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soldier1979 [14.2K]
3 years ago
7

You need to wrap a present that is in the shape of a rectangle prism. The present has a length of 5 inches, a width of 4.5 inche

s, and a height of 3.5 inches. Find the total surface area of the present.
111.5 in2

55.75 in2

95.75 in2

135 in2
Mathematics
2 answers:
poizon [28]3 years ago
5 0

A 111.5 IN 2 HOPE THIS HELPS YOU!  let me know.

Serggg [28]3 years ago
3 0
The surface area is made up of six sides and the area is then just the sum of the areas of the six sides...

A=2xy+2xz+2yz

A=2(xy+xz+yz)  in this case:

A=2(5*4.5+5*3.5+4.5*3.5)

A=2(22.5+17.5+15.75)

A=2(55.75)

A=111.5 in^2
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If someone dives 300 feet in 2 minutes and another person dives 6750 ft in 45 minutes let X represent the time of dive and y rep
Cerrena [4.2K]
300÷2=150 per min, 6750÷45=150, 150 feet per min
6 0
3 years ago
The measure of one of the small angles of a right triangle is 14 more than 3 times the measure of the other small angle. Find th
anzhelika [568]

Step-by-step explanation:

Lets assume that angle of right angle trangles are <a,<b and <c

here one of the angle is 90°

so, <a=90°

now,

By the question

<c=3×<b+14

again,

<a+<b+<c=180° (being sum of interior angles of trangles)

90°+<b+(3×<b+14)=180° ( including the value of <a and <c)

90°+<b+3<b+14=180°

4<b=180-90-14

<b=86/4

<b=19°

<c=3×<b+14

=3×19+14

<c=71

smallest angle is 19°

and another small angle is 71°

3 0
3 years ago
A certain drink is made by adding 4 parts water to 2.5 part drink mix. What percent of the mixture is water? Omit % sign in your
Maru [420]

The mixture contains 61.5% of water.

<u>Step-by-step explanation:</u>

Total parts = 4+ 2.5 = 6.5

Parts of water =4

parts of drink = 2.5

Percent of water in the mixture = 4 × 100/ 6.5

                                                     = 400/6.5

                                                      = 61.53%

It is rounded to the nearest tenth as 61.5%.

8 0
3 years ago
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vagabundo [1.1K]

the answer is 5 bebe. remember to use pemdas

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8 0
3 years ago
Read 2 more answers
Find a fraction with a demominator of 30 that is equivalent to 1/3
Harman [31]

Answer:

10/30

Step-by-step explanation:

First, multiply the denominator by 10 to make 30.

Then, since we multiplied the denominator, we multiply the numerator. 1 x 10= 10

Therefore the answer is 10/30.

4 0
3 years ago
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