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pogonyaev
3 years ago
10

HELP!!! Does anyone understand???????????

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0

Answer:

4.0

observed time spent exerciseing: 4.5

predicted time:5.5

residual: 1

5.0

observed time spent exerciseing: 6.5

predicted time:5.0

residual: 1.5

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Please help me with this question! Will give brainliest!
MissTica

Answer:

D) 2/3 x - 8

E) -4x + 11

Step-by-step explanation:

y ∈ R | -∞ < y < ∞ just means that the range for y is all real numbers in a function. For y to be all real numbers, the function, when graphed, has to have no top or bottom limit. The only graphs without top or bottom limits are D and E.

A has a bottom limit

B has a bottom limit

C has a top limit

4 0
3 years ago
Margot has 21 1/2 pounds of flour 8 pounds of butter and 18 1/2 ponds of sugar to make shortbread cookies if she makes 12 batche
adell [148]

Answer:

<em>4 pounds of ingredients are used in each batch.</em>

Step-by-step explanation:

Amount of flour = 21\frac{1}{2}pounds = \frac{43}{2}pounds

Amount of butter = 8 pounds

Amount of sugar = 18\frac{1}{2}pounds= \frac{37}{2} pounds

So, the <u>total amount of all ingredients</u> will be:   (\frac{43}{2}+\frac{37}{2}+8)pounds = (\frac{43+37+16}{2}) pounds= \frac{96}{2} pounds = 48 pounds

Given that, she makes 12 batches of cookies using all the ingredients.

Thus, the amount of ingredients used in each batch =\frac{48}{12} pounds = 4 pounds

5 0
3 years ago
What is more 7 7/9 or 7 4/5?
bezimeni [28]

First, turn the mixed numbers into improper fractions.

7 7/9 = 70/9

7 4/5 = 39/5

Second, find common denominators.

70/9 = 350/45

39/5 = 351/45

351/45 > 350/45

Therefore, 7 4/5 is greater.

Best of Luck!

5 0
3 years ago
Sung loo worked 54 hours during a special sale at the store. 10 hours was time and a half, and 4 hours were at double time. Her
DanielleElmas [232]

Answer:

$432.18

Step-by-step explanation:

Time and a half = 50% more pay rate / 1.5*6.86 = $10.29 per hour

Double time = 2*6.86 = $13.72 per hour

Rest of the time => At regular rate

Total Amount = 10(10.29) + 4(13.72) + (54 - 10 - 4)(6.86)

                       = 10(10.29) + 4(13.72) + (40)(6.86)

                       = $ 432.18

6 0
3 years ago
Read 2 more answers
Someone help me with my Algebra!
Crazy boy [7]

The cost should be the same on day 3

8 0
3 years ago
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