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likoan [24]
3 years ago
9

A computer store buys a computer system at a cost of $450.20. The selling price was first at $710, but then the store

Mathematics
1 answer:
anygoal [31]3 years ago
8 0

Answer:

i believe it is 497 after the 30% mark down

Step-by-step explanation:

i subtracted 30% from 710

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(I’ll mark brainliest ) The cross country running team is hosting their first home race and needs to plan and set up the course.
Aneli [31]

Answer:

Smallest: 15,840 ft

Largest: 16,896 ft

Step-by-step explanation:

1 mi = 5,280 ft

Setup proportion to solve for the <u>smallest</u>:

\frac{1mi}{5,280ft} =\frac{3mi}{xft}

Do butterfly method and you should get this:

xft=3(5280)\\x=15,840ft

Setup proportion to solve for the <u>largest</u>:

\frac{1mi}{5,280ft} =\frac{3.2mi}{xft}

Butterfly method:

xft=3.2(5280)\\x=16,896ft

4 0
2 years ago
Solve the system of equation 8x+5y=24<br> y=-4x​
Natasha_Volkova [10]

Answer:

x=-2, y=8. (-2, 8).

Step-by-step explanation:

8x+5y=24

y=-4x

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8x+5(-4x)=24

8x-20x=24

-12x=24

x=24/-12

x=-2

y=-4(-2)=8

8 0
2 years ago
Read 2 more answers
Two numbers are the ratio 3:2. If the smaller number is 24, find the larger number.
erastova [34]
Basically, you try to find 2 numbers that divide to 3/2. So, using trial and error, plug in numbers for x in this expression: x/24=3/2, and solve to find the number that makes it true. You end up getting 36/24=3/2. Hope that helps! :)
5 0
3 years ago
Calculate- (with work pleasee) i really need it !!<br> -0.2(x-20)=44-x
erica [24]

Answer:

x=50

Step-by-step explanation:

-0.2(x-20)=44-x

Distribute

-0.2x+4=44-x

Add x to each side

-.2x +4+x = 44-x+x

.8x+4 = 44

Subtract 4 from each side

.8x+4-4 = 44-4

.8x = 40

Divide each side by .8

.8x/.8 = 40/.8

x=50

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2 years ago
Share £1000 in the ratio of 3 : 2
Delvig [45]

Answer:

3 : 2 \\ £600 : £400

Step-by-step explanation:

Total shares = 3+2 = 5

\frac{1000}{5}  = 200

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