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kotykmax [81]
3 years ago
10

How much does 7 3/4 yd of silk ribbon cost if 4/5 yd costs $5.60?

Mathematics
1 answer:
spin [16.1K]3 years ago
4 0
You will get the answer on cross multiplying

31/4 = x
4/5 = $5.6
(31/4 x 5.6)/4/5 = x
(31/4 x 5.6) x 5/4 = x
x = $54.25

Hope this helps you!
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Someone please help me
riadik2000 [5.3K]

Answer:

5.625

Step-by-step explanation:

So first do 112 / 360

Simplify it = 28 / 90 = 14 / 45

So 1.75 is 14 / 45 of the circumference.

The whole circumference is 1.75 * (45 / 14)

So the answer is 45 / 8 = 5.625

3 0
2 years ago
A car sells for 16,000. If the rate of depreciation is 18%, find the value of the car after 8 years.
Black_prince [1.1K]

Answer:

Step-by-step explanation:

price after 8 years Amount=P(1-0.18)^8

Amount=16,000(1-0.18)^8

=16,000(0.82)^8

≈3270.63 $

6 0
2 years ago
-7c+9=c+1 <br> If you could also show how you did it i would appreciate it
Step2247 [10]
-7c+9=c+1    (subtract c on both sides)
-8c+9=1    (subtract 9 on both sides)
-8c=-8     (divide by -8 on both sides to get c by its self)
c=1
your answer is 1.
5 0
2 years ago
Read 2 more answers
What is a parallel line to y= -2/3x+3
Natali5045456 [20]

Answer:

-2/3

Step-by-step explanation:

because this is in slope intercept form, m is the slope, so in this case -2/3 is the slope

parallel lines always have the same slope and different y-intercepts

a parallel line could be y=-2/3 +15

4 0
3 years ago
The point,(-2,3) is a solution to the following system. y&gt;-2x-2 and y&lt; 3<br>true or false​
bija089 [108]

Answer:

false

Step-by-step explanation:

y>-2x-2

3>-2(-2) -2

3>4 -2

3>2

y< 3

3< 3

4 0
3 years ago
Read 2 more answers
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