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malfutka [58]
3 years ago
14

Is anyone good at paralleligram?!I will mark brainlest.for 13 points​

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
4 0

Answer:

Y= 15

x = 12

Step-by-step explanation:

Okay, so the sides that are across from eachother, are always equal to eachother, in a parallelogram.

So, 5y-20 = 2y + 25

Next, you add 20 to both sides, and then subtract 2 from the right side, and subtract 2 from the left side ,and you get 3y = 45

divide 45 by 3 , and you get 15.

DO the same thing for the X's.

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What is 7.8×10^5 hours in days?
iragen [17]

Answer:

32500 Days

Step-by-step explanation:

7.8 × 10^{5} = 780000

We know that there are 24 hours in a day.

⇒24 Hours = 1 Day

therefore 780000 hours = \frac{780000}{24} = 32500 Days

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3 years ago
1 and two-thirds minus 2 and one-third
svetoff [14.1K]

Answer:

The answer is -2/3.

Hope this helps and if you could mark as brainliest. Thanks!

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3 years ago
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8x - 14 = 7.7x + 3x
djverab [1.8K]

Answer:

x=5.2

Step-by-step explanation:

8x−14=7.7x+3x

Step 1: Simplify both sides of the equation.

8x−14=7.7x+3x

8x+−14=7.7x+3x

8x−14=(7.7x+3x)(Combine Like Terms)

8x−14=10.7x

8x−14=10.7x

Step 2: Subtract 10.7x from both sides.

8x−14−10.7x=10.7x−10.7x

−2.7x−14=0

Step 3: Add 14 to both sides.

−2.7x−14+14=0+14

−2.7x=14

Step 4: Divide both sides by -2.7.

−2.7x /−2.7  = 14 /−2.7

x=−5.185185 or 5.2

3 0
3 years ago
Find the sum of<br>−3x2−x−10 and 10x^2+x-10
Andru [333]

<em>Look at the attached picture⤴</em>

<em>Look at the attached picture⤴Hope it will help u....:)</em>

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Last question of the day lol:<br>Find the Slope and Y-intercept of each lines​
jeka57 [31]

Answer:

“Be strong and courageous. Do not fear or be in dread of them, for it is the LORD your God who goes with you. He will not leave you or forsake you.” [Deuteronomy 31:6]

Step-by-step explanation:

6 0
3 years ago
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