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Galina-37 [17]
2 years ago
7

Where common multiples between three and five and one and 50

Mathematics
1 answer:
Arlecino [84]2 years ago
5 0
300 is a multiple of 3,5,1, and 50
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Toby wants to buy 2 concert tickets that cost $19 each. His makes $4.75 an hour while he mows lawns. How many hours will he need
nikitadnepr [17]
Cost of a ticket = $19
So, cost of two tickets = 19 * 2 = $38

Now, he makes, $4.75 in an hour.
Let, the number of hours for that much money = x

It would be: 4.75x = 38
x = 38 / 4.75
x = 8 hours

In short, Your Answer would be 8 hours

Hope this helps!
8 0
3 years ago
Which expressions form an equation with the given expression?
kolezko [41]
Numbers 2, 4 and 5 are the correct answers.
Hope this helps!
8 0
3 years ago
Consider function f.
tekilochka [14]

Given:

The function is:

f(x)=\sqrt{7x-21}

To find:

The steps of finding the inverse function f^{-1}(x).

Solution:

We have,

f(x)=\sqrt{7x-21}

The steps of finding the inverse function are:

Step 1: Substitute f(x)=y.

y=\sqrt{7x-21}

Step 2: Interchange x and y.

x=\sqrt{7y-21}

Step 3: Taking square on both sides, we get

x^2=7y-21

Step 4: Adding 21 on both sides, we get

x^2+21=7y

Step 5: Divide both sides by 7.

\dfrac{1}{7}x^2+3=y

Step 6: Substitute y=f^{-1}(x).

\dfrac{1}{7}x^2+3=f^{-1}(x), where x\geq 0.

Therefore, the inverse of the given function is f^{-1}(x)=\dfrac{1}{7}x^2+3 and the arrangement of steps is shown above.

7 0
3 years ago
Write the sentence as an inequality.
Bogdan [553]

Answer:

1/2y > 22

Step-by-step explanation:

This can also be written as

y/2 > 22

and

0.5y >22

Hope this helps!

6 0
2 years ago
There are 63 students in band. This represents 30% of the grade. How many students are in the entire grade
almond37 [142]

So, the question is 63 is 30% of what number?

That can translate to the equation

     63 = 30% · x     or     63 = 0.3x

Divide by 0.3 and you get x = 210.

There are 210 students in band.

8 0
3 years ago
Read 2 more answers
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