3 years ago

Which expression can be used to determine the slope of the linear function graphed below?

Mathematics

1 answer:

iVinArrow [24]3 years ago

4 0

The answer would be the following

-4-0
———
0-2

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I need to solve this

guajiro [1.7K]

Answer:

x is 7, y is -1

Step-by-step explanation:

x+7y=0

2x-8y=22 -> divide both sides by -2

x+7y=0

-x+4y=-11

Eliminate one of the equations by adding the equations.

11y=-11

y=-1

Substitue the value of y into te equation

x+7*(-1)=0

x=7

3 0

4 years ago

Consider the following hypothesis test. H0: μ = 15 Ha: μ ≠ 15 A sample of 50 provided a sample mean of 14.11. The population sta

bearhunter [10]

Answer: -2.10

Step-by-step explanation:

Given : $H_0:\mu=15$

$H_a:\mu\neq15$

Sample size : n= 50, since the sample size is greater than 30 , so we apply z-test.

Sample mean : $\overline{x}=14.11$

Standard deviation : $\sigma= 3$

The test statistic for population mean :-

$z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

i.e. $z=\dfrac{14.11-15}{\dfrac{3}{\sqrt{50}}}=-2.09775011752\approx-2.10$

Hence, the value of the test statistic = -2.10

8 0

4 years ago

Alisa had 1/2 a liter of juice in a bottle.She drank 3/4 of the juice that was in the bottle.How many liters of juice did she dr

Alik [6]

Started with .5 liters
She drank 3/4 of .5 liters
gives us
375 Milliliters

4 0

3 years ago

Read 2 more answers

38. What are the zeros of y> X2 - 13x + 40?<br> A. -5, -8<br> B. 5, -8<br> C.4, 10<br> D.5.8

suter [353]

Answer:

Step-by-step explanation:

5 0

3 years ago

A case of garlic cost $26 per 30 pounds how much does the garlic cost per ounce?

lozanna [386]

Answer:

$0.05417, or around 5 cents

Step-by-step explanation:

There are 16 ounces in a pound. There are 480 ounces in 30 pounds.

26 / 480 = $\frac{13}{240}$ or 0.05416666667

Round to 5 decimal places, 0.05417

7 0

2 years ago