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krek1111 [17]
3 years ago
7

What is 45% of 90 ?

Mathematics
2 answers:
Liula [17]3 years ago
4 0

Answer:

40.5

Step-by-step explanation:

This answer makes sense because we know that 50% of 90 is 45.

Since 45% of 90 is 40.5, we can self-check our answer.

Hope I helped!

~PumpkinSpice1♥

sergij07 [2.7K]3 years ago
4 0

Answer:

40.5

Step-by-step explanation:

1. Convert 45% into a decimal.

45%= .45

2. Multiply .45 by 90.

.45x90= 40.5

Your answer is 40.5.

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A cheetah's speed was timed over a set distance. The cheetah was clocked running 60 miles per hour. Which equation is the relati
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Answer:

D. y=70x

Step-by-step explanation:

The cheetah was clocked running 70 miles per hour.

i.e. in 1 hour cheetah covered 70 miles

in 2 hours cheetah covered 140 miles

in 3 hours cheetah covered 210 miles

in general, in n hour cheetah covered 70n miles

If y denote the distance covered

and x denotes the time cheetah runs

Then, y=70x

Hence, the equation which shows the relationship between the distance, y, and time, x, the cheetah runs is:

D  y=70x

8 0
3 years ago
anita grew a garden with 3/4 of the area for vegetables.in the vegetable section 1/6 of the area is carrots.what fraction of the
frosja888 [35]

9514 1404 393

Answer:

  1/8

Step-by-step explanation:

The fraction of the total is ...

  (1/6) of (3/4) = (1×3)/(6×4) = 3/24 = 1/8

1/8 of the total garden is carrots.

3 0
3 years ago
You are given a total of $240 to buy either good X or good Y, which are priced at $6 and $10, respectively. Draw a budget line t
mixas84 [53]

6X + 10 Y = 240

Rewriting this in slope intercept form

10y = -6x+240

y = -6/10x + 240/10

y = -.6x + 24

We know that x and y cannot be less than 0

The y intercept is 24 and the x intercept ( where y=0) is 40

To find the x intercept let y = 0

0 = -.6x + 24

-24 = -.6x

-24/.6 = -.6x/-/6

40 =x

If the budget is reduced by 25%, that means 240 is 25% less or 75% of the original value

75% of 240 = .75*240 or 180

6x+10y = 180

10y = -6x+180

y = -.6x+18

The y intercept is 18 and the x intercept is 30

If the price of x doubles

6 will become 12

12x+10y = 240

10y = -12x + 240

y = -1.2x +24

The y intercept is 24 and the x intercept is 20

If the price of y falls to 8

6x+8y = 240

8y = -6x+240

y = -6/8x + 240/8

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8 0
1 year ago
HELPPPPPPPPP i have the most trouble with math what’s the answer??
weqwewe [10]

Answer: Third option

Step-by-step explanation:

Remember that:

\sqrt[n]{x^n}=x

And the Product of powers property:

(a^m)(a^n)=a^{(m+n)}

The expression is:

\sqrt[4]{\frac{3}{2x}}

To simplify this expression, you need to multiply the denominator and the numerator by 2^3x^3. Then:

\frac{\sqrt[4]{3}}{\sqrt[4]{2x}}=\frac{\sqrt[4]{3(2^3x^3)}}{\sqrt[4]{2x(2^3x^3)}}

Simplifiying, you get:

\frac{\sqrt[4]{3(8x^3)}}{\sqrt[4]{2x(2^3x^3)}}=\frac{\sqrt[4]{24x^3}}{\sqrt[4]{2^4x^4}}=\frac{\sqrt[4]{24x^3}}{2x}

7 0
4 years ago
When finding the perimeter of an equilateral triangle, if one side is known, can you find the total perimeter and why or why not
pishuonlain [190]
Yes because all sides are equal so take one side and multiply by it by 3 and thats ur anwaserr
8 0
4 years ago
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