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Afina-wow [57]
3 years ago
13

Can anyone help me with this Question

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0
15/x = 40/100. Cross multiply to get 1500 = 40x. Divide by 40 on both because you want to isolate the variable. The idem would originally cost $37.50. To check your answer you would substitute your equation and get 15/37.5 = 40/100. Just so you know a decimal can be in a fraction. Cross multiply to get 1500 = 1500. <span />
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On a board measuring 1x100, each square is numbered from
max2010maxim [7]

Answer:

97

Step-by-step explanation:

Given the following conditions :

board measuring 1x100, each square is numbered from 1 to 100

Three colors are used to paint the squares from left to right in the sequence :

one blue, two reds and three green squares in a repeated pattern.

What is the highest numbered square that is painted blue?

The sequence of painting is repeated after :

(1 + 2 + 3) = 6 successive squares

Since the number of squares = 100

Maximum complete repetition possible :

100 / 6 = 16 remainder 4

Hence 16 * 6 = 96 (the highest complete sequence terminates on the square numbered 96)

On the 97th square, another sequence begins which is a blue and the 100th square is painted the first of the 3 green colors.

Hence, the highest numbered square that is painted blue is 97

5 0
3 years ago
Read 2 more answers
What is 50 divided by 48 in all kinds of forms
galben [10]
You put it 48 divide 50 which equally 0.96 or 50 divide 48 which equal 1.04166666667

7 0
2 years ago
An outdoor hockey rink has dimensions of 8m long by 5m wide. The wood
amid [387]

Answer:

First question = 800 cm^3

Second question =120π

Step-by-step explanation:

The formula for volume is base x height x width.

The formula for area of cylinder is 2πrh+2πr^2 but it has no lid so

2πrh+πr^2.

4 0
3 years ago
The jewerly store is having a sale. Necklaces that were regulaey priced at $23.50 are on dale for $18.80. What is the percentage
AveGali [126]
What we need to do is find the difference between the two numbers to find the difference in price and then figure out what the percent of 23.5 that is

23.50-18.80=4.7

now we'll set up a proportion

4.7       x
----- = -----
23.5   100

then cross multiply and divide

100×4.7=470/23.5=20

the percent of decrease is 20%

I hope I've helped!
8 0
3 years ago
Solve. 8x² + 5 = 35 Round to the nearest hundredth. Enter your answers in the boxes. The solutions are approximately and .
lora16 [44]

Answer:

x=1.94

x = - 1.94

Step-by-step explanation:

8x² + 5 = 35

Subtract 5 from each side

8x² + 5-5 = 35-5

8x²  = 30

Divide each side by 8

8x² /8 = 30/8

x² = 15/4

Take the square root of each side

sqrt( x²) = ±sqrt(15/4)

x = ±sqrt(15/4)

x=1.93649

x = - 1.93649

To the nearest hundredth

x=1.94

x = - 1.94

4 0
2 years ago
Read 2 more answers
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