2 years ago

What is C. PLEASE HELP ME IM SO CONFUSED!!!

Mathematics

1 answer:

vichka [17]2 years ago

5 0

100-28-48-8= 16%

Hope it helped

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Y = 5+5(x-8) Can someone please solve this?

vekshin1

y = 5+5(x-8)

y = 5 + 5x - 40

y = 5x - 35

7 0

3 years ago

What is the speed of a bus that travels 250 km in 2 hours

Ber [7]

The speed of a bus that travels 250 km in 2 hours is 145 because you have to divide 250 km and 2 hours which gives 145.

Hope this helps:)

8 0

3 years ago

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Juan went to Walmart to buy notebooks and

9966 [12]

Answer:

Juan went to Walmart to buy notebooks and

highlighters for his classes. Notebooks cost $3

while highlighters cost $4. Juan bought 12 items

and he spent a total of $42. Write a system of

equations that describes this situation

Step-by-step explanation:

3+4÷42

8 0

3 years ago

13. 2 – (–8) + (–3) = A. 1 B. 12 C. 7 D. 14

baherus [9]

ANSWER

C. 7

EXPLANATION

We want to evaluate

$2 - ( - 8) + ( - 3)$

We use the order of operations PEDMAS.

Dealing with the parenthesis first,we have

$2 - - 8+- 3$

Note that:

$- - = +$

and

$- + = -$

Our expression now becomes:

$2 + 8 - 3$

Next, we add to get:

$10 - 3$

We finally subtract to get,

$7$

The correct answer is C

7 0

3 years ago

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Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth.

lakkis [162]

$\sf 5x+2y=21$
$\sf -2x+6y=-34$

We could solve for 'x' in the 2nd equation and then plug that into the first equation for 'x' and solve for 'y':

$\sf -2x+6y=-34$

Subtract 6y to both sides:

$\sf -2x=-6y-34$

Divide -2 to both sides:

$\sf x=3y+17$

Plug in 3y + 17 for 'x' in the first equation:

$\sf 5x+2y=21$

$\sf 5(3y+17)+2y=21$

Distribute 5:

$\sf 15y+85+2y=21$

Combine like terms:

$\sf 17y+85=21$

Subtract 85 to both sides:

$\sf 17y=-64$

Divide 17 to both sides:

$\boxed{\sf y\approx -3.8}$

This is the y-coordinate of the solution.

5 0

3 years ago

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