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Alja [10]
3 years ago
13

What is the product (

qrt%7B12%7D%29" id="TexFormula1" title="(7\sqrt{8} +3\sqrt{12} )(7\sqrt{8} -3\sqrt{12})" alt="(7\sqrt{8} +3\sqrt{12} )(7\sqrt{8} -3\sqrt{12})" align="absmiddle" class="latex-formula">?
Mathematics
1 answer:
tangare [24]3 years ago
4 0
The product should be 284.
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Find the surface area. Round to the nearest tenth.
Anton [14]

Answer:

66.4 in^2

Step-by-step explanation:

Surface area is defined as the area around the surface of a 3-dimensional solid. The shape we are given here is a triangular prism with a square base. This means it contains one square and 4 triangles on the surface. To find the surface area, we just need to find the areas of all 5 surface shapes and add them up. We have been given that the square has a side length of 4 inches, meaning the area is 4^2 or 16. The area of a triangle is (1/2)base*height. The base length is 4 inches and the height is 6.3, and (1/2)*4*6.3 is 12.6. Note that, since there are four triangles, we have to multiply this value by 4 (12.6*4 = 50.4). Now we have the area of the square and the area of all the triangles put together, so we can just add them up:

16 + 50.4 = 66.4

8 0
2 years ago
1) m - 38 = -44 * m = --6 o m = 6 m = 82 O m = --82​
galina1969 [7]

m-38=-44

    +38     +38       add 38 on both sides, solve for -44 + 38 which is -6.

__________

m = -6, is your final answer.

hope this helps :)

8 0
3 years ago
A sales clerk sold 3 times as many T-shirts as hats last week. The number of belts she sold was 15 more than 1/4 the number of h
artcher [175]

Answer:

777 fewer belts

Step-by-step explanation:

288/4 = 72

72 + 15 = 87

288*3 = 864

864 - 87 = 777

5 0
2 years ago
YALL I NEED SOME HELP FAST!!! ALL THE AWNSERS PLEASE IM BEGGING YOU PLEASE PLEASE!!!!
Nookie1986 [14]

Answer:

Step-by-step explanation:

1=34

2=21

3=27

4=16

5=51

6=21

7=17

8=72

9=80

10=13

7 0
3 years ago
Read 2 more answers
(3 x 105 ) x (2 x 103 )
anzhelika [568]

Answer:

64,890

Step-by-step explanation:

105×3 =315

103×2= 206

315×206= 64,890

6 0
3 years ago
Read 2 more answers
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