Mathematics High School

A glass prism on a chandelier is 57 millimeters long. A base of the prism is an
equilateral triangle with side lengths of 8 millimeters and a height of about 5.2
millimeters. What is the approximate surface area of the prism?
Pleasee help!!

Answers

Answer 1

Answer:

1410 mm²

Step-by-step explanation:

Given triangle prism with:

a = 8mm,  h = 5.2 mm, l = 57 mm

Total surface area:

S = Pl + ah = 3al + ah = a(3l + h)S = 8(3*57 + 5.2) = 1409.6 mm² ≈ 1410 mm²

Related Questions

answer choices:
A) 14.1 cm
B) 18.8 cm
C) 37.7 cm
D) 75.4 cm

Answers

Answer:

B. 18.8cm

Step-by-step explanation:

Circumference = π x Diameter

The given diameter here is 6cm and we need to use 3.14 for π so:

Circumference = 3.14 x 6

Circumference = 18.84 = 18.8 (1.d.p)

Therefore B is correct.

Hope this helped!

18.8 aka B I hope this helps

Question 3 of 25 What is g(x)?​

Answers

Answer:

B

Step-by-step explanation:

This is an absolute value function with negative coefficient.

Correct choice is

B. g(x) = - |x|

[tex]\huge\mathbb{ ANSWER: }[/tex]

B. g(x) = -|4x|

How many degrees is angle y

Answers

Answer:

y = 39°

Steps:

w = 180 - (85+42) = 180 - 127 = 53°

y = 180 - (88+w)

y = 180 - (88+53)

y = 180 - 141

y = 39°

Answer:

y = 39

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

x is an exterior angle of both triangles , then

x = 42 + 85 = 127

and

y + 88 = 127 ( subtract 88 from both sides )

y = 39

A letter is chosen from the word shown.
BELIEVABLE
Which describes the probability of randomly choosing a consonant?

Answers

Answer:

That something unexpected is about to happen.

Step-by-step explanation:

Please help will give brainliest

Answers

Answer:

B

Step-by-step explanation:

It is B because to find the volume you multiply all three values together, which gets you 68.448. I multiplied 9.2x3.1, which got me 28.52, and then I multiplied 28.52 by 2.4 which got me 68.448.

Factorise fully the following x2+2x

Answers

Answer:

x(x+2) is the answer

Step-by-step explanation:

x²+2x

x(x+2)

A person hikes 4 miles in 2.5 hours. Find the unit rate in miles per hour.

Answers

Answer:

60 miles per hour

Since d=rt, r = d/t = 420 miles/7 hours = 60 miles per hour

Step-by-step explanation:

Answer:

1.6 miles per hour

Step-by-step explanation:

Step one:

The unit rate is the number of miles in 1 hour

given

distance= 4 miles

time= 2.5 hours

so if he hike 4 miles in 2.5 hours

then he will hike      x mile in 1 hour

cross multiply we have

x=4/2.5

x=1.6 miles per hours

Therefore the unit rate is 1.6 miles per hour

Answer: 60 miles per hour

Step-by-step explanation:

I will explain more

In the comments

Help me please I’m stuck

Answers

Answer:

i woould say but

a

HELP PLEASE WILL CROWN BRAINLIEST!!
The temperature in Calgary at 9 a.m. was – 23 C.
By 11 a.m., it had warmed up by 8 C.
By noon, it had warmed up by another 3 C.
But by 2:00 p.m. it had cooled by 6 C.
What was the temperature in Calgary at 2:00 p.m.?

Answers

Answer:

-18 C°

Step-by-step explanation:

Warmed means add cooled means subtract

starting at -23 it warmed by 8 add 8

-15

it warmed by 3 more add 3

-12

then it cooled by 6 subtract 6

-18

The owners of the Syfy channel are interested in whether watching the Syfy channel causes people to become geeky, and whether any such effects depend on a person's gender. They hire a researcher to design and carry out the appropriate study. The researcher asks an equal number of men and women to watch 0, 3, 5, and 9 hours of the Syfy channel each week for 6 weeks. At the end of each week, the researcher measures the geekiness of the men and women on a scale from 1 to 10. How many cells are in this design

Answers

Answer:

The number of cells in this design =  4

Step-by-step explanation:

The number of cells in this design are four ( 4 ) and they are

The watchers can be equally geeky regardless of the hours watchedThe watchers can differ in geekiness level across the number of hours watched Women and Men may differ in geekiness levelsMen are geekier than women when watching few hours but less geekier than women when they watch more hours.  and Vice versa

456*43-53(45)................help

Answers

Answer: 17223

Step-by-step explanation:

You have to multiply your

Step-by-step explanation:

456×43-53(45)=

19608-53(45)

19608-2385

17223 Answer

Solve the following equation by completing the square:
x^2 + 4x = 2

Answers

Answer:

.

Step-by-step explanation:

Answer:

[tex]x=\sqrt{6}-2,\:x=-\sqrt{6}-2[/tex]

Step-by-step explanation:

[tex]x^2 + 4x = 2[/tex]

[tex]\left(x+2\right)^2=6[/tex]

[tex]x=\sqrt{6}-2,\:x=-\sqrt{6}-2[/tex]

Which word means changing seasons and mild weather?

A elevation
B climate
C current
D temperate

Answers

Answer

The answer is climate

Answer:

It would most likely be climate because it sounds like it has something to do with the weather which it does.

Step-by-step explanation:

Which equation represents the slope-intercept form of the line below?

Answers

Answer: ( D )

Step-by-step explanation:

They are both positive because in the graph it shows that they are not intercepting in in a negative sign.

What is the name ?

Help please

Answers

Answer:

chord

Step-by-step explanation:

A chord of a circle is a straight line segment whose endpoints both lie on a circular arc

HELP PLEASE FAST
Select the ordered pairs that are solutions to y<2x+5
(-6,6_ (0,8) (2,-1) (-1,3)

Answers

Answer:

c & d

Step-by-step explanation:

[tex]x = - 6 \: \: 6 \leqslant - 12 + 5 \\ \ \\ 6 \leqslant - 7 \: \: \\ \\ \\ x = 0 \: \: 8 \leqslant 5 \\ \\ \\ x = 2 \: \: - 1 \leqslant 4 + 5 \\ - 1 \leqslant 9 \\ \\ x = - 1 \: \: 3 \leqslant - 2 + 5 \\ 3 \leqslant 3[/tex]

Select the correct answer. which expression is in its simplest form?

Answers

The answer is a the first one

Put in order from least to greatest


5.670
56.72
56.27

Answers

Answer:

5.670, 56.27,5.72.

Step-by-step explanation:

All you do is pay attention to that decimal and remember that the places where the numbers are present; they are invisible zero so,

56.72 is the same as 56.720000.

It's pretty clear for this question since the numbers are clear so all you do is look at the decimals.

Which expression is equivalent to 4c + 7 -2C - 3?
a. 2c + 4
b. 2c + 10
C. 6C +4
d. 60 + 10

Answers

the answer is (A): 2c+4

Will give brainist help!!!

Answers

Answer:

A

Step-by-step explanation:

What single decimal multiplier would you use to decrease by 2% followed by a 7% decrease?

Answers

Here is your answer.

Mary is applying for a credit card. Which of the following will not determine if she has a high credit limit or not.

A. Credit score
B. Payment history
C. Salary
D. Age

Answers

The answer is D.Age
Age of birth does not affect your credit limit

A cylinder has a height of 20 millimeters and a radius of 20 millimeters. What is its volume? Use s s 3.14 and round your answer to the nearest hundredth.​

Answers

Answer:

solution given:

height [h]= 20 millimetres

radius [r]=20 millimetres

π=3.14

now

Volume of cylinder [V]=πr²h=3.14×20²×20=25120mm³is your answer.

Step-by-step explanation:

volume=xr2h

3.14 x20x20

1256mm3

Please help! Solve the following system by substitution:

Answers

Answer:

C.  

Step-by-step explanation:

C= 5 and D= -2.  

whats 2 +2 plss help me i need help

Answers

The answer to this question is 4
2+2=4 hope this helped lol

A triangle has one angle that measures 70 degrees. If the other two angles are isosceles, what is the measurement of each of those angles? PLEASE HELP I HAVE TO HAND IN , in 10 minutes!

Answers

Answer:

I could be very wrong, but I think 55?

Step-by-step explanation:

bc all angles of a triangle add up to 180, 70-180=110 110/2(bc two isosceles angles are left) makes last two 55

I think

At the start of the Crayola empire, their pricing for a pack of markers was steep due to high demand. For a basic pack of 8 markers, the cost was $11.50. At this rate, how much would the special pack of 7 markers cost?

Answers

Answer: $10.06

Explanation:

11.50 divided by 8=1.4375
1.4375 times 7 equals 10.0625
Round 10.0625 to 10.06

0.5 gallons plus 0.5 gallons plus 2 gallons plus 1gallon basicly i need to know how to add gallons.

Answers

Answer: 5 gallons

Step-by-step explanation: the gallons are in decimal points. 1/2 + 1/2 + 2 + 1 = 5. the .05 and 1/2 are the same thing. the .5 + .5 equals 1

The answer would be 4 gallons.
You add them like you would any other decimals and numbers. .5+.5=1 then 2+1+1=4

2(2x+1)+3(x-2) I need answers​

Answers

Answer:

4x + 2 + 3x - 6

combine like terms

Group: (4x + 3x)  (2 - 6)

7x - 4

One hundred-seven lunch trays were placed
equally in 4 stacks. How many lunch trays
were in each stack? How many lunch trays
will be left over?

Answers

104 Trays are divided into the 4 Stacks
104 divided by 4 is 26.
3 trays left over
26.75 were in each stack
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