3 years ago

Someone help me with these :( hurry pls

Mathematics

1 answer:

Leto [7]3 years ago

4 0

Answer:

1) "fake numbers" do not exist but there are irrational numbers

2) We have negative numbers to help us understand the number system better. We need negative numbers in graphing.

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PLEASE HURRY In order to solve the system of equations below, Juana multiplies each equation by a constant to eliminate the y te

Doss [256]

Answer:

16x -12y = 4

15x +12y = 27

Step-by-step explanation:

4x-3y = 1

5x+4y=9

Multiply the first equation by 4

16x -12y = 4

Multiply the second equation by 3

15x +12y = 27

7 0

3 years ago

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A town’s population went from 35,000 to 42,000 in 3 years. What was the percent of change?

dolphi86 [110]

Answer:

The population changed by 20% in 3 years

Step-by-step explanation:

The percentage change, is given by the following equation;

$Percentage \ change = \dfrac{Final \ value - Initial \value }{Initial \ value} \times 100$

The given parameters are;

The initial population of the town = 35,000

The final population of the town = 42,000

The percentage change in the population is therefore;

$Percentage \ change \ in \ population= \dfrac{42,000 - 35,000 }{35,000} \times 100 = 20 \%$

The population changed (increase) by 20% in 3 years.

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3 years ago

Find a number whose product with 7 is the same as its sum with 18

SSSSS [86.1K]

7 + 18 = 25
25 ÷ 7 = 3.5714285714285714285

so 3.5714285714285714285 is the answer

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3 years ago

PLEASE HELP ME<br> Use the function below to find f(2).<br><br> f(x) = 1/3 x 4^x

Anna71 [15]

f(2) This means that x is 2, so you plug in 2 for x in the equation

$f(x)=\frac{1}{3} (4^x)$

$f(2)=\frac{1}{3}(4^2)$

$f(2)=\frac{1}{3} (16)$

$f(2)=\frac{16}{3}$

Your answer is D

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What property can you use to write an equivalent expression for -5(x-2)? Explain.

emmainna [20.7K]

Answer:

-5x+10

Step-by-step explanation:

-5(x-2)=-5x+10

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3 years ago

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