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elena55 [62]
3 years ago
8

At lunch, 8 friends share 6 sandwiches equally what fraction of a sandwich does each friend get?

Mathematics
1 answer:
zalisa [80]3 years ago
4 0
Each friend would get 3/4 of a sandwich.

We take the 8 sandwiches and decide them by six. Then we get 0.75. Then we change it to fractions.

0.75. 75
——- x 100 ——- Then we simplify.
1. 100. And get 3/4
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3 0
2 years ago
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Let f(x) = 1/x . Find the number b such that the average rate of change of f on the interval [2, b] is − 1/8
vekshin1

Answer:

b=4

Step-by-step explanation:

So, we have the function f(x)=1/x. We need to find b such that the average rate of change or the slope is -1/8 between the intervel [2, b]. First, let's find f(2).

f(2) = 1/(2) = 1/2

So, we have the point (2, 1/2)

At point b, f(b) = 1/b.

Let's plug this into the slope formula:

\frac{y_2-y_1}{x_2-x_1}=\frac{.5-\frac{1}{b} }{2-b}  =-1/8

Now, we just need to solve for b. First, let's multiply both the numerator and denominator by b (to get rid of the annoying fraction in the numerator).

\frac{.5b-1}{2b-b^2} =\frac{-1}{8}

Now, cross multiply.

4b-8=b^2-2b

b^2-6b+8=0

Solve for b. Factor using the numbers -4 and -2.

=(b-4)(b-2)=0

Thus, b=4 or b=2.

However, b=2 is not a possible solution since the interval [2,2] means nothing. Thus, b=4.

4 0
2 years ago
Alexander made of rectangular quilt that measured 3 1/4 feet in length by 2 3/4 feet and width to find the area multiply the len
Oksana_A [137]
\text {Area = } 3 \dfrac{1}{4}  \times 2 \dfrac{3}{4}

\text {Area = } \dfrac{13}{4}  \times \dfrac{11}{4}

\text {Area = } \dfrac{143}{16}

\text {Area = } 8 \dfrac{15}{16} \text { ft}^2
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3 years ago
Please help me with 2 and 3.
Marianna [84]

Answer:

765

Step-by-step explanation:

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3 years ago
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A recipe requires 1\4 of a cup of cranberries for 1 batch. How many beaches of scones can be made using 6 1/2 cups of cranberrie
TiliK225 [7]

Answer:

26

Step-by-step explanation:

1 batch is 1/4 cups of cranberries.

This means that we have to find the number of groups of 1/4 in  6 1/2 cups to find the number of batches.

(The decimal forms of these numbers are 6.5 and 0.25)

6.5/0.25=26

There are 26 batches

8 0
2 years ago
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