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german
3 years ago
7

a friend uses the distributive property to simplify 4(2b-5) and gets 8b - 5 as the result. describe and correct the error.

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0

well it would be 8b - 20 because you have to multuply by 4 on 5 too not just 2b

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I need help with this fast! Thanks!
zavuch27 [327]

Answer: 8 1/20 or 8.05.

Step-by-step explanation: First you would want to make 9 3/4 - 2 1/5 to 39/4 - 11/5. We need to get the LCD or Least Common denominator of 4 and 5, which is 20. The rule is what you multiplied the denominator by you must multiply the numerator by, so our new equation is 195/20 - 44/20, which is 151/20. Now, we have to find the LCD of 2 and 20, which is 10. So 151/20 + 10/20 is 161/20 or 8 1/20.

4 0
3 years ago
QUICK HELP - Match each equation with the value of
ser-zykov [4K]

Answer:

1. x=10

2.x=8

3.x=10

4.x=5

Step-by-step explanation:

Plug in the x values below into the questions and what ever works is the answer so make the left side equal the right side

5 0
3 years ago
Read 2 more answers
Answer...............
aev [14]

In the given graph point B is a relative maximum with the coordinates (0, 2).

The given function is y=x^{4}-2x^{2} +1.

In the given graph, we need to find which point is a relative maximum.

<h3>What are relative maxima?</h3>

The function's graph makes it simple to spot relative maxima. It is the pivotal point in the function's graph. Relative maxima are locations where the function's graph shifts from increasing to decreasing. A point called Relative Maximum is higher than the points to its left and to its right.

In the graph, the maximum point is (0, 2).

Therefore, in the given graph point B is a relative maximum with the coordinates (0, 2).

To learn more about the relative maximum visit:

brainly.com/question/2321623.

#SPJ1

8 0
2 years ago
The area of a square room is 256 square feet. Find the dimensions of the room.
crimeas [40]
64ft 256 divided by 4 since it is a square they are all even <span />
6 0
3 years ago
What is the value of the expression (x – y 2 when x = 5 and y = –1 ?
ArbitrLikvidat [17]
We have to find the value of the expression:
( x - y )² ; when x = 5 and y = - 1.
( 5 - ( - 1 ) )² = ( 5 + 1 )² = 6² = 36
Answer: the value is 36.
3 0
4 years ago
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