3 years ago

When adding decimals, when is it helpful to show an equivalent decimal?

Mathematics

1 answer:

natali 33 [55]3 years ago

7 0

Yes, it is helpful to show the equivalent decimal

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Jaylynn was buying new mascara. She bought it on sale for $5.56. If the price represents a 20% discount from the original price,

Len [333]

X-0.20x=5.56
Solve for x
So the original price is
X=6.95

4 0

3 years ago

Show that sec^2x+csc^2x/sec^2xcsc^2x

professor190 [17]

Answer:

$\frac{1}{csc^{2}(x)}+\frac{1}{sec^{2}(x)}$

Step-by-step explanation:

The image below shows step-by-step on how to solve it.

<em>Hope this helps! </em>:)

4 0

3 years ago

Write 5^3 x √5 as a single power of 5

MakcuM [25]

√5 = 5^(1/2)

Multiplying two number with the same base has as result a number with the same base and the sum of the exponents so:

1/2 + 3 = 7/2
which means
5^3 x 5^(1/2) = 5^(7/2)

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2 years ago

For every quad, there are 4 wheels. Complete the

PIT_PIT [208]

The one next to 3 is 12, the one next to 7 is 28, the one next to 12 is 48. All you have to do is multiply the quads by four and you get the number of wheels.

7 0

3 years ago

The quotient of a number divided by 6 is 30 .What is the number

Greeley [361]

Answer:

180

Step-by-step explanation:

Let the quotient be X

X/6= 30

cross multiply;

X=30×6=180

8 0

2 years ago