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lesya [120]
3 years ago
9

What’s the average of 3, 6, 9, 12, and 15

Mathematics
2 answers:
Aloiza [94]3 years ago
8 0
3+6+9+12+15/5= 45/5=9
the average of the numbers is 9
Kazeer [188]3 years ago
6 0

The answer is 68 because u add the number and then divide it by 12

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Square root of 15-x=-3+Square root of 2x+3<br><br> Solve for x
PSYCHO15rus [73]
&#10;\sqrt{15-x}=-3\sqrt{2x+3}\impliedby \textit{divide by -3}&#10;\\ \quad \\&#10;\cfrac{\sqrt{15-x}}{-3}=\sqrt{2x+3}\impliedby \textit{squares both sides}&#10;\\ \quad \\&#10;\left( \cfrac{\sqrt{15-x}}{-3} \right)^2=(\sqrt{2x+3})^2\implies &#10;\cfrac{(\sqrt{15-x})^2}{(-3)^2}=(\sqrt{2x+3})^2&#10;\\ \quad \\&#10;\cfrac{15-x}{9}=2x+3\impliedby \textit{multiply both sides by 9}&#10;\\ \quad \\&#10;15-x=18x+27\impliedby \textit{solve for "x"}
5 0
3 years ago
Please huryyyyyyyyy please helpppppp
Marrrta [24]

The square root of integers where one can get the number 2.71 will be between 7 and 8.

The square root of integers where one can get the π will be between 9 and 10

<h3>How to illustrate the value?</h3>

It should be noted that the <em>square</em> of a number simply means multiplying the number by itself.

Therefore, the.square root of integers where one can get the number 2.71 will be between 7 and 8.

Also, the square root of integers where one can get the π will be between 9 and 10

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

5 0
2 years ago
Giveing 15 points.Use the rectangle to find the measure of the following angles measure ane BAC=25
Vinil7 [7]

1) All angles of a rectangle are right angles, so the measure of angle CBA is 90 degrees.

2) Since all angles of a rectangle are right angles, angle BAD measures 90 degrees. Subtracting the 25 degrees of angle BAW from this, we get that angle CAD has a measure of 65 degrees.

3) Opposite sides of a rectangle are parallel, so by the alternate interior angles theorem, the measure of angle ACD is 25 degrees.

4) Because diagonals of a rectangle are congruent and bisect each other, this means BW=WA. So, since angles opposite equal sides in a triangle (in this case triangle ABW) are equal, the measure of angle ABW is 25 degrees. This means that the measure of angle CBD is 90-25=65 degrees.

5) In triangle AWB, since angles in a triangle add to 180 degrees, angle BWA measures 130 degrees.

6) Once again, since diagonals of a rectangle are congruent and bisect each other, AW=WD. So, the measures of angles WAD and ADW are each 65 degrees. Thus, because angles in a triangle (in this case triangle AWD) add to 180 degrees, the measure of angle AWD is 50 degrees.

4 0
2 years ago
If you can buy 1/3 of a box of chocolates for 6 dollars how much can you purchase for 4 dollars?
sladkih [1.3K]

You  \: can \: purchase :4 \times  \frac{1}{3}  \div 6 =  \frac{2}{9}  \: of \: a \: box

5 0
3 years ago
Can someone please help me i would just need the answer
o-na [289]

Answer:

80+50P

Step-by-step explanation:

80 is fixed

50 is variable

1 device = 130

2 decices = 180

8 0
4 years ago
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