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aleksklad [387]
2 years ago
13

WILL RECIEVE BRANILIEST IF ANSWERED CORRECT

Mathematics
1 answer:
Klio2033 [76]2 years ago
4 0

Answer:

B

Step-by-step explanation:

The answer is B because we can estimate by seeing that: 3 x 3 = 9, so henceforth the answer must be between 3 and 4, so it must be B.

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What is the value of 2x^3+7x^2-19x-6 if the value of x is -1
Paul [167]

Answer:

-40

Step-by-step explanation:

Let's input x into all of the slots.

-2^{2}+-7^{2}+19-6

Now, let's solve!

-4-49+19-6

-40

So, the answer is -40!

5 0
3 years ago
In a sample of 138 teenagers, 38 have never been to a live concert. Find the sample proportion for those who have never been to
Aleks04 [339]
138 : 38
total : never went to a live concert
4 0
3 years ago
SOMEONE HELP PLEASE HELP
kotegsom [21]

triangle XBR is similar to triangle YNJ.


Similar triangles are triangles with lengths in proportion, and congruent corresponding angles. When naming a similar triangle, the letters or vertexes are listed in a certain order. For instance, angle X is the same as angle Y so those two letters have to be in the same position. In this case, they are both the first letters. Angle B is congruent to angle N and angle R is congruent to angle J so they will also have to be in corresponding positions. The side lengths are extraneous information that can be used to check, but otherwise I would just stick with angles. Hope this helps!

6 0
4 years ago
The number or variable for 5 is the number 4, and there’s a negative sign in between. For the parentheses in front of the 6 ther
Amiraneli [1.4K]

Answer:

11x^4

Step-by-step explanation:

The double negative automatically makes something positive. Your new expression is 5x^4 + 6x^4.

The only other thing you need to do is combine like terms by adding them together.

11x^4

3 0
3 years ago
Please help asap 20opts
Rainbow [258]
The answer is A because we simplify the 7 b by subtracting 6 b which gives us 1 b but in this case it will just be B and then we add 7c
7 0
4 years ago
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