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3 years ago

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Mathematics

1 answer:

Artist 52 [7]3 years ago

6 0

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You might be interested in

5)-k-5=0<br> How do you get the answer

lions [1.4K]

Answer:

correct answer

Step-by-step explanation:

-k equals -5 because a negative and the same opposite positive eliminates each other and get 0

6 0

3 years ago

Are the rational numbers closed under multiplication?

Fed [463]

Answer:

Yes, The rational numbers are closed under multiplication.

Step-by-step explanation:

A rational number is a number which can be expressed in the form of a fraction $\frac{x}{y}$ , where x and y are integers and y ≠ 0.

Now, closure property of multiplication states that if two rational numbers are multiplied then the product is also a rational number. Thus, if r and t are rational numbers, then

r×t = s, where s is the product of r and t

s is also a rational number.

Hence, the rational numbers are closed under multiplication.

This can be better explained with the help of an example $\frac{3}{4} \times \frac{2}{5} = \frac{6}{20}$ ,

It is clear that $\frac{6}{20}$ is a rational number.

6 0

4 years ago

A pyramid has a square base with sides 8" and a slant height of 5". total area =

Vinil7 [7]

The answer is 224 sq units

6 0

4 years ago

Read 2 more answers

Determine the intercepts of the line<br><br> y-intercept (__,__)<br> x-intercept (__,__)

MAVERICK [17]

Y- intercept is (0,2.5)
X-intercept is (0,3.5)
Hope this helps

5 0

3 years ago

I don't understand this subject

GaryK [48]

Answer:

7.3

Step-by-step explanation:

The two triangles are similar, meaning that they have the same angles but the triangles are in different sizes. To solve this, use proportions:

$\frac{3}{5} =\frac{4.5}{x}$

Cross multiply:

$3x=22.5\\x=7.3$

4 0

3 years ago