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3 years ago

Write in detail how you have used math in the real-world to solve a problem.

2 answers:

5 0

I use math all the time in the real world. Whenever I am cooking or baking, and need to make a small batch of somthing, I divide fractions to do it. Say the recipie calls for a cup of flour but I am making a half batch I divide it by 1/2 to cut it in half. Same with 1/2 cup of flour. I divide it by 1/4 to cut it in half.

neonofarm [45]3 years ago

3 0

Answer:

I went shopping once for ingredients of a cake, but i didn't know what my finale price would be. So i estimated what the total cost could be, then i took all the prices and added them up then divided the price by how many ingredients i got to find the average and it was pretty close to my estimate. So math can help when you go shopping. (Sorry if how i find my prices is weird, i kinda just stand in one spot for at least 5 - 8 mins trying to find my price)

Step-by-step explanation:

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You are the sales manager for a large condominium development in Sacramento, California. You are interested in determining how m

wolverine [178]

Answer:

A one-sided, two-sample t-test

Step-by-step explanation:

In the context, the values of the population standard deviations are not provided, therefore we have to use the two sample t tests for the difference between the two population means. This claim for the hypothesis or the alternative hypothesis is given as the average selling price is more for the first group of the sample size of 21 as compared to the other group of the sample size of 87. Therefore, we perform an one sided test or the upper tailed test.

4 0

3 years ago

How do you solve u=xk-y for x

Lynna [10]

u-y = xk

(u-y)÷k = x

This is the answer.

5 0

3 years ago

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Evaluate the sine of angle X for the right triangle below.

bezimeni [28]

Answer:

$\frac{7}{25}$

Step-by-step explanation:

sinx = $\frac{opposite}{hypotenuse}$

The hypotenuse = 25 since 7, 24, 25 ← Pythagorean triple

Hence

sinx = $\frac{7}{25}$

6 0

3 years ago

A particular airport has beacons on the ground 6 km out from the start of each runway. An airplane is directly over this beacon

hodyreva [135]

Answer:

6.06 km

Step-by-step explanation:

The information given in the question can be represented by the three sides if a right angled triangle.

Let the direct line from the airplane to the start of the runway be represented by x. So that applying the appropriate trigonometric function, we have;

Cos θ = $\frac{adjacent}{hypotenuse}$

Cos $8^{o}$ = $\frac{6}{x}$

0.9903 = $\frac{6}{x}$

⇒ x = $\frac{6}{0.9903}$

= 6.0588

x = 6.06 km

The direct line from the airplane to the stat of the runway is 6.06 km.

8 0

3 years ago

Write this in scientific notation: 52,739

yan [13]

Scientific notion always has a number times 10 to the power of something.

So

$5.2739 \times 10^4$

Now if you had to round then it would become

$5.3 \times 10^4$

6 0

3 years ago

Read 2 more answers