4 years ago

Help me with all of them plzzz eleven Points

Mathematics

2 answers:

irina [24]4 years ago

5 0

122 with 58
35 with 145
62 with 118
105 with 75

Likurg_2 [28]4 years ago

5 0

1. Is 24/30 sorry can't help with the rest

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Our solution. (Examples 1--4)<br>| 2. –3 +8n = -5

Vinil7 [7]

Answer:

n=1/4 or .25

Step-by-step explanation:

-3+8n=-5

8n=3+(-5)

8n=2

n=2/8

n=1/4 or .25

7 0

3 years ago

A company rents cars for a fee of 30$plus 10$ per hour of use. Write an algebraic expression for the total cost for renting the

Georgia [21]

30+10xh p.s. x equals the times symbol if you didnt know

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3 years ago

The manager of the zoo where the ticket price for an adult is $9.50 and the ticket price for a child is $6.50 wants to make at l

Y_Kistochka [10]

Answer:

$9.5x+6.5y\geq $800$

Step-by-step explanation:

9.5 in value of adult tickets. 6.5 is value of children's tickets. combined selling of all of them should be greater than or equal to 800 ("atleast" in the question shows it can be more but cannot be less)

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3 years ago

Which reason best explains why carbon is able to form macromolecules?

Anna11 [10]

Carbon is the biggest element in the world

5 0

3 years ago

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R(x)=f(x)−g(x), where f(x)=x+1/x+3 and g(x)=x+17/x^2−x−12.

aliya0001 [1]

Answer:

$\frac{x^2-4x-21}{(x+3)(x-4)}$

Step-by-step explanation:

R(x)=( $\frac{x+1}{x+3}$ )-( $\frac{x+17}{x^(2)-x-12}$ )

R(x)=( $\frac{x+1}{x+3}$ )-( $\frac{x+17}{(x+3)(x-4)}$ )

R(x)= $\frac{(x+1)(x-4)}{(x+3)(x-4)}$ - $\frac{x+17}{(x+3)(x-4)}$

R(x)= $\frac{x^2-3x-4-x-17}{(x+3)(x-4)}$

R(x)= $\frac{x^2-4x-21}{(x+3)(x-4)}$

8 0

3 years ago