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lianna [129]
3 years ago
11

I need help on this​

Mathematics
2 answers:
earnstyle [38]3 years ago
7 0
0,85*0,9=0,765 same with the other that means that the price will be reduced by 23,5 percent (1-0,765). And the change factor för 25% is 0,75 so you will get the best price with 25%
MrMuchimi3 years ago
5 0

Answer:

25% off

Step-by-step explanation:

Let's say we have an item that costs $20

1: 15% off then 10% off

100-15=85

20*0.85=17

100-10=90

17*0.9=15.3

2: 10% off then 15% off

100-10=90

20*0.9=18

100-15=85

18*0.85=15.3

3: 25% off

100-25=75

20*0.75=15

The best deal is 25% off

Hope this helps!

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A bike shop rents each of its mountain bikes for a one time $4.00 insurance charge plus $2.50 per hour create an equation that r
egoroff_w [7]

Answer:

y=2.50x+4.00

Step-by-step explanation:

Let

x -----> the number of hours

y ----> the total cost to rent a bike in dollars

we know that

The equation of the line in slope intercept form is equal to

y=mx+b

where

m is the slope or the unit rate of the linear equation

b is the y-intercept or the initial value

In this problem we have

The unit rate or slope is equal to

m=\$2.50\ per\ hour

The y-intercept (value of y when the value of x is equal to zero) is equal to

b=\$4.00 ----> (fee charge)

substitute the values

y=2.50x+4.00

5 0
4 years ago
If two supplementaryangles are in the ratio 2:3, find the angles.
kramer
The angles are 72 degrees and 108 degrees.

Explanation:

Angle 1 : Angle 2 = 2 : 3
Angle 1 = 2k
Angle 2 = 3k

Angle 1 + Angle 2 = 180 (supplementary angles)
2k + 3k = 180
5k = 180
k = 36

Angle 1 = 2k = 2 x 36 = 72 degrees
Angle 2 = 3k = 3 x 36 = 108 degrees
5 0
3 years ago
Find the value of y. Round your answers to the nearest tenth
ANTONII [103]

Answer:

y ≈ 4.3

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

\frac{AB}{RS} = \frac{ED}{VU} , substitute values

\frac{6}{4} = \frac{8}{y+1} ( cross- multiply )

6(y + 1) = 32

6y + 6 = 32 ( subtract 6 from both sides )

6y = 26 ( divide both sides by 6 )

y ≈ 4.3 ( to the nearest tenth )

4 0
3 years ago
Read 2 more answers
What is the inverse of y = 2x - 1?
borishaifa [10]
Option 2 because it is the opposite
5 0
3 years ago
Read 2 more answers
Maurice buys a dozen of donuts on sale for $7.99 before tax.
adoni [48]

Answer:

$8.30

Step-by-step explanation:

7.99 + 4% = 8.30

5 0
3 years ago
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