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2 years ago

Which is the best estimate of 90/7 divided by. 1/3/4 2 6 12 24

Mathematics

1 answer:

timama [110]2 years ago

5 0

Answer:

$\frac{135}{14}$

Step-by-step explanation:

90/7 ÷ 1/3/4

90/7 ÷ 4/3

90/7 × 3/4

45/7 × 3/2

= 135/14 = 9 9/14

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A snail moves at a speed of about 153.54 feet per hour. What is the snail's speed in inches per minute? Round the answer to the

Gelneren [198K]

The answer is C. 60 / 12 = 5 153.54 / 5 = 30.71

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2 years ago

A new toy hits the local store. Sales (in hundreds) increase at a steady rate for several months, then decrease at about the sam

Montano1993 [528]

Answer:

Option A.

Step-by-step explanation:

It is given that, sales (in hundreds) for several months can be modeled by the function:

$S(m)=-0.625|m-8|+5$

We need to find the month in which 400 toys were sold.

Substitute S(m)=4 in the given function.

$4=-0.625|m-8|+5$

$4-5=-0.625|m-8|$

$-1=-0.625|m-8|$

$\dfrac{-1}{-0.625}=|m-8|$

$1.6=|m-8|$

Now,

$\pm 1.6=m-8$

$1.6=m-8$ or $-1.6=m-8$

$1.6+8=m$ or $-1.6+8=m$

$9.6=m$ or $6.4=m$

Approx the value to the next whole number.

$m\approx 10$ or $m\approx 7$

It means, 400 toys were sold on 7th and 10th month.

Therefore, the correct option is A.

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3 years ago

Find the value of each trigonometric ratio

Aleks [24]

To remember the ratios, use the mnemonic sohcahtoa.
S = O/H
C = A/H
T = O/A
In this case, we want S, sin. The side opposite angle X would be 24. The hypotenuse is 26, so the ratio is 24/26.

8 0

2 years ago

Which of the following are valid probability distributions for a discrete random variable

Radda [10]

All of them except B and C. Probabilities must add to 1 and none of the p's can be negative

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3 years ago

Read 2 more answers

Whats the area of a circle with a diameter of 12 cm?

Vedmedyk [2.9K]

Answer:

113.1cm

Step-by-step explanation:

area= $\pi$ r²

r= half the diameter r=6

a= $\pi$ 6²

a= $\pi$ 36

a=113.1 cm

8 0

3 years ago