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nexus9112 [7]
2 years ago
10

An appliance store sells a washer-dryer combination for $2650. If the washer cost $425 more than the dryer, find the cost of eac

h appliance
Mathematics
2 answers:
Yuri [45]2 years ago
5 0

Answer:

dryer= 1112.5

washer= 1537.5

Step-by-step explanation:

so we will use algebra to solve this by equating the dryer to "x" and washer to "x + 425"

dryer = x

washer = x + x + 425 = 2650

we collect the like terms by adding x + x

2x + 425 = 2650

the 425 crosses the equal sign hence becoming minus

2x = 2650 - 425

2x = 2225

x=2225/2

x = 1112.5

if you rember we uquated the ddyer to x meaning the dryer = 1112.5

meaning the washer = 1112.5 + 425 because of (x + 425) = 1537.5

skad [1K]2 years ago
4 0

Make an equation:

x + x + 425 = 2650

Isolate the variable:

2x = 2225

x = 1112.5

Now that we know what X is, we know that X + 425 will equal the cost of the second appliance

1112.50 + 425.00

= 1,537.50

I really hope this answer helps you out! It makes my day helping people like you and giving back to the community that has helped me through school! If you could do me a favor, if this helped you and this is the very best answer and you understand that all of my answers are legit and top notch. Please mark as brainliest! Thanks and have a awesome day!

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3 years ago
A circle has a circumference of 10. It has an arc length of 9/2. What is the central angle of the arc in degrees?
dem82 [27]

Answer: The central angle of the arc is 162 degrees.

Step-by-step explanation: The information available are as follows;

Circumference of the circle equals 10. Length of an arc equals 9/2. The circumference of a circle is given as;

Circumference = 2Pi x r

That means 2Pi x r = 10.

Also the length of an arc along the same circle is 9/2. Length of an arc is calculated as;

Length of arc = (X/360) x 2Pi x r

Where X is the central angle of the arc

That means;

9/2 = (X/360) x 2Pi x r

We can now substitute for the known values as follows

Length of an arc = (X/360) x 2Pi x r

9/2 = (X/360) x 10

9/2 = 10X/360

By cross multiplication we now have

(9 x 360)/(2 x 10) = X

3240/20 = X

162 = X

The angle at the center of the arc is 162 degrees.

6 0
3 years ago
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2 years ago
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Aleksandr-060686 [28]

Answer:

A.

C.

E.

Step-by-step explanation:

A

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B

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