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3 years ago

Apples cost $1.99 per pound. How much do 3.25 pounds of apples cost?

Mathematics

1 answer:

shtirl [24]3 years ago

3 0

Answer:

$6.47

Step-by-step explanation:

set up a ratio

$\frac{1.99}{1} =\frac{x}{3.25}$

cross multiply

6.47=x

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Below is the graph of y=b^x. Find b.

omeli [17]

Y = b^x

when x = 1
y = b^1
y = b

Therefore, the value of b is the same as the value of y when x =1
From the graph,
When x = 1, y = 0.5
Therefore, b = 0.5

To confirm this

From the graph,

When x = -1, y = 2
Since y = b^x
2 = b^-1
2 = 1/b
2b = 1
b = 0.5

When x = -2, y = 4
Since y = b^x
4 = b^-2
4 = 1/(b^2)
b^2 = 1/4
b = √(1/4)
b = 1/2
b = 0.5

Therefore, it is conformed that b = 0.5

5 0

3 years ago

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Find the length of AC

aleksandr82 [10.1K]

here,

A to B = 62

C To B = 11

A to C = ?

now,

so, 62 - 11 = 51

therefore a to C Is 51 cm

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Here,

A to B = 13

A to C = 26

total = ?

now,

A to B + A to C

13 + 26 = 39

Therefore,

total number is 39

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2 years ago

Brody is 4 years older than his brother Logan. The sum of their ages is 14. How old is Logan?

Vitek1552 [10]

Answer:

Logan is 5 years old.

Step-by-step explanation:

THE SUM of their ages is 14, if logan is ten, then brody is 14. 14+10=24. Logan is 5. 5+4=9, 9+5=14.

3 0

3 years ago

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What is the volume of a sphere with a radius of 8 m, rounded to the nearest tenth of a cubic meter?

zlopas [31]

<h3>given:</h3>

radius= 8 m

the volume of the sphere

<h3>solution:</h3>

$v = \frac{4}{3} \pi {r}^{3}$

$v = \frac{4}{3} \times \pi \times {8}^{3}$

$v = 2144.66058 \: {m}^{3}$

$v = 2144.7 \: {m}^{3}$

therefore, the volume of the given sphere is 2144.7 cubic meters.

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2 years ago

A teacher dropped 8 coins on the table and counted the number of tails to simulate the number of questions a student might guess

Tomtit [17]

Answer:

Get 0 tails (correct answers in the test)

Get 5 tails (correct answers in the test)

Step-by-step explanation:

This is a problem of empirical probability calculation, since the teacher tries to find by means of the experimental method, the number of correct answers that a student could correctly guess in a true / false test with 8 questions.

If the teacher throws the 8 coins and then counts the number of tails, the graph shows the frequency with which 1, 2, 3, 4, 5, 6, 7 and 8 tails are obtained in the 100 attempts.

Therefore, the least probable result was the one that was obtained less frequently in the experiment or, in other words, the one that contains fewer points in the diagram, which in this case are:

Get 0 tails (correct answers in the test)

Get 5 tails (correct answers in the test)

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3 years ago

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