Mathematics High School

Find Y. Round to the nearest tenth. Z 17 ft 8 ft X 16 ft Y Y= [?]° Law of Cosines: c2 = a + b2 - 2ab cos C​

Find Y. Round To The Nearest Tenth. Z 17 Ft 8 Ft X 16 Ft Y Y= [?] Law Of Cosines: C2 = A + B2 - 2ab Cos

Answers

Answer 1

Answer:

27.8

Step-by-step explanation:

Related Questions

Yesterday 1/8 of the books were sold at the bookstore were science fiction books.which decimal is equivalent to this fraction of books sold.

Answers

Answer:

1/8 in decimal form is 0.125

quadrilateral CDEF is dilated by a scale factor of 3/4 to form quadrilateral C'D'E'F. What is the measure of side E'F?​

Answers

Answer:

9

Step-by-step explanation:

Side EF is 12 units, so you have to multiply 12 by 3/4, and you get 9.

Answer:

ucgt

Step-by-step explanation:

jtyuck,

ugvh

The residence of a city voted on whether to raise property taxes the ratio of yes votes to no votes was 7 to 4 if there were 3672 no votes what was the total number of votes

Answers

Answer: 10,098 votes

Step-by-step explanation:

The ratio is 7 : 4 which means that for every 7 yes votes, there were 4 no votes.

To find the total votes, add the ratios:

= 7 + 4

= 11

4/11 are the no votes out of the total. Assuming the total is x, the formula is:

4/11x = 3,672

x = 3,672 / 4/11

x = 10,098 votes

Need help ASAP because it’s hard lol

Answers

Answer: y = x + 2

Step-by-step explanation: We can see the y-intercept is 2 on the graph, and the slope is 1

Answer:

y=x+2

Step-by-step explanation:

Please help me out and make sure to show your work! Thanks.

Answers

Answer:

The width of the court is 30 feet.

Step-by-step explanation:

I_I = Court

Area= Length x Width

Area = 1,800 feet

Length = 60 feet

1,800 ÷ 60 = 30 feet

Hope this helped :D

What are the next three terms in the sequence? -112,   -129,   -146,   ___________
Explain your answer.
​

Answers

Answer: -163, -180, -197

Step-by-step explanation:

Triangle ABC is similar to triangle DEF. If angles ABC and DEF measure 54 degrees and angles BCA and EFD measure 38 degrees, what are the measures of CAB and FDE? SHOW WORK TO JUSTIFY YOUR ANSWER.

Answers

Answer:

78 degrees

Step-by-step explanation:

hope this is right i added and somehow got this tell me if i got it right or wrong no hate

pls help ive posted 3 times now no one has gave me an asnwer at least view it
its not the 2nd answer

Answers

Answer:

B) 7.2 cm / 22.61 cm

Step-by-step explanation:

6.28 / 2 = 3.14

3.14 x 7.2 = 22.608 = 22.61

Circumference = 7.2

Diameter = 22. 61

7.2 cm / 22.61 cm

Please help me:((( George has a square garden with an area of 25 square feet. He doubles both the length and width of his garden. State the letters and answers to the questions given. a. Draw a diagram to show George's garden after its length and width are doubled. State the length and width of the new square. b. What is the new area of his garden? C. How many times greater is his new garden's area than his original garden's area? 25 sq ft​

Answers

C how many time the greater is his new garden

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

y = 25x + 128.8

Step-by-step explanation:

y = total cost

x = amount of days the car was rented

25 represents the daily charge for the fee and the insurance (15+10=25)

128.8 represent the cost for miles driven by Jerry

This was calculated by multiplying the amount of miles he drove (644) by the cost of each mile (.20)

644x.20=128.8 so the cost for miles driven is $128.8 which is why it was added to the equation

for brainliest. PLEASE HELP!!

Answers

Answer:

a

Step-by-step explanation:

Answer:

Answer A

Step-by-step explanation:

Good luck! Please consider awarding Brainliest! ^<^

someone help me here please!!

Answers

You put this on the mathematics section and it’s science.

please help!!

In a survey, 90% of dentists recommended sugarless gum for their patients who chew gum. If the total number of dentists surveyed was 80, how many dentists recommended chewing sugarless gum?
(Hint: What is 90% of 80?)

Answers

Answer:

72

Step-by-step explanation:

80x.90= 72

Answer:

72 is your answer

Step-by-step explanation:

HELP!

The net of a cylinder with a radius of 5cm and a height of 8cm is drawn below. Work out the surface area of the cylinder.

Answers

Answer:

408.41 cm²

is the answer

2/4 of the sum 17 and 4

Answers

[tex]\frac{2}{4} =\frac{1}{2}[/tex]

[tex]\frac{1}{2}[/tex]×[tex](17+4)[/tex]

[tex]\frac{1}{2}[/tex]×21[tex]=10.5[/tex]

Hope this helped.

The sum of 17 and 4 is 10.5

2+w>÷××=
[tex]93 \div 10[/tex]
what is the fairy​

Answers

Step-by-step explanation:

What?

Simplify 2.1+(-3.7h)+1.9h-1.4

Answers

The answer is: 0.7 - 1.8h

What is the value of the expression 6+5 x (8 ÷ 2)2?

Answers

i believe it’s 48 if not then let me know!
Is the 2 on the end a superscript (elevated outside the parentheses)?

If so:
6 + 5 x (8/2)2 =
6 + 5 x (4)2 =
6 + 5 x 16 =
6 + 80 =
86

If not, and it’s just a 2:
6 + 5 x (4)2 =
6 + 5 x 8 =
6 + 40 =
46

The sum of two nonnegative numbers is 50. What is the maximum value of the product of these two numbers ?

Answers

Answer:

625

Step-by-step explanation:

Let two number be x and (50-x).

The product of numbers be x(50-x).

P = 50x-x²

For maximizing the product,

[tex]\dfrac{dP}{dx}=0\\\\\dfrac{d}{dx}(50x-x^2)=0\\\\50-2x=0\\\\50=2x\\\\x=25[/tex]

So, the maximum product, P = 50(25)-(25)²

P = 625

Hence, the maximum value of the product of these two numbers is 625.

Crystal bought a jacket that is $65. She has a coupon for 20% off. She needs to pay 9% tax on the jacket. What is the total amount that she needs to pay for
the jacket?

Answers

Answer:

va cyclist covers a distance of 15km in 2hours calculate his speeda cyclist covers a distance of 15km in 2hours calculate his speeda cyclist covers a distance of 15km in 2hours calculate his speeda cyclist covers a distance of 15km in 2hours calculate his speeda cyclist covers a distance of 15km in 2hours calculate his speed

$56.68 because 20% off $65 is $52 and $52• 1.9% is 56.68

Need to know the answer, I would really appreciate any help. I’m not to good at the graph part of Slope.

Answers

Answer:

Top right

Step-by-step explanation:

The slope is 0.5

y - 3 = 0.5(x + 4)

y - y1 = m(x + x1)

Coordinate ( -4, 3)

Top right choice is the only graph where the line touches (-4, 3)

solve the equation 16y+ -2=-20

Answers

Answer:

y=-34

Step-by-step explanation:

16y-2=20

    +2   +2

16y=-18

-16    -16

y= -34

help me whit this I am confused ​

Answers

Answer: c

Step-by-step explanation:  

if you think about the equations as linear functions, you can imagine that if they do intersect, it must be on only one point (since two straight lines cant intercept at more than one point, unless they are the same line)

therefore the point has to be the one and only intercept- satisfiing both linear equations

Mac Cosmetics sells a lip gloss for $15.50, but it only costs the company $6 to make it. What is the percentage markup on the lip gloss? Show all of your work and record your final answer in the space below. ​

Answers

Answer:

258 percent

Step-by-step explanation:

15.5/6 is 2.58, which is 258 percent

Blank minus 1/2 equals 3/4​

Answers

Answer:

x = 5/4   -or-     1 1/4

Step-by-step explanation:

x - 1/2 = 3/4

Get common demoninators: x - 2/4 = 3/4

Add 2/4 to both sides: x = 5/4

urgent !!

In Cynthia's physics class, she must turn in four lab reports. For each report, she earns extra credit if her percent error is less than 5%.
For her first lab report, she calculated the value of the acceleration due to gravity three times. She got the following three values.

9.56 ms2
9.72ms2
9.88ms2
The accepted value of the acceleration due to gravity is 9.8ms2.
Which option is closest to Cynthia's percent error?

about 8%
about 1%
about 0.8%
about 5%

Answers

Answer:

9.56 Ms2

Step-by-step explanation:

Use trigonometric ratios to solve the right triangle. Pls Help

Answers

sin60=DF/FE
Root 3/2= DF/ 18 Root 3
DF= 18*3/2
DF= 27 units

cos60=DE/FE
1/2=DE/18 Root 3
DE= 18 Root 3/2
DE= 9 Root 3 units

What value is equivalent to 3 x 10 - 2(12 - 3 x 3)

Answers

the answer to this expression is 24.

Select 3 side lengths that can form a right triangle.

Answers

Answer:

16 inches, 63 inches, and 65 inches

Step-by-step explanation:

Edit: I had to change cause it was wrong

Answer:

16 inches, 63 inches, and 65 inches

Step-by-step explanation:

16 squared = 256

63 squared = 3969

16 squared + 63 squared = 4225

65 squared = 4225

A^2 +B^2 = C^2

Find the volume of a pyramid with a square base, where the area of the base is 7.5cm^2
and the height of the pyramid is 8.6cm. Round your answer to the nearest tenth of a cubic centimeter.

Answers

Answer:

21.5 cu. cm.

Step-by-step explanation:

Volume of a pyramid is

V = 1/3Bh       B = area of the base          h = height of pyramid

V = 1/3(7.5)(8.6)

   = 21.5 cu. cm.

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