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Lemur [1.5K]
2 years ago
11

An easy way to explain...

Mathematics
2 answers:
Mashcka [7]2 years ago
7 0
it's very simple, 694-72= 622
so in order for you to check you answer you do the opposite
694-72 would equal 622
622+72 would equal 694
lara31 [8.8K]2 years ago
7 0
So first u subtracted 72 and 694 and got 622. then to check ur work, u added ur sum to 72 and got 694
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ABCD diagonals intersect at E. If m∠BAC=4x+5 and m∠CAD=5x-14, then find m∠CAD.
Travka [436]

Answer: m∠CAD = 81°

Step-by-step explanation: <u>Diagonal</u> is a line that unites opposite sides.

ABCD is a prallelogram. One property of diagonal in a parallelogram is it separates the parallelogram in 2 congruent triangles.

The figure below shows ABCD with its diagonals.

Since diagonal divides a parallelogram in 2 congruent triangles, it means the internal angles are also congruent. So

m∠BAC = m∠CAD

4x + 5 = 5x - 14

x = 19

Then, m∠CAD is

m∠CAD = 5(19) - 14

m∠CAD = 81

The angle m∠CAD is 81°.

7 0
2 years ago
Total surface area of the drawing
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5( \frac{1}{2}bh) \times 2=5(9)(6.2)= 279

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4 0
2 years ago
A hiker climbs a mountain. After 1 hour he is at an altitude of 200 feet. After 3 hours, he is at an altitude of 350 feet. What
s344n2d4d5 [400]

Answer: 75 feet per hour

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X: 1, 3

Y: 200, 350

150/2

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6 0
3 years ago
PLEASE HELP ! Suppose another company offers a special
kolezko [41]

The special is cheaper than Bella's price. Then the correct option is B.

<h3>What is the linear system?</h3>

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Suppose another company offers a special banquet price of $4,000 for 150 people.

Then the special is cheaper than Bella's price.

Then the correct option is B.

More about the linear system link is given below.

brainly.com/question/20379472

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5 0
1 year ago
Kenny buys 4 1liter bottles of water how many millileters of water does Kenny buy
kenny6666 [7]
Kenny bought 4 1liter bottles of water

1liter is equal to 1,000 milliliters (milli means 1,000)

What that means is that in each bottle of water that he purchased, he has 1,000 milliliters

He has 4 bottles, so we simply take

4(bottles) x 1,000(amount of water in each bottle)

4 x 1,000 = 4,000 milliliters
6 0
3 years ago
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