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vovikov84 [41]
2 years ago
9

I need all 5 of them please

Mathematics
2 answers:
Mashutka [201]2 years ago
8 0

Answer:

8.88=4.44(x-7), x is 9.

5 (y + 2/5) = -13, y is -3.

-3x - 5 = 16, x is −7.

4.: Andre scored 14 points in the game.

24= 3a + 6, a is 6.

aliina [53]2 years ago
4 0
1.) 8.88= 4.44 (x -7)
8.88 = 4.44x - 31.08
+31.08 +31.08
39.96 = 4.44x
39.96 / 4.44x
9 = x
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a particular city had a population of 24,000 in 1900 and a population of 29,000 in 1920. Assuming that its population continues
DerKrebs [107]

Answer:

It will have a population of 61,779 in 2000.

Step-by-step explanation:

The population for the city, in t years after 1900, can be modeled by a exponential function with constant growth rate in the following format:

P(t) = P(0)(1+r)^{t}

In which P(0) is the population in 1900 and r is the growth rate.

Population of 24,000 in 1900

This means that P(0) = 24000

Population of 29,000 in 1920.

1920 is 1920 - 1900 = 20 years after 1900.

This means that P(20) = 29000. So

P(t) = P(0)(1+r)^{t}

29000 = 24000(1+r)^{20}

(1+r)^{20} = \frac{29000}{24000}

\sqrt[20]{(1+r)^{20}} = \sqrt[20]{\frac{29000}{24000}}

1 + r = 1.0095

So

P(t) = P(0)(1+r)^{t}

P(t) = 24000(1.0095)^{t}

What population will it have in 2000

2000 is 2000 - 1900 = 100 years after 1900. So this is P(100).

P(t) = 24000(1.0095)^{t}

P(100) = 24000(1.0095)^{100} = 61779

It will have a population of 61,779 in 2000.

4 0
3 years ago
Mark has some candy bars that he wants to give away. He is going to give each person 28 of a bar, and he has 4 bars to give away
Snowcat [4.5K]

Answer:

7 people

Step-by-step explanation:

6 0
2 years ago
What is the solution set for 7x−3=18 , given the replacement set {0, 1, 2, 3, 4} ?
never [62]

Answer: the answer is c


Step-by-step explanation: 7x=18+3

                                             7x=21

                                             x/7=21/7

                                             x=3


7 0
3 years ago
Read 2 more answers
Choose the equivalent expression for 13(15m+3b−21).
Effectus [21]

Answer:

5m + b -7

Step-by-step explanation:

15m + 3b -21 can be simplified to 5m + b -7 by dividing 3

7 0
3 years ago
There are 24 men, 60 women, and 44 children on a bus. Write the ratio men:women:children in simplest form?
rodikova [14]

Answer:

6      :  15       : 11

Step-by-step explanation:

men:women:children

24  :  60        : 44

Divide each part by 4

24/4  :  60/4     : 44/4

6      :  15       : 11

6 0
3 years ago
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