2 years ago

What is 2 times 4 plus 20 and times 3?

Mathematics

1 answer:

Gennadij [26K]2 years ago

5 0

Answer:

Step-by-step explanation:

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Work out the value of: (√3)^2

Viktor [21]

Answer:

Step-by-step explanation:

Note that

( $\sqrt{a}$ )² = a, for example

( $\sqrt{100}$ )² = 10² = 100 ← value inside the radical

Thus

( $\sqrt{3}$ )² = 3

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3 years ago

Rachel has taken 6 tests so far and has received scores of 83%, 92%, 79%, 88%, 89%, and 95%. What must Rachel receive on her sev

Vinil7 [7]

Let the score on her seventh test be "x".

SO,

$\frac{83+92+79+88+89+95+x}{7} =90\\\\ \frac{526+x}{7}=90\\\\ 526+x=630\\\\x=630-526\\\\ \boxed{x=104}$

∴ He must get 104% on his seventh test to get an average score of 90%

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3 years ago

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PLEASE HELP WILL GIVE BRANLIEST IF CORRECT

nevsk [136]

Answer:

1,500,000,000

Step-by-step explanation:

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2 years ago

A pattern is made by toothpick squares. Select the series that represents the number of toothpicks added to a picture to get the

lorasvet [3.4K]

The answer is, 4 + 8 + 12 + 16 ... rule is 4n.

Explanation:

one square has 4 toothpicks, then you added 4 picks (because you started with zero squares).

4 squares have 12 toothpicks, then you added 8 toothpicks to pass from one square to 4 squeres.

If you follow that reasoing you get to realize that the additions are 4, 8, 12, 16.

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2 years ago

LOOK AT THE PICTURE PLEASE QUICK ITS EASY

max2010maxim [7]

Answer:

C or d

Step-by-step explanation:

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2 years ago