3 years ago

Which number is prime 70 49 31 85

Mathematics

1 answer:

jeka57 [31]3 years ago

4 0

31 is a prime number because only 1 times itself equals 31. no other two factors equal 31 as a product.

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A 16 oz box of cereal costs $2.56. How much would a 40 oz box cost?

laiz [17]

Answer:

$6.40

Step-by-step explanation:

2.56 / 16 = 0.16
so 16 cents per oz
16 * 40 = 640

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3 years ago

Choose the graph of the function f(x) = x - 2.

Gennadij [26K]

Answer:

The answer in the attached figure

Step-by-step explanation:

we have

$f(x)=x-2$

This is a linear equation

The slope is equal to $m=1$

The y-intercept is equal to the point $(0,-2)$ ----> value of the function f(x) when the value of x is equal to zero

The x-intercept is equal to the point $(2,0)$ ----> value of x when the value of the function is equal to zero

using a graphing tool

see the attached figure

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3 years ago

Read 2 more answers

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Maurinko [17]

8 times 2 equals to 16

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4 years ago

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The level of the tide in a harbor changed from 9 1/4 ft to 4 1/2 ft above sea level over a period of 3 1/4 hr

kumpel [21]

Answer:

The answer is " $\bold{- \frac{19}{13} \ / hour}$ "

Step-by-step explanation:

Please find the complete question in the attached file.

Calculating the difference of $9 \frac{1}{4}\ and \ 4 \frac{1}{2}$ dividing the value by $3 \frac{1}{4}$

$\to 4 \frac{1}{2} - 9 \frac{1}{4}\\\\ \to \frac{9}{2} - \frac{37}{4}\\\\ \to \frac{18-37}{4} \\\\ \to -\frac{19}{4}\\\\\to -\frac{19}{4} \div \frac{13}{4}= -\frac{19}{4} \times \frac{4}{13} = -\frac{19}{13}\\$

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3 years ago

6.9•10 to the fourth power divided by 6.6•10 to the negative 5

e-lub [12.9K]

23/200
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3 years ago