Mathematics College

Someone please help with this!!!!

Answers

Answer 1

Answer:

18. h = 14.4

19. h = 4.23

20. h = 15.28

21. h = 11.46

All answers are rounded to two decimal places.

Step-by-step explanation:

18. To find the height if you know all 3 sides. Multiply sides a & b, and divide the product by c.

x = (a * b)/c

x = (18 * 24)/30

x = 432/30

x = 72/5

x = 14.4

19. We know that the entire length of the hypotenuse is 27. However, 24 is needed here. That's 8/9 of 27, so 80 degrees is one of the angles. So we need to find the hypotenuse first. That can be done like this: b/sin(β)

24/sin(80)

24/0.98480775

24/1 * 4000000/3939231

8/1 * 4000000/1313077

32000000/1313077

24.3702388

Now to find the first leg, which will be the height of the entire triangle.

x = √c² - b²

x = √24.3702388² - 24²

x = √593.908539 - 576

x = √17.908539

x = 4.23184818

x = 4.23

20. This one requires similar work to #19, but the hypotenuse of the smaller triangle is x.

20/sin(60)

20/0.8660254

20/1 * 5000000/4330127

100000000/4330127

23.0940109

√23.0940109² - 20²

√533.333339 - 400

√133.333339

11.5470056

î The answer above is leg 2 of the smaller triangle.

x = √10² + 133.333339

x = √100 + 133.333339

x = √233.33339

x = 15.2752525

x = 15.28

21. There is no need to figure out what the height is. The entire triangle is 45-45-90.

x = (√18² + 18²) - 15

x = (√324 + 324) - 15

x = (√648) - 15

x = 25.46 - 15

x = 11.46

Related Questions

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Step-by-step explanation:

50°+50°+θ=180°

θ=180°-100°

θ=80°

Answer:

80 or b....................................

What is the Mean Absolute Deviation of the following data set?
{23, 25, 28, 29, 30}

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Answer:

The mean absolute deviation is 2.4

Step-by-step explanation:

What is a fraction? What does it represent? Give an example.
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Answer:

Its how you represent a number. Less than a whole number.

Step-by-step explanation:

Answer:

.......................

Step-by-step explanation:

A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100. You scored a 625. Calculate your z-score to the nearest hundredth (i.e. 2 decimal places).

z=

Answers

Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean[tex](\mu)[/tex] = 500 and a standard deviation[tex](\sigma)[/tex] = 100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

Let Y be a random variable that denotes the scores in the exam.

Formula for z-score = [tex]\dfrac{Y-\mu}{\sigma}[/tex]

Z-score = [tex]\dfrac{625-500}{100}[/tex]

⇒ Z-score = [tex]\dfrac{125}{100}[/tex]

⇒Z-score =1.25

Therefore , the required z-score = 1.25

I need help with this!!

Answers

Answer:

Step-by-step explanation:

PLEASE HELP ASAP!!!!!!!!!

Answers

Answer:

I'm sorry but the document says "doesn't exist".

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

um the photo is white I can’t see it

Please someone check how much questions I ask for this please someone help it’s really late we’re I am and I stay every night asking for all I get is links that are not good and people lying about the answer if I don’t do this I Will fail!!!!!! NO LINKS NO LYING

Answers

i don't now all of them but

3.is "A"

4.is "C"

* By definition, the sum of the interior angles of a triangle is 180 degrees.

* Keeping this in mind, you have:

As you can see, the sum of the other two angles must be 108 degrees, then, let's add the angles given in each option:

A) 9°+9°=18

B) 26°+46°=72°

C)53°+55°=108°

D)72°+108°=180°

*Therefore, the answer is option C.

5.is "B"

A triangle is called a right triangle when one of it's angles measures 90°.

We have been given the second angle as 14°.

The angles in a triangle add up to 180°.

∴ letting the third angle to be X;

X + 14° + 90° = 180°

X + 104° = 180°

X = 180° - 104°

= 76°

7. the answer is "B"

A = 41 * 14 / 2

A = 574 / 2

A = 287 cm²

So, the area of the trapezoid is 287 cm².

9. is "B"

Area = base x height

Or 356.25=14.25 x Height

Dividing both sides by 14.25

Height =25inches

.Height of the parallelogram is 25 inches. the answer is "B"

10.is "B"

the sum of any 2 sides of a triangle must be greater than the third side

5.6(x - 3) = -0.4x + 19.2

Answers

Answer:

Step-by-step explanation:

Answer:

this is the answer hope it helps

Rose plans to have two children but doesn't know if they will be boy-boy, girl-girl, girl-boy, or boy-girl. What is the probability that she will have boy-girl? (1 point)
O 0.5
O 0.75
O 0.25
O 1.00

Answers

I think it is c. .25

ANSWER THE QUESTION FOR BRAINLIEST

Answers

The first one is the answer

It’s A or the first one

HELP PLS DUE IN 1 MIN HELPPPPPPP

G/4>12

Answers

Answer:

G>48

Step-by-step explanation:

48/4=12

G/4>12

G>12x4=g>48

Sketch pad and six pencils is $22.53. Sketch pad cost $9.99. Each pencil cost the same amount. How much does each pencil cost? Show your work.

Answers

Answer:

22.53-9.99=12.54

12.54 divided by 6 = 2.09

Each pencil costs $2.09

PartA: Explain why x=6makes 4x-5< 19.

Answers

Answer:

It doesn't.

Step-by-step explanation:

If you plug in 6 in the x spots you will have:

4(6)-5 < 19

If you solve that, you will get:

19< 19

So considering that they are the same number, this doesn't make sense because it should be an equal sign.

Have a nice day!!! Please mark Brainliest!

PLEASE HELP ITS DUE SOON!!!!

Answers

Heberto could go 14 blocks East and 14 blocks south, so the last answer

Order the following numbers from least to greatest: 2.74, 1/9, 4^2, -2^3, 32.5%,-6

Answers

Answer:

−

32.5

2.74

Step-by-step explanation:

for the student store, sienna bought six packs of apple juice at $3.20 per pack. she sells each juice box at $.75 each. if she sells all the juice boxes in one day, how much profit will she get from selling these apple juice?

Answers

Answer:

Her profit would be $1.30

$1.32 because she paid .53 each ($3.20) and sold them for .75 each . Making .22 per box

a. Estimate Kevin rode 30 km in 2 hours. At that rate, how long would it take him to ride 75 km? Estimate an answer. Then use a case 1-case 2 ratio box to solve this problem.

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It took 5 hrs to ride

Naika took out a $29,300 5 year Federal Loan with an interest rate of 3.22%. She will
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grace period of 12 months after graduation before she has to start making payments.
How much interest will accrue before she begins making payments on the loan?

Answers

9514 1404 393

Answer:

$4717.30

Step-by-step explanation:

Assuming the interest is capitalized only at the start of repayment, the accrued interest is ...

I = Prt

I = ($29,300)(0.0322)(4 +1) = $4717.30

The accrued interest is $4717.30.

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Answers

d = distance
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Answers

Answer:

5.76

Step-by-step explanation:

Answer:

5.76 cm

Step-by-step explanation:

8% * 72 = 5.76 cm

Select the equation that represents the problem. Let x represent the unknown. Ms. Flores bought 320 crayons for her class. that crayons came in packs of 20. how many packs did she buy? A. 320x=20 B. 320-x=20 C. 20x=320 D. x+20=320

Answers

C because 20 times the number of crayons packs which equals x will be 320

Evaluate 6 + x when x = 3

Answers

Answer:

6+3 = 9

Glad I could help :)

The correct answer is 9! :) (Could I have brainliest?)

Four points are graphed on the number line below.

Which point is located closest to the value of -v5?
A point w
B. point x
C. point Y
D. point Z

Answers

Answer:

It's close between Y and Z, but I'd go with Z

Step-by-step explanation:

[tex]-\sqrt{5}[/tex]≈-2.2360679775

A rectangular prism has a length of 112feet, a width of 212feet, and aheight of 8 inches. What is the volume of the prism in cubic inches?
pls hurry :)

Answers

Answer:

27,353,088 cubic inches

Step-by-step explanation:

How to find the volume of a rectangular prism

To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

Solve

In this case, The volume of a rectangular prism with a length of 112feet,

width of 212 feet, and height of 8 inches:

But in this case, we need to convert both the length and width to inches.

If 1ft = 12in

Then, 112ft = 1344in (Multiply 112 by 12)

Also, 212ft = 2544 (Multiply 212 by 12)

So, the volume = 1344 x 2544 x 8

Calculated out this gives a volume of 27,353,088 cubic inches.

What is the length of BE?
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Answers

Answer:

you have to give is more than that

Step-by-step explanation:

mb 27

Answer:

the length of BE is 27 units

Step-by-step explanation:

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Answers

Answer:

it's could be 2

Step-by-step explanation:

you typed the question Wrong tho

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Answers

Answer:

Step-by-step explanation:

50% is equivalent to 0.5 or 1/2. To find how many of the shoe options are sneakers, we multiply the total number of shoe options (60) by 0.5 to get 30.

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Answers

Answer:25

Step-by-step explanation:

cur figure up into two small triangles, one recrtangle and a big triangle

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Answer:

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HELP ME PLS I WILL GIVE 25 POINTS!!

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Answer:

Step-by-step explanation:

Hope I helped! I tried my best.

Answer:

Step-by-step explanation:

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