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rodikova [14]
3 years ago
13

Solve 4x - 5x + 2 = 3(2x - 4) A. 2 B. 3 C. 4 D. 5

Mathematics
1 answer:
aliina [53]3 years ago
3 0

Answer:

The true answer is A

Step-by-step explanation:

- x + 2 = 6x - 12

- x - 6x = - 12 - 2

- 7x = - 14

x = - 7 : - 14

X = 2

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If x-2 is one of the factors of x^4-kx^2+4, find the value of k.
Andrei [34K]

Step-by-step explanation:

Given expression is x⁴-kx²+4 =0

x−2 is a factor of the given expression.

So, x=2

Substitute in the equation, we get

2⁴-k(2)²+4

⇒16+4k+4=0

⇒4k=−20

⇒k=−5

8 0
3 years ago
Find the arc length of the partial circle.
nalin [4]

Answer:

1/2 pi

Step-by-step explanation:

This is 1/4 of a circle

Find the  circumference and multiply by 1/4

1/4 C

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7 0
3 years ago
Read 2 more answers
A high school has a total of 850 students. there are 60 more female students than there are make students?
Mrac [35]
Hey. Let me help you on this one.

Let's break this problem down so it's easier for us to comprehend it.

There are 850 students in the school, and the amount of female students equals to the amount of male students + sixty additional females.

Amount of students in school = 850 students

Male students = X

Female students = X+60

Let's form an equation so we can work with what we have.

X+(X+60)=850

Subtract 60 from both sides.

X+X=790

Simplify

2X=790

Divide both sides by 2.

X=395

Answer: There are 395 male students, and 455 female students.

3 0
3 years ago
What is 0.1 repeating as a fraction​
marta [7]

Answer:1/9

Step-by-step explanation:

5 0
3 years ago
Given line m is parallel to line n. What theorem or postulate justifies the statement? ∠1 ≅ ∠4
natima [27]

Answer:

corresponding angles postulate

Step-by-step explanation:

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6 0
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