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3 years ago

What in times equals 60

Mathematics

1 answer:

hammer [34]3 years ago

3 0

10x 6=60, 5x12=60 hope that help next time you can always look at a chart

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Pls help me:) <br> A-(4•7)^-4<br> B-1/28^2<br> C-7^-2/4^2<br> D-(4•7)^4

Sergio039 [100]

Answer:

$\frac{1}{(28)^{2} }$

Step-by-step explanation:

Step 1;

Write expression

$4^{-2} . 7^{-2\\\frac{\frac{1}{4^{-2} } }{y\frac{1}{7^{-2} } } }$

$\frac{1}{4^{2} .7^{2} }$

$\frac{1}{(4x7)^{2} }$

$\frac{1}{(28)^{2} }$

8 0

2 years ago

Which of the following is true about the expression

anyanavicka [17]

Answer:

The correct answer is B

Root 3 is not rational and 2 is rational so the product is irrational

8 0

3 years ago

There are 10 roller coasters at 6 flags, and you only have time to ride 3 before the park closes. How many different ways can yo

Charra [1.4K]

Answer:

120

Step-by-step explanation:

If order doesn't matter, there are 10 ways to chose the first ride, 9 ways to choose the second, and 8 ways to choose the third. This product (720) has you riding the same 3 coasters in 6 different orders. Dividing by 6 gives ...

720/6 = 120 different combinations of roller coasters

_____

This number might be written as 10C3 (choose 3 from 10). The meaning of that notation is ...

nCk = n!/(k!(n-k)!)

10C3 = 10!/(3!·7!) = 10·9·8/(3·2·1) = 120

4 0

3 years ago

Read 2 more answers

Margaret is going on vacation to Alaska. She has 13 sweaters and needs to choose 6 to take with her on vacation. How many ways c

spayn [35]

Answer:

1,716

Step-by-step explanation:

I just took the quiz.

8 0

2 years ago

Explain why 20 is not a square number.

Marizza181 [45]

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.

8 0

2 years ago