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WINSTONCH [101]
3 years ago
6

A recipe for chocolate chip cookies calls for 4 cups of flour and makes 72 cookies. A recipe for oatmeal cookies uses the table

below to determine the amount of flour, x, to make y cookies.
Mathematics
2 answers:
lukranit [14]3 years ago
5 0
Theres no table shown
Lapatulllka [165]3 years ago
3 0

Answer:

Step-by-step explanation:can you please show a picture

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what is the slope of a line parallel to the line whose equation is y= -5/2x+7. fully simplify your answer
Feliz [49]

Answer:

-5/2

Step-by-step explanation:

7=intersect of y

-5/2=Slope

7 0
2 years ago
Will mark brainiest if right Is this function linear or nonlinear?<br><br> y=3x−5
qwelly [4]

Answer: This function is linear because it forms a straight line when graphed.

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6 0
2 years ago
Which inequality is true?
Vladimir79 [104]

Answer:

C) 3pi>9

Step-by-step explanation:

5 0
3 years ago
In order to estimate the difference between the average hourly wages of employees of two branches of a department store, two ind
liberstina [14]

Answer:

Step-by-step explanation:

Hello!

You have two populations of interest and want to compare them. If you define the study variables as:

X₁: average hourly wages of an employee of the Downtown store.

n₁= 25

X[bar]₁= $9

S₁= $2

X₂: average hourly wages of an employee of the North Mall store.

n₂= 20

X[bar]₂= $8

S₂= $1

Both samples taken are independent, assuming that both populations are normal and that their population variances are equal I'll use the Student's-t statistic with a pooled sample variance to calculate the Confidence interval:

95% CI for μ₁ - μ₂

(X[bar]₁-X[bar]₂) ± t_{n_1+n_2-2; 1-\alpha /2} * (Sa*\sqrt{\frac{1}{n_1} +\frac{1}{n_2} } )

Sa^2= \frac{(n_1-1)S_1^2+(n_2-1)S_2^2}{n_1+n_2-2}

Sa^2= \frac{24*4+19*1}{25+20-2}= 2.67

Sa= 1.64

t_{n_1-n_2-2;1-\alpha /2} = t_{43; 0.975} = 2.017

(9-8)±2.017*(1.64*\sqrt{\frac{1}{25} +\frac{1}{20} } )

[0.007636;1.9923]

I hope it helps!

6 0
3 years ago
Math homework please help ​
-BARSIC- [3]
F nbc hbbb b bbb. hey n b
6 0
2 years ago
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