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1 year ago

Please help with math problem?

Mathematics

1 answer:

Hoochie [10]1 year ago

5 0

Answer:

KM=41.6

Step-by-step explanation:

$\frac{HJ}{IJ} =\frac{KM}{ML} \\\frac{8}{6} =\frac{KM}{31.2} \\$

Cross Multiply and Solve for KM.

$6*KM=8*31.2\\KM=\frac{8*31.2}{6} \\KM=41.6$

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At a sale on winter clothing,Cody bought two pairs of gloves and four hats for $43.00. Tori bought two pairs of gloves and two h

lara31 [8.8K]

First do 43 - 30= $13 for two hats
so for one hat you do 13 divided by 2 which equals= $6.50 for one hat

then you do 30 - 13= $17 for two pairs of gloves
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2 years ago

Solve for X Please and thanks

Tpy6a [65]

Given:

The measure of ∠ABD is (4x + 15)°

The measure of ∠DBC is (13x + 7)°

We need to determine the value of x.

Value of x:

Since, we know the property that every angle in a rectangle is 90°

Hence, the value of x can be determined by adding the two angles and equating to 90°

Thus, we have;

$\angle ABD+\angle DBC=90^{\circ}$

Substituting the values, we have;

$4x+15+13x+7=90$

$17x+22=90$

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$x=4$

Thus, the value of x is 4.

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3 years ago

In 2006, 95% of new cars in the US came with a spare tire. In 2017, 72% came with a spare tire.

MArishka [77]

Using the Central Limit Theorem, it is found that:

The mean is 0.23.

The standard deviation is $s = \sqrt{\frac{0.95(0.05)}{250} + \frac{0.72(0.28)}{250}}$ .

<h3>Central Limit Theorem</h3>

It states that for a proportion p in a sample of size n, the sampling distribution of sample proportions has mean $p$ and standard deviation $s = \sqrt{\frac{p(1 - p)}{n}}$

When two variables are subtracted, the mean is the subtraction of the means, while the standard deviation is the square root of the sum of the variances.

In 2006, 95% of new cars in the US came with a spare tire, with a sample of 250, hence:

$p_1 = 0.95, s_1 = \sqrt{\frac{0.95(0.05)}{250}}$

In 2017, 72% of new cars in the US came with a spare tire, with a sample of 250, hence:

$p_2 = 0.72, s_2 = \sqrt{\frac{0.72(0.28)}{250}}$

Hence, for the distribution of differences:

$p = p_1 - p_2 = 0.95 - 0.72 = 0.23$

$s = \sqrt{s_1^2 + s_2^2} = \sqrt{\frac{0.95(0.05)}{250} + \frac{0.72(0.28)}{250}}$

To learn more about the Central Limit Theorem, you can take a look at brainly.com/question/16695444

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2 years ago

Morgan obtains a loan for $5,700. How much money (in dollars) does she actually receive assuming a loan fee of 0.95%? (Enter an

sergeinik [125]

Answer: $5645.85

Step-by-step explanation: a loan fee of $54.15 was deducted

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2 years ago

Read 2 more answers

A composite figure is formed by combining a square and a triangle. Its total area is 52.5 ft. The area of the

otez555 [7]

The length of each side of the square is 3 ft.

Step-by-step explanation:

We have , A composite figure is formed by combining a square and a triangle. Its total area is 52.5 ft. The area of the triangle is 43.5 ft . We know that area of a square = $length^{2}$ . According to question: