All categories

3 years ago

50+ POINTS AND BRAINLIEST! PLEASE BE CORRECT! What is the surface area of the prism?

Mathematics

1 answer:

Fantom [35]3 years ago

5 0

Answer:

=234 mm^2

Step-by-step explanation:

The surface area of a rectangular prism is given by

SA = 2 (lw +lh +hw) where l is the length, w is the width and h is the height

SA = 2 ( 15*3 + 15*4 + 3*4)

= 2( 45+60+12)

= 2(117)

=234 mm^2

You might be interested in

Find the value of x: 7e(×/3)=14

velikii [3]

7e^(×/3)=14
e^(×/3)=14/7
e^(×/3)=2
take ln of both sides;
lne^(×/3)=ln2
****You should be familiar that lne^x=x as ln is the inverse function of e and vice versa****
then;
x/3=ln2
x=3ln2
x approximately is equal to 2.1

6 0

3 years ago

HELP I NEED HELP ASAP

tatiyna

Answer:

D) 8x²-172x+120

Step-by-step explanation:

Length=2(-2x+20)+6

Width=-2x+20

(-4x+40+6)(-2x+20)

(-4x+46)(-2x+20)

8x²-80x-92x+920

8x²-172x+920

5 0

3 years ago

What is the change in y divided by the change in x called?

pickupchik [31]

It is called the slope of the line

8 0

3 years ago

Read 2 more answers

Find the value of x, rounded to the nearest tenth A. 24.5 B. 18 C. 16.1 D. 2

Strike441 [17]

Answer:

B. 18

Step-by-step explanation:

Given:

There are two chord in the circle.

These chords are divided in two segments.

Segments of 1 chord is 21 and 6.

Segments of 2 chord is x and 7.

Now by using Intersecting Chord Theorem which states,

"When two chords intersect each other inside a circle, the products of their segments are equal."

Hence from above theorem we can say that;

$x\times7=21\times6\\7x = 126\\x= \frac{126}{7}\\x=18$

Hence the Value of x is 18.

8 0

3 years ago

I need the answer help

lisov135 [29]

Answer:

the second one(20)

Step-by-step explanation:

If you pretend 20 is x, you solve the equation by pluging in x (20) into the equation and it gives you 70, 70 is what the big part is and 70+20 is 90, which is the size of a 90degree side.

4(20)-10

80-10

70+20=90

3 0

3 years ago

Read 2 more answers