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valkas [14]
3 years ago
13

What is the surface area of the box if it is scaled up by a factor of 10? The surface area is 84 square inches.

Mathematics
1 answer:
inn [45]3 years ago
7 0

Answer:

A for a box, the surface area is given by:

6l², where l is the length of one side.

If the side is increased 10 times,

6(10l)²

=100 x6l²

The surface area increases 100 times. Thus, the new surface area is

272 * 100

= 27,200 sq in

Step-by-step explanation:

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with Judy jogging north and Jackie jogging west (on straight roads). When Jackie is 1 mile farther fro m the intersection than J
dolphi86 [110]
Judy's distance from the intersection: d

<span>When Jackie is 1 mile farther from the intersection than Judy:
</span>Jakie's distance from the intersection: d+1

T<span>he distance between them is 2 miles more than Judy’s distance from the intersection: d+2

</span>How far is Jackie from the intersection?
d+1=?

Using the Pythagoras Theorem:
c^2=a^2+b^2; a=d, b=d+1, c=d+2
(d+2)^2=(d)^2+(d+1)^2
(d)^2+2(d)(2)+(2)^2=d^2+(d)^2+2(d)(1)+(1)^2
d^2+4d+4=d^2+d^2+2d+1
d^2+4d+4=2d^2+2d+1
d^2+4d+4-d^2-4d-4=2d^2+2d+1-d^2-4d-4
0=d^2-2d-3
d^2-2d-3=0
Factoring:
(d-3)(d+1)=0

d+1=0→d+1-1=0-1→d=-1<0 (negative): No possible. The distance can't be negative.

d-3=0→d-3+3=0+3→d=3 miles>0 (positive): Ok

Jakie's distance from the intersection=d+1=3+1→d+1=4 miles

Answer: <span>Jackie is 4 miles far from the intersection
</span>
Please, see the attached file.
Thanks


6 0
3 years ago
5c(3c squared) to the third power
Marianna [84]

Answer:

you mean cubed

Step-by-step explanation:

125c

8 0
3 years ago
To keep her grades up madeline must earn more than 80 points on her science fair project. Let p represent the number of points s
Ugo [173]

Answer:

p > 80

Step-by-step explanation:

Given

Points = More than 80

Required [Missing from the question]

Represent as an inequality

Let p represents the number of points.

More than means greater than i.e. >

Hence, more than 80 is represented as;

p > 80

5 0
3 years ago
Express as a ratio:
sertanlavr [38]

Answer:

65:1

87:1.00

5:2

60:2.40

2.00:80

200:1

7 0
3 years ago
Find the sum of 8756,9094 and 37,065
LuckyWell [14K]
87606159 is the answer
5 0
3 years ago
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