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mafiozo [28]
3 years ago
10

Evaluate the expression when c= -4 and x=5x-4c​

Mathematics
2 answers:
konstantin123 [22]3 years ago
8 0

Answer:

21

Step-by-step explanation:

Fill in x into 5 and c into -4

5-4(-4)

21

WINSTONCH [101]3 years ago
5 0

Answer: -11

Step-by-step explanation:

x=5

and

c=4

the equation written in numbers is:

5-4x4 which simplified equals 5-16

this equals 5-5-11 so it should be -11

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What is an equation of the line that is perpendicular to y=-3/4x+6 and passes through the point (3,9)
goldenfox [79]

Answer:

y=\frac{4}{3}x+5

Step-by-step explanation:

The line y= -3/4+6 in the comments has slope -3/4. A perpendicular line will have the negative reciprocal of -3/4. It's 4/3.

To write the equation, substitute 4/3 and the point (3,9) into

y-y_1 = m(x-x_1)

y-9=\frac{4}{3}(x-3)\\\\y-9=\frac{4}{3}x -\frac{4*3}{3}\\\\y-9=\frac{4}{3}x-4\\\\y=\frac{4}{3}x+5

5 0
4 years ago
He formula for density is given by , where p is density, M is mass and V is volume. If a substance has a mass of 27.82 grams and
Vera_Pavlovna [14]

Answer:

p = [27.82] ÷ [3.6]

p = 7.727·

p = 7.728 (3dp)

The answer is B)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
1/4x+2=-4 how do you do this step by step?​
Sonbull [250]

Answer:

6.25 is the answer, I really dfon't know how to figure out which would be the procedure becuase I'm a little oxidated

4 0
3 years ago
PLS HELP ME WITH THIS QUESTION
andreyandreev [35.5K]

Answer:

-0.88

Step-by-step explanation:

(w^2/x - 3)÷ 10.z

(-6/1.2 - 3)÷ 10. -6/7

(-5-3)÷ 9.14

(-8)÷ 9.14

-8/9.14

= -0.88

3 0
3 years ago
What is the next fraction in this sequence? Simplify your answer.​
ra1l [238]

another sequence is 19/480

3 0
3 years ago
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