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olga_2 [115]
2 years ago
10

Trees are planted along a road it is to kilometers 50 m long 11 trees are planted at an equal distance apart along the road what

is the distance in meters between each tree
Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
3 0
Hmmm i think 56 i dont know...
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What is the slope intercept of 2y=14-4x
pentagon [3]
7, 14 would be it but you have to divide the whole equation by 2 to get the y alone
4 0
3 years ago
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When the expression $-2x^2-20x-53$ is written in the form $a(x+d)^2+e$, where $a$, $d$, and $e$ are constants, then what is the
Sladkaya [172]
We start with 2 x^{2} -20x-53 and wish to write it as a(x+d) ^{2} +e

First, pull 2 out from the first two terms: 2( x^{2} -10x)-53

Let’s look at what is in parenthesis. In the final form this needs to be a perfect square. Right now we have x^{2} -10x and we can obtain -10x by adding -5x and -5x. That is, we can build the following perfect square: x^{2} -10x+25=(x-5) ^{2}

The “problem” with what we just did is that we added to what was given. Let’s put the expression together. We have 2( x-5) ^{2}-53 and when we multiply that out it does not give us what we started with. It gives us 2 x^{2} -20x+50-53=2 x^{2} -20x-3

So you see our expression is not right. It should have a -53 but instead has a -3. So to correct it we need to subtract another 50.

We do this as follows: 2(x-5) ^{2}-53-50 which gives us the final expression we seek:

2(x-5) ^{2}-103

If you multiply this out you will get the exact expression we were given. This means that:
a = 2
d = -5
e =  -103

We are asked for the sum of a, d and e which is 2 + (-5) + (-103) = -106


7 0
3 years ago
Consider x^2 + (b/a)x = (-c/a). Which variable cannot have a value of zero? Justify your answer.
GREYUIT [131]
The answer is C because if something is divided by zero, it is undefined.
5 0
3 years ago
What’s the length of three pipes, when combined they equal 72m, how do I find the answer
allochka39001 [22]

Answer:

Each pipe is 24m

Step-by-step explanation:

<u>Given:</u>

  • three pipes
  • combined equal 72m
  • let the variable x represent the length of 1 pipe

<u>Algebraic Expression</u>:

3 pipes times length equals 72m (the total length)

3x = 72, we want x to be alone so divided both sides by 3

3x / 3 = 72 / 3

x = 24

Learn more about Algebraic Expression here: brainly.com/question/4344214

7 0
2 years ago
. If n(A)=2 n(B)=3 n(AՈB) =24, what is the value of n(AUB)?​
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Step-by-step explanation:

The answer is is the picture..

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2 years ago
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