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2 years ago

What formula can we use to find the surface area of a rectangular prism?

Mathematics

1 answer:

saveliy_v [14]2 years ago

6 0

Answer:

○ $\displaystyle SA = 2lw + 2lh + 2wh$

Explanation:

A rectangle has four right angles, including two pairs of congruent edges, only containing two dimensions – height and length. Therefore, going three-dimensional, a rectangular prism has three dimensions – width, height, length. With this information, you should know what the answer is.

I am joyous to assist you at any time.

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Find cos(β) in the triangle.

denis23 [38]

Answer:

$cos \beta = \frac{adjacent}{hypotenus}$

$cos \beta = \frac{8}{17}$

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2 years ago

HELP PLEASEEEEEEE it’d be rlly appreciated

Alex_Xolod [135]

Answer: they have

et n = number of nickels

Let d = number of dimes

given:

(1) +n+%2B+d+=+45+

(2) +5n+%2B+10d+=+360+

-------------------

Multiply both sides of (1) by 5

and subtract (1) from (2)

(2) +5n+%2B+10d+=+360+

(1) +-5n+-+5d+=+-225+

+5d+=+135+

+d+=+27+

and, since

(1) +n+%2B+d+=+45+

(1) +n+%2B+27+=+45+

(1) +n+=+45+-+27+

(1) +n+=+18+

She had 18 nickels and 27 dimes

check:

(2) +5%2A18+%2B+10%2A27+=+360+

(2) +90+%2B+270+=+360+

(2) +360+=+360+

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

1 inch = 2.54cm 1 mile = 1.6km a map has a scale of 1 inch represents 1 mile use the given conversions to show that 1cm on the m

lara31 [8.8K]

Note: 1 inch = 2.54 cm is an exact converion, while 1 mile=1.6km is only approximate.

Using conversion
1 inch=2.54 cm
1 mile = 1760*3*12 = 63360 in = 160934.4 cm
If 1 inch = 1 mile, then
2.54 cm : 1 mile = 1.609344 km
1 cm : 0.6336 km (exactly), or
1 cm : 0.6 km (approximately)

Using both conversions:
1 inch = 2.54 cm : 1 mile = 1.6 km
=>
2.54 cm : 1.6 km
1 cm : 1.6/2.54=0.6299 km (approximately), or
1 cm : 0.6 km (approximately)

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3 years ago

70% is equal to 175$ dollars how many dollars are in 100%

zheka24 [161]

100% = $250

divide $175 by 70 to obtain 1% then multiply by 100 for 100%

100% = $175 × $\frac{100}{70}$ = $250

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3 years ago

In the process of electricity, what flow through

Natalija [7]

Current (A)

Q=It
where Q is electric charge, I is current and t is time

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2 years ago

What formula can we use to find the surface area of a rectangular prism? ​

What formula can we use to find the surface area of a rectangular prism?