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3 years ago

What can you multiply by to find: 50% of a number? 10% of a number? 75% of a number?

Mathematics

1 answer:

adelina 88 [10]3 years ago

5 0

Answer:

50% is 0.5

10% is 0.1

75% is 0.75

Step-by-step explanation:

When multiplying to find the percent of a number, you make it a decimal by dividing it by 100.

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Two rectangles have the same area of 24cm².The second rectangle is 4cm shorter and 1cm wider than the first.What is the length a

lukranit [14]

Answer:

First rectangle: 12 cm by 2 cm

Second rectangle: 8 cm by 3 cm

Step-by-step explanation:

You can examine factor pairs of 24 to see which pairs meet the requirements:

24 = 1×24 = 2×12 = 3×8 = 4×6

Factor pairs (2, 12) and (3, 8) have one factor that differs by 1 and another factor that differs by 4. We can use these numbers to describe the rectangles:

First rectangle: 12 cm by 2 cm

Second rectangle: 8 cm by 3 cm

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3 years ago

Express the series in summation notation. 2 + 4 + 6 + 8 + 10 + 12

baherus [9]

Answer:

$\colorbox{black}{\blue{\boxed{\colorbox{black}{\pink{\cal{Answer}}}}}}$

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Simplify x3 / x A)x B)1/x2 C)x2 D)1/x

anygoal [31]

The answer is x^2, which is C), because x^2 * x = x^3

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3 years ago

20 more than the product of a number n and five

PtichkaEL [24]

Answer:

5n + 20

Step-by-step explanation:

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Angle RST is a right angle. Angle RSU has a measure of 25°.

Angelina_Jolie [31]

Keywords

complementary angles, right angle

we know that

If two angles are complementary angles, then their sum is equal to a right angle

In this problem

$Angle\ RSU+Angle\ TSU=90\°$ -------> by complementary angles

we have

$Angle\ RSU=25\°$

Substitute and solve for Angle TSU

$Angle\ TSU=90\°-25\°=65\°$

therefore

the answer is the option

$65\°$

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