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3 years ago

Explain how you can use a model 4 x 1/3

2 answers:

7 0

It’s kinda like how formulas work you can use it to find things and as what the person above said , yes, correct, you can use it for area as well

Romashka-Z-Leto [24]3 years ago

5 0

You can use it to find the area of something

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Which situation is linear ?

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Answer:

D. The population of a town in Increasing by ten people each year

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2 years ago

If an experimenter conducts a t test for independent means and rejects the null hypothesis, the correct interpretation is that:

lisabon 2012 [21]

Answer: C

Step-by-step explanation:

Rejecting the null hypothesis means we've found a significant difference in the means. That means the probability that we'd see means so far apart by chance is less than our threshold of significance.

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3 years ago

Which expression and value represents 9 less than the quotient of 18 and 3?

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Answer:

kinda hard ,

Step-by-step explanation:

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2 years ago

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Dave works two jobs. He works at the grocery store making $12 per hour and works at the car wash making $15 per hour. If he work

vladimir2022 [97]

Answer:

11 hours

Step-by-step explanation:

let he works at first store x hours and at car wash y hours. Then

x+y=25

multiply by 4

4x+4y=100 ...(1)

12x+15y=333

divide by 3

4x+5y=111 ... (2)

(2)-(1) gives

y=111-100=11

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2 years ago

Which of the following is the correct graph of the solution to the inequality −18 > −5x + 2 ≥ −48?

monitta

Answer:

Option D. A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

Step-by-step explanation:

we have

$-18 > -5x+2 \geq -48$

Divide the compound inequality into two inequalities

$-5x+2 \geq -48$ -----> inequality A

$-5x \geq -48-2$

$-5x \geq -50$

Multiply by -1 both sides

$5x \leq 50$

Divide by 5 both sides

$x \leq 10$

The solution of inequality A is the interval ----> (-∞,10]

All real numbers less than or equal to 10

$-18 > -5x+2$ -----> inequality B

$-18-2 > -5x$

$-20 > -5x$

Multiply by -1 both sides

$20 < 5x$

Divide by 5 both sides

$4 < x$

Rewrite

$x > 4$

The solution of the inequality B is the interval ----> (4,∞)

All real numbers greater than 4

The solution of the compound inequality is

(-∞,10] ∩ (4,∞)= (4,10]

All real numbers greater than 4 and less than or equal to 10

A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

8 0

3 years ago

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