3 years ago

Can someone help me?It's urgent and thank you!

Mathematics

1 answer:

Neporo4naja [7]3 years ago

7 0

Answer:

Step-by-step explanation:

Solution for this problem is in this picture.

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If 5 miles is 8 kilometers, which of the following is correct? A. 47.5 miles is 76 kilometers B. 52.5 miles is 86 kilometers C.

RUDIKE [14]

Answer:

A.47.5 miles is 76

Step-by-step explanation:

in real life its like 76.44, but im rounding

4 0

3 years ago

Hey yall so im taking a test and imm very confused on hwo to find the letter n for the equation

kotegsom [21]

Answer:

n = -7,6

Step-by-step explanation:

n(n+1)+3=45

distributive property: a(b+c) = ab+ac

n²+n+3 = 45

n²+n -42 = 0

factor now

(n+7)(n-6) = 0

n = -7,6

8 0

4 years ago

The sum of the cube of a number and 12

Black_prince [1.1K]

Let the "number" be n.

The expression would be $n^3+12$

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3 years ago

How do find the answer in subtractiion problem, when the top number is smaller than the bottom

Travka [436]

Use a number line if you need 4/10 - 6/10 = -2/10a simpler way is to do the opposite 6/10 - 4/10 = 2/10 then the answer would be the opposite as well. so, -2/10

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3 years ago

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Set A contains three different positive odd integers and two different positive even integers; set B contains two different posi

Lostsunrise [7]

Answer:

$\frac{2}{5}*\frac{3}{5} +\frac{2}{5}*\frac{2}{5}+\frac{3}{5} *\frac{3}{5} = \frac{19}{25}$

Step-by-step explanation:

We must remember that in order to get one even number we need to multiply one even number times one odd number or two even numbers. So, the first term tells the probability of having an even number from A and an even number from B, the next would be even from A and odd from B and the last one tells the likelihood of having odd from A and even from B

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3 years ago