3 years ago

Question 1

2 answers:

7 0

You would need to have energy otherwise how else would you have the suns energy for light waves to power things and sound waves

Vinvika [58]3 years ago

3 0

Answer:

vibrations

Step-by-step explanation:

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If a triangle ABC, angle A is three times as large as angle C. The measure of angle B is 30 less than that of angle C. Find the

klasskru [66]

$180=a+b+c$
$180=3c+(c-30)+c$
$180=5c-30$
$210=5c$
$c=42$
$a=3c$
$a=3(42)$
$a=126$
$b=c-30$
$b=42-30$
$b=12$

Check:
126+12+42=180
180=180 ---> Checks TRUE

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3 years ago

Find the missing number to make these fractions equal three fourths equal blank over eight

zysi [14]

Your answer is six. 3/4=6/8

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4 years ago

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The number of girls in class varies directly as the number of boys. One class had 3 boys and

umka2103 [35]

Answer:

35 girls

Step-by-step explanation:

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3 years ago

A large diamond with a mass of 4289.6 grams was recently discovered in a mine. If the density of the diamond is 3.51 grams over

sweet [91]

There are several information's already given in the question. Based on those information's the answer can be deduced.
Mass of the diamond = 4289.6 grams
Density of the diamond = 3.51 gm/cm^3
Then
Volume of the diamond = 4289.6/3.51
= 1221.9 cm^3
From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the third option or the penultimate option.

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0.0000000043 estimated to the power of ten

Readme [11.4K]

Answer:

4.3 x 10^-9

Step-by-step explanation:

Convert to base 10 and move decimal 9 to right

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3 years ago