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AnnyKZ [126]
3 years ago
15

Helppppp mereeeeeeeeeee

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

A. (x-5)(x-7)

B. It means the zeroes of the graph are at (5,0) and (7,0)

Step-by-step explanation:

A

find what + what equals -12, and multiples to 35.

List all multiples of 35.

1 35

<em>5 7</em>

- 12 is negative so that means it is -5 and -7

(x-5)(x-7)

B

The factor numbers are where the zeroes on a graph are, <u>but</u> whatever is in parenthesis, the number is opposite on a graph (e.g. if it was (x-3), the zero would be (3,0)

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50 points ! marking brainly to whoever gets all 5 correct !
Svetradugi [14.3K]

1. 5

2. 7-3 root 3

3. 6

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3 0
3 years ago
Which of the following expression is equal to x^2+25?
nignag [31]
A: (x + 5i)^2
= (x + 5i)(x + 5i)
= (x)(x) + (x)(5i) + (5i)(x) + (5i)(5i)
= x^2 + 5ix + 5ix + 25i^2
= 25i^2 + 10ix + x^2


B: (x - 5i)^2
= (x  +   - 5i)(x +  - 5i)
= (x)(x) + (x)(- 5i) + (- 5i)(x) + (- 5i)(- 5i)
= x^2 - 5ix - 5ix + 25i^2
= 25i^2 - 10ix + x^2


C: (x - 5i)(x + 5i)
= (x +  - 5i)(x + 5i)
= (x)(x) + (x)(5i) + (- 5i)(x) + (- 5i)(5i)
= x^2 + 5ix - 5ix - 25i^2
= 25i^2 + x^2


D: (x + 10i)(x  - 15i)
= (x + 10i)(x +  - 15i)
= (x)(x) + (x)(- 15i) + (10i)(x) + (10i)(- 15i)
= x^2 - 15ix + 10ix - 150i^2
=  - 150i^2 + 5ix + x^2



Hope that helps!!!

6 0
3 years ago
Read 2 more answers
Whats the answer to 4.2v-5-6.5v=
yaroslaw [1]

Answer:

2.3

v

−

5

Step-by-step explanation: your welcome

8 0
3 years ago
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What's is jiri's age ? <br> Pamela is 5 years younger than jiri. The sum of their ages is 37
Mars2501 [29]
If Jiri is x, Pamela is x -5, and tehri ages combined would be 35 so;
x + x-5 = 35
collect the like terms
2x-5 = 35
add five to both sides
2x= 40
divide both sides by 2
x=20
Jiri's age is 20
6 0
3 years ago
What is the common difference in this sequence?{48, 32, 16, 0, ...
julia-pushkina [17]
The common difference in this sequence is -16 because each number decreases by 16 from the last
8 0
2 years ago
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