3 years ago

Find - 36 . Ο +6 -6 9Ο Ο 18

Mathematics

2 answers:

ICE Princess25 [194]3 years ago

8 0

Answer:

Step-by-step explanation:

Alinara [238K]3 years ago

3 0

Answer:

+or-6

Step-by-step explanation:

This is a trick question. The answer would be the first choice since you're multiplying -6 by +or-6, meaning that it could still end up as a negative or a positive.

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Determine whether n^2+20n+100 is a perfect square trinomial.<br><br> Yes<br><br> No

Black_prince [1.1K]

N²+20n+100 = (n+10)(n+10)
Yes is it a perfect square trinomial

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3 years ago

In january of 2013, mr edwards turned 64 years old. in what year was mr edwards born.

Sophie [7]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

$18.79 + $2.11 + ‐$1.92 + $17.28

tester [92]

I think it’s 36.26 .

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3 years ago

Answer with explanation.please.

Free_Kalibri [48]

The radius of the base is 10 cm.

Solution:

Height of a cone = 15 cm

Volume of the cone = 1570 cm³

To find the radius of the base of the cone:

Volume of the cone = $\frac{1}{3}\pi r^2 h$

$$\Rightarrow \frac{1}{3}\pi r^2 h=1570$

$$\Rightarrow \frac{1}{3}\times\ 3.14\times r^2 \times 15=1570$

$$\Rightarrow\ 3.14\times r^2 \times 5=1570$

$$\Rightarrow\ 15.7\times r^2 =1570$

Divide by 15.7 on both side of the equation, we get

$$\Rightarrow r^2 =100$

Taking square root on both sides of the equation, we get

⇒ r = 10

Hence the radius of the base is 10 cm.

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4 years ago

Each interior angles of a polygon measures 157.5. What is n, the total number of sides in this polygon

WITCHER [35]

The exterior angles = 180 - 157.5 = 22.5 degrees
the exterior angles of all polygons add up to 360 degrees
therefore the total number of sides n = 360 / 22.5 = 16

7 0

3 years ago