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3 years ago

HELP PLEASE WILL GIVE BRAINLISTTTTTTTTTTT

Mathematics

1 answer:

Mamont248 [21]3 years ago

5 0

Answer:

C) 2/9

Step-by-step explanation:

1. you add up all of the marbles (18)

2. you find how much blue marbles are out of that sum of the total marbles (4/18)

3. simplify if possible (2/9)

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Solve using elimination 5x+7y=9 <br> 2x-3y=-37

uranmaximum [27]

Answer:

x = -8

y = 7

Step-by-step explanation:

5x + 7y = 9

2x - 3y = -37

1.) First, multiply each side to match either y-values or x-values. (In this example, we'll use match x-values)

10x + 14y = 18 (multiplied by 2)

10x - 15y = -185 (multiplied by 5)

2.) Then, subtract the entirety of one equation to isolate the y-value.

10x + 14y = 18

-10x + 15y = 185

3.) Add and subtract values and divide to find y.

29y = 203

y = 7

4.) Plug-in y to solve for x into one equation, or repeat steps 1-3.

15x + 21y = 27

14x - 21y = -259

29x = -232

x = -8

4 0

2 years ago

Which expression shows twice the sum of 8 and a number n?

IRISSAK [1]

Correct Answer: A. 2(n+8).

6 0

3 years ago

F(x)= -1/3x+13 when value is f(-3)

almond37 [142]

Answer:

Step-by-step explanation:

f(x)=-1/3x+13

f(-3)=-1/3(-3)+13

f(-3)=3/3+13

f(-3)=1+13

f(-3)=14

4 0

2 years ago

What is the equation of the line shown in this graph?Enter your answer in the box.

Jobisdone [24]

Y=1 we can check this by looking at the slope of the line: m=
$\frac{1 - 1}{2 + 4}$
so m=0. By looking at the graph we know our y-int is 1. By plugging in this information into the equation of a line we get the following: y=0x+1. That is y=1

5 0

3 years ago

Read 2 more answers

What is the answer to 5 + 7x – (2x + 3)

VikaD [51]

Answer:

2+5x?

Step-by-step explanation:

3 0

3 years ago