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solmaris [256]
3 years ago
12

I need help with the questions in the pictures

Mathematics
1 answer:
Inessa [10]3 years ago
6 0
Oh geez they poor lol
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PLEASE HELPP ASAP ITS DUE IN 10 min AND I AM COMPLETELY STUCKK
likoan [24]

Answer:

40

Step-by-step explanation:

Ratio of cars to total:

32:80

so we can make another ratio with x

x:100

now make them fractions and cross-multiply

32/80 = x/100

32(100) = 80x

80x = 3200

x = 40

8 0
2 years ago
Read 2 more answers
What is the following quotient? 6-3(3 √8)/3 √9
WARRIOR [948]

Answer:

Factor the numerator and denominator and cancel the common factors.

Exact Form:

2

3

√

3

−

3

√

18

Decimal Form:

0.26375774

5 0
3 years ago
Read 2 more answers
Please help answer this questions ​
vichka [17]

Answer: Since the dependent variable is the height in cm, and the independent variable is the color of light, then a testable question could be "Will the color of a lamp affect the height of plants?"

7 0
3 years ago
The area of an interactive whiteboard is 3000 square inches, and its perimeter is 220 inches. find the dimensions of the whitebo
Rama09 [41]

Answer:

50, 60, 50, and 60

Step-by-step explanation:

xy = 3000

2x + 2y = 220

Rewrite the second equation

y = -x + 110

Substitute this into the first equation.

x(-x + 110) = 3000

-x^2 + 110x - 3000

Divide by -1

x^2 - 110x + 3000

(x - 60) (x - 50)

x = 60, 50

When x = 60, y = 50 and vice versa, so the sides are 50, 60, 50, and 60.

3 0
3 years ago
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Percents
Nana76 [90]

Answer:

As a percent: 115%

As a decimal: 1.15

As a fraction: \frac{23}{20}

Step-by-step explanation:

<u>Percentages</u>

Suppose Michael spends some amount of money on food, and that money is set at 100%. He leaves a 15% tip for the waitress.

Thus, he is really paying 100%+15% = 115% of the original price.

To express a percentage as a decimal, we just divide by 100:

115% = 115/100 = 1.15

The same division should be simplified instead of operated to express the percentage as a fraction:

115% = \frac{115}{100}

Simplifying by 5:

115% = \frac{23}{20}

Summarizing:

As a percent: 115%

As a decimal: 1.15

As a fraction: \frac{23}{20}

5 0
3 years ago
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