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3 years ago

CAN SOMEONE PLEASE HELP ME???

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

6 0

Answer:

Step-by-step explanation:

you are rising 1 and running 1 so 1/1 equals 1

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33 1/3% of what number is 21? (Show work)

grandymaker [24]

33 and 1/3 % is equivalent to 1/3

(1/3) of what number is 21

in math-ese:

(1/3) * x = 21

multiplying both sides by 3...

x = 63

4 0

3 years ago

3.5.PS-26

notsponge [240]

Using a linear function, it is found that the algebraic expression that shows the amount Ms. Jackson will pay for the small truck for the week is:

$y(m) = 0.6m + 340$

<h3>What is a linear function?</h3>

A linear function is modeled by:

$y = ax + b$

In which:

a is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.

b is the y-intercept, which is the value of y when x = 0.

In this problem:

He pays an amount per mile, plus a flat weekly fee.

Researching the problem on the internet, it is found that the weekly fee for the small truck is of $340, hence $b = 340$ .

For each mile, he pays $0.6, hence the slope is of $a = 0.6$ .

Then, the expression is:

$y(m) = 0.6m + 340$

To learn more about linear function, you can take a look at brainly.com/question/25823744

8 0

3 years ago

The area of a circle is 80.86cm2. Find the length of the radius rounded to 2 DP.

weeeeeb [17]

Answer:

Solution given:

The area of a circle =80.86cm²

we have:

The area of a circle =πr²

substituting value of area of circle we get

80.86cm=3.14*r²

dividing both side by 3.14

80.86/3.14=3.14*r²/3.14

25.75=r²

doing square root on both side

$\sqrt{25.75}=\sqrt{r²}$

r=5.07cm

The length of radius is 5.07cm

5 0

3 years ago

Rachel and her friends are making necklaces out of beads and straws. They plan to use 12 beads and 5 straws for each necklace. T

bagirrra123 [75]

Answer:

225 necklaces.

Step-by-step explanation:

Assuming that they have the necessary amount of straws to match the beads then we can use the following simple equation to solve this problem.

t = b/12 ... where t is the total amount of necklaces and b is the number of beads you have

t = 2700 / 12

225 necklaces.

For 225 necklaces you would also need 1125 straws since each necklace requires 5 straws to be fully made. Therefore if you have this amount you should not run into any problems.

3 0

3 years ago

What’s 3/5y+(-6/5y)=

sladkih [1.3K]

Answer:

-3y/5

Step-by-step explanation:

3/5y+(-6/5y)=

Since the denominator is the same, we can add the numerators

3y - 6y

----------------

-3y/5

4 0

4 years ago

Read 2 more answers