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2 years ago

7. A sweater that costs $50.00 is on sale for 45% off. What will the sweater cost after the

Mathematics

1 answer:

Viktor [21]2 years ago

6 0

Answer:

27.50

Step-by-step explanation:

I'm the one who just commented for you this is what I thought good luck.

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Please help! How do I solve this

Monica [59]

Answer:

(x,y) --> (-1, -3)

Step-by-step explanation:

Solve by elimination...

2x - 3y = 7

4x + y = -7 (times 3; so -3y and 3y cancel out)

2x - 3y = 7

12x + 3y = -21

2x = 7

12x = -21

add together...

14x = -14

x = -1

plug x into one of the original equations and solve for y...

-2 - 3y =7

-3y = 9

y = -3

8 0

2 years ago

5.<br> {wawawawawawawawawawawa}

Harrizon [31]

Answer:

35mc

Step-by-step explanation:

7 0

2 years ago

Help please!!! photo above

Viktor [21]

Answer:

5<*line under* x >*line under*9

I think

4 0

2 years ago

you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct

bulgar [2K]

Answer:

A) 26.563 miles in total

B) 1.977 more miles

Step-by-step explanation:

for the first question, add all the values together. for the second question, take the amount jade ran and subtract the amount noah ran from it to get how much more jade ran.

3 0

2 years ago

How would I do this? What would it be?

Igoryamba

Answer: $x=80$

Step-by-step explanation:

By definition, the sum of the exterior angles of a polygon is 360 degrees.

Knowing this, you can write the following equation:

$(x+8)+(2x+12)+(x+20)=360$

Then, you must solve for "x" in order to find its value. To do it, you can follow these steps:

1. You need to add the like terms:

$(x+8)+(2x+12)+(x+20)=360\\\\4x+40=360$

2. Now, subtract 40 from both sides of the equation:

$4x+40-(40)=360-(40)\\\\4x=320$

3. Finally, you must divide both sides of the equation by 4. Then:

$\frac{4x}{4}=\frac{320}{4}\\\\x=80$

7 0

2 years ago