MATHEMATICS COLLEGE

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If ZY = 2x + 3 and WX = x+4, find WX.

Your answer will be so appreciated.
PLEASE HELP! I WILL MARK BRAINLIEST! If ZY = 2x - 1

Answers

Answer 1
Answer: i need more info on this ? to answer.

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What's the measure of the complement of a 19 degree angle

Answers

Measure of the complement of a 19 degree angle=90-19=71

A, B & C form the vertices of a triangle.CAB = 90°, ABC = 60° and AB = 8.6.

Calculate the length of BC rounded to 3 SF.

BC =

Answers

Answer:

BC = 17.2.

Step-by-step explanation:

Since CAB = 90º, this is a right triangle.

The triangle format is given below:

C

A           B

We have that AB = 8.6, and angle B measures 60º.

Length of BC:

BC is the hypotenyse.

Side AB is adjacent to angle B = 60º.

In a right triangle, angle \alpha, it's adjacent side with length s and the hypotenuse h are related by the cosine of the angle, that is:

cos(\alpha) = (s)/(h)

In this question, we have an angle of 60º, with has cosine 0.5. We also have that side AB = s = 8.6, and the hypotenuse h is side BC. So

cos(\alpha) = (s)/(h)

0.5 = (8.6)/(h)

0.5h = 8.6

h = (8.6)/(0.5)

h = 17.2

BC = 17.2.

Find the volume of a cylinder, given
the radius as 7cm and height 10cm.​

Answers

Answer:

1539.38cm³

Step-by-step explanation:

V=πr2h=π·72·10≈1539.3804cm³
V≈1539.38 just use the formula it’s easy

What is the solution to the system of equations y = -4/5x + 6 and y = -30A) (45,-30)
B) (-30,30)
C) (-30,45)
D) (30,-30)

Answers

Hi There!

Answer: A) (45,-30)

Why: x = 45 and y = -30

-30 = -4/5(45) + 6

-30 = -36 + 6

-30 = -30

Hope This Helps :)

Answer:

A is the correct answer

Step-by-step explanation:

took the exam

For the 405 highway that car pass through a checkpoint, assume the speeds are normally distributed such that μ= 61 miles per hour and δ=4 miles per hour. Calculate the Z value for the next car that passes through the checkpoint will be traveling slower than 65 miles per hour.

Answers

Answer:

Z = 1

Step-by-step explanation:

Z - score

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = (X - \mu)/(\sigma)

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 61, \sigma = 4

Calculate the Z value for the next car that passes through the checkpoint will be traveling slower than 65 miles per hour.

This is Z when X = 65. So

Z = (X - \mu)/(\sigma)

Z = (65 - 61)/(4)

Z = 1

What’s the correct answer for this?

Answers

Answer:

P=19.2 ft

Step-by-step explanation:

ACCORDING TO THE THEOREM,

BC=2(DE)

So BC =2(3.2)

BC=6.4 ft

Now

AB=2(EF)

AB=2(4)

AB=8 ft

Now

AC = 2(DF)

AC= 2(2.4)

AC=4.8 ft

Now we're gonna find the perimeter which is sum of all sides

Perimeter=4.8+8+6.4

P= 19.2 ft

Answer:

c

Step-by-step explanation:
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