4 0
2 years ago
Distance be tween (5,-8) and (5,2) on the coordinate plane
fenix001 [56]

Answer:

10 is the distance

Step-by-step explanation:

d = square root (x2-x1)^2 + (y2-y1)^2

(5-5)^2 = 0

(2-(-8))^2 = 100

0 + 100 = 100

square root 100 = 10

3 0
3 years ago
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