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Mariulka [41]
3 years ago
9

Will mark BRAINELIST please answer!

Mathematics
1 answer:
ratelena [41]3 years ago
7 0

Answer:

all i know is A and it is -1,-2

Step-by-step explanation:

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If using the method of completing the square to solve the quadratic equation x2 + 3x - 17 = 0, which number would have to be add
MatroZZZ [7]

Answer:

Step-by-step explanation:

To solve using completing square, we need to write the equation as x2+3x=17.

The next step is to add a number such that the square can be completed. The number must be equal to (b/2a)^2, so here it will be (3/2)^2 = 9/4

The equation then becomes x2+3x+(9/4)=17+(9/4).

Solving it further will get you the final answer

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Bradley answered 80% of the questions on his science test correctly. There were 30 questions on the test, and all the questions
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24 correct questions

Step-by-step explanation:

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3 years ago
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(3x²+4x-1) + (-2x²-3x+2)
Vedmedyk [2.9K]

Answer:

(3x²+4x-1) + (-2x²-3x+2)

3x²+4x-1 -2x²-3x+2

3x²-2x²+4x-3x-1+2

x²+x+1

5 0
3 years ago
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What is the next term in the geometric sequence 4, -12, 36
Ilia_Sergeevich [38]
The sequence is to multiply by -3.  Therefore, you want to multiply by -3 which gives you 108.  Since it is a negative by a positive the answer would be negative.  The next term would be -108.
7 0
3 years ago
I WILL MAKE WHOEVER ANSWERS THIS CORRECTLY THE BRAINLIEST :D Rei is barricading a door to stop a horde of zombies. She stacks bo
ivann1987 [24]

Answer:

See below.

Step-by-step explanation:

Well first, we need to find the weight of the table. We know that 8 boxes weighs a total of 240kg (since each box weights 30kg). Thus, we can conclude that the table weighs 70kg by doing 310-240=70.

Now, we can write our function. Let x equal the amount of boxes.

The table is a set weight, so that would be our constant.

Thus, we will have:

f(x)=30x+70

30x represents the weight each box of book adds to the total. One box equals 30kg, 2 boxes equal 60kg, etc.

The 70 represents the unchanging weight of the table.

In terms of W(x), it will be:

W(x)=30x+70

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3 years ago
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