All categories

3 years ago

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

You might be interested in

(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 smallest:

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

Do butterfly method and you should get this:

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

Setup proportion to solve for the largest:

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

Butterfly method:

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

4 0

2 years ago

Solve the system of equation 8x+5y=24 y=-4x

Natasha_Volkova [10]

Answer:

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

Step-by-step explanation:

8x+5y=24

y=-4x

----------------

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 !! -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

7 0

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

$\frac{1000}{5} = 200$

7 0

2 years ago