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3 years ago

BRAINLIEST TO CORRECT

Mathematics

1 answer:

mina [271]3 years ago

6 0

Answer:

is greater than

Step-by-step explanation:

First, if you unmix the numbers, you will get 1 1/8 and 1 1/9. If you split something into 9, the pieces will be smaller than if you split something into 8.

Therefore, 9/8 is greater than 10/9.

-kiniwih426

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An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled usin

kkurt [141]

Answer:

t = 3 seconds

Step-by-step explanation:

We have the equation, as a function of time, that describes the height of the object that is dropped from the bridge.

The equation is:

$h (t) = 144 - 16t ^ 2$

Where t is the time in seconds and h is the height in feet.

To know how long it takes the object to fall to the ground we do h (t) = 0 and solve for t.

So:

$0 = 144 - 16t ^ 2\\\\16t ^ 2 = 144\\\\t ^ 2 = \frac{144}{16}\\\\t ^ 2 = 9\\\\t_1 = 3\\t_2 = -3$

We take the positive solution.

Therefore the object takes 3 seconds to reach the ground

4 0

3 years ago

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Josh swam 25 laps in 50 minutes. At that rate, how long will it take to swim 35 laps?

GrogVix [38]

Answer:

70 Minutes

Step-by-step explanation:

Divide 25 into 50 to get 2 and then multiply 2 x 35 to get 70

7 0

3 years ago

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With food prices becoming a great issue in the world; wheat yields are even more important. Some of the highest yielding dry lan

Rzqust [24]

Answer:

Option E) 61.6

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100 bushels per acre

Standard Deviation, σ = 30 bushels per acre

We assume that the distribution of yield is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(X>x) = 0.90

We have to find the value of x such that the probability is 0.90

P(X > x)

$P( X > x) = P( z > \displaystyle\frac{x - 100}{30})=0.90$

$= 1 -P( z \leq \displaystyle\frac{x - 100}{30})=0.90$

$=P( z \leq \displaystyle\frac{x - 100}{30})=0.10$

Calculation the value from standard normal table, we have,

$P(z$

$\displaystyle\frac{x - 100}{30} = -1.282\\x = 61.55 \approx 61.6$

Hence, the yield of 61.6 bushels per acre or more would save the seed.

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3 years ago

Solve a=v/t for v NEED HELP ASAP!!!

Sergeu [11.5K]

Answer:

$v = at$

Step-by-step explanation:

you need to cross multiple

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3 years ago

You have $25.00 to spend at the county fair. Admission to the fair is $5. The cost of a carnival ride ticket is $2. If you spend

Gre4nikov [31]

Answer:

Step-by-step explanation:

25 - 5 = 20

20 / 2 = 10

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3 years ago