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TEA [102]
2 years ago
5

Explore Three Dimensional Shapes: Investigation 4I need help with the worksheet

Mathematics
1 answer:
yawa3891 [41]2 years ago
8 0

1. Volume is Length x width x height.

Volume = 6 x 4 x 8 = 192 ft^2

Answer is D.

2. Divide the volume by the height to get the area of the base.

Area of base = 312 / 12 = 26 in^2

Answer is D.

3. A 1/2 x 8 x 6 = 24 x 12 = 288 cm^3

   B.  (12 +6)/2 x 5 = 45 x 14 = 630 m^3

4. See attached picture.

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A scientist removed a sample of 39.1 grams of a chemical from a container. The sample was 5 3/4 grams less than 3/10 of the tota
Oksanka [162]

The first thing we must do for this case is to define variables:

x: the total mass of the chemical in the container

y: a sample of a chemical from a container

We have the following equation:

y = (3/10) x - 5 3/4

Then, for y = 39.1 we have:

39.1 = (3/10) x - 5 3/4

Clearing x:

(3/10) x = 39.1 + 5 3/4

(3/10) x = 44.85

x = (10/3) * (44.85)

x = 149.5 grams

Answer:

the total mass in grams of the chemical in the container before the scientist removed the sample of 39.1 grams was:

x = 149.5 grams.

3 0
3 years ago
Determine whether the subset of Mn,n is a subspace of Mn,n with the standard operations of matrix addition and scalar multiplica
sveta [45]

Answer:

solution is attached in the picture below

Step-by-step explanation:

8 0
3 years ago
Can anyone help me solve this please? I’m confused.
Varvara68 [4.7K]
From what is there it is nearly impossible to find an exact number so I would say C... hope this helps
7 0
3 years ago
What is the answer to this question it is urgent
UkoKoshka [18]

Answer: the answer is D

Step-by-step explanation: may i please have brainliest.

4 0
2 years ago
Read 2 more answers
What are the apparent zeros of the function graphed above ?
gregori [183]

Answer:

-2,1,4

Step-by-step explanation:

we have

y=x^{3}-3x^{2} -6x+8

we know that

The zeros of the function are the values of x when the values of the function is equal to zero

In this problem the apparent zeros are

For x=-2

y=0

For x=1

y=0

For x=4

y=0



3 0
3 years ago
Read 2 more answers
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