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Snowcat [4.5K]
3 years ago
10

Simplify (3a^4-2a^2+5-10)-(2a^4+4a^2+5a-2)

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

Step-by-step explanation:

3a^4 -2a^2 + 5 - 10 -(2a^4 +4a^2 + 5a -2)

as given.. i'm wondering if the 5 in the first group is really 5a.. hmmm

I'm guessing that it is...  soooo distribute the minus sign

= 3a^4 - 2a^2 +5a -10  -2a^4 -4a^2 -5a +2

= a^4 -6a^2 -8   :)  voila that's your answer

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Looking for some help!
klasskru [66]

Answer:

  • 5√2
  • 16

Step-by-step explanation:

<u>Use the property of 45 degree right triangles</u>

  • c = a√2, where c- hypotenuse, a = legs

<u>Top diagram</u>

  • x = 5√2

<u>Bottom diagram</u>

  • x = 8√2(√2) = 16

5 0
3 years ago
Jaquan washes cars for his neighbors on the weekends. Jaquan uses the same amount of water for each car he washes. the point on
fiasKO [112]

The amount of water for washing x cars is y = 12x, and 72 gallons would be needed to wash 6 cars.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The standard form of a linear equation is given as:

y = mx + b

Where m is the rate of change and b is the y intercept (initial value of y)

Let y represent the amount of water Jaquan uses to wash x cars, Using the point (2, 24) and (5, 60):

y - 24 = [(60 - 24)/(5- 2)](x - 2)

y = 12x

For 6 cars:

y = 12(6) = 72

The amount of water for washing x cars is y = 12x, and 72 gallons would be needed to wash 6 cars.

Find out more on equation at: brainly.com/question/2972832

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4 0
2 years ago
Mountain ranges often appear on the edges of continents. What theory does this support?
777dan777 [17]

sorry hindi po maintindihan

7 0
2 years ago
The ratio for mixing mortar using sand, lime and cement is 3:2:1.
yulyashka [42]

Answer:

Sand: 21 parts.

Lime : 14 parts.

Cement: 7 parts.

Step-by-step explanation:

The number of parts is 3 + 2 + 1 = 6.

So for 42 parts we need:

Sand: 3/6 * 42 = 1/2 * 42 = 21.

Lime:  2/6 * 42 = 1/3 * 42 = 14,

Cement: 1/6 * 42 = 7.

3 0
3 years ago
Can someone help me with 3 and 4
Nadusha1986 [10]

Answer:

x÷3+10 (if x=15)

15÷3+10

5+10

15

4 0
2 years ago
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