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lesya [120]
3 years ago
5

Eighth grade What is the surface area? 1 m 1 m 1 m square meters

Mathematics
1 answer:
aivan3 [116]3 years ago
8 0

Answer:

If those are the dimensions the surface area is 6 meters

Step-by-step explanation:

cubes have six sides and each side is one unit

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Luis was hired to make some jewelry for a special occasion. He needs to make the jewelry out of an alloy that is 54%silver and h
AleksAgata [21]

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Answer:

  • 3 ounces of 75%
  • 7 ounces of 45%

Step-by-step explanation:

Let x represent the number of ounces of 75% silver needed. Then (10-x) is the number of ounces of 45% silver. The total silver required is ...

  0.75x +0.45(10 -x) = 0.54(10)

  0.30x +4.5 = 5.4

  0.30x = 0.9

  x = 0.9/0.3 = 3 . . . . . ounces of 75% silver

  10-x = 7 . . . . . ounces of 45% silver

Luis needs 7 ounces of 45% silver and 3 ounces of 75% silver.

8 0
3 years ago
Write a function rule for the relationship between the amount of plant food remaining, f(x), and the number of days that have pa
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Answer:

f(x) = 72-12x

Step-by-step explanation:

this might be too late but it could be useful for future people

6 0
3 years ago
What is the Area of the circle
diamong [38]

\qquad\qquad\huge\underline{{\sf Answer}}♨

Area of circle :

\qquad \sf  \dashrightarrow \:\pi r {}^{2}

\qquad \sf  \dashrightarrow \: \pi\times (3.5) {}^{2}

\qquad \sf  \dashrightarrow \:12.25 \:  \pi

\qquad \sf  \dashrightarrow \:38.465 \:  \: unit {}^{2}

5 0
2 years ago
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The points T(1,5), U(-5,1), and V(4,-2) are the midpoints of the sides of triangle ABC. Graph the three midsegments. Complete th
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Answer:

use your instincts

Step-by-step explanation:

trust your gut that is what my idiot dad told me to do

3 0
3 years ago
Ten members of a wedding party are lining up in a row for a photograph. How many ways are there to line up the ten people? How m
svp [43]

Answer:

(a) 10!

(b) 9!

(c) 2!9!

Step-by-step explanation:

(a)

Total number of members = 10

We need to line up the ten people.

Total number of ways to arrange n terms is n!. Similarly, total number of ways to line up the ten people is

\text{Total ways} =10!

Therefore the total number of ways to line up the ten people is 10!.

(b)

Let groom is immediate left of the bride it means both will sit together. So we need to arrange peoples for total 9 places (8 of others and 1 of bride and groom).

\text{Total ways} =9!1!1!=9!

Therefore the number of ways to line up the ten people if the groom must be to the immediate left of the bride in the photo is 9!.

(c)

Let groom is immediate left of the bride it means both will sit together. So we need to arrange peoples for total 9 places (8 of others and 1 of bride and groom).

Bride and groom can interchange there sits.

Total number of ways to arrange bride and groom = 2!

\text{Total ways} =9!2!

Therefore the number of ways to line up the ten people if the groom must be next to the bride (either on her left to right side) is 9!2!.

3 0
3 years ago
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