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irinina [24]
3 years ago
11

(1) 15 V2 - 9 V2 + V2

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

15 V2 - 9 V2 + V2

(2) 5 728 617 - 1252

(3) 'v125 + 5 *V81 - 6 V64

(4) vi2 • V3

(5) '1875 . 'V

(6) vii / - V2 3 V5 )

(7) 5 V6 / 10 V50

(8) 9 'v19 / 1729

(9) vis 12 - V15

(10) 8. 'V2X /

pls mark me as brainlist

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What is the angle of c (∠c)<br><br> Help immensely I will give brainliest
jeka57 [31]

Answer:

The measure of ∠c is 50°.

Step-by-step explanation:

When it comes to problems like these, there are two types of angles that should be kept in mind: complementary angles and supplementary angles.

Complementary angles are angles that add up to 90° (a right angle). Supplementary angles are angles that add up 180° degrees (a straight angle). A good way to recall this information in layman's terms is to remember this: complements are always right.

So now let's apply what we've learned to the problem. We have a straight angle that is composed of two 65° angles and an unknown C angle. We know that when angles add up to 180°, they're supplementary angles.

<u>If we interpret our problem in algebriac form, we can say that:</u>

65° + 65° + m∠C = 180°

<u>Now we just solve this problem like any other algebriac equation. First, you can combine like terms.</u>

130° + m∠C = 180°

<u>Then, subtract 130° on both sides to isolate our variable.</u>

m∠C = 50°

<u>Now we can safely say that the measure of angle C is 50°.</u>

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3 years ago
Six identical square pyramids can fill the same volume
alexira [117]

Answer:

A

Step-by-step explanation:

Just took the test :)

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In the 1939 movie The Wizard of Oz, upon being presented with a Th.D. (Doctor of Thinkology), the Scarecrow proudly exclaims, "T
Brilliant_brown [7]

Answer:

The Scarecrow got it wrong.

Step-by-step explanation:

1. The Pythagoras theorem does not apply to every isosceles triangle. It only applies to a triangle that has one of its sides as a right angle i.e. 90 degrees.

2. The Pythagoras theorem deals with squares of sides not square roots of sides.

3. Pythagoras theorem does not state that the square of any side is equal to the sum of the remaining two. Instead, it states that the square of the hypotenuse of a right angled triangle is equal to the sum of the square of the remaining two sides.

4. The Pythagoras theorem does not mention anything about an isosceles triangle. It deals only with Right angled triangles.

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3 years ago
People were asked if they were considering changing what they eat. 29% said yes
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In order to do this, you can convert the percentages to decimals and multiply.

.23 x .29 = .0667 or 6.67%

6.67% of the total group are considering becoming vegetarians.
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Step-by-step explanation:

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