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Hoochie [10]
2 years ago
5

Decrease seventy-two hundredths by two tenths. Write the equation used to solve this problem

Mathematics
1 answer:
sweet [91]2 years ago
5 0
0.72
- .20
------------
0.52                                              (.20 is two tenths)
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Please help thank you!!
Dmitry [639]

Answer:

<h2>a. V = 420 cm³</h2><h2>b. V = 444 in³</h2><h2>c. V = 108 cm³</h2><h2>d. V = 324 m³</h2>

Step-by-step explanation:

We have the rectangular prisms.

The formula of a volume of a rectangular prism is:

V=lwh

l - length

w - width

h - height

==========================================

Look at the picture.

a.

Two congruent rectangular prisms 14cm × 3cm × 5cm.

V=2(14\cdot3\cdot5)=420\ cm^3

b.

One rectangular prism 15in × 4in × 6in and next 7in × 4in × 3in:

V=15\cdot4\cdot6+7\cdot4\cdot3=360+84=444\ in^3

c.

One rectangular prism 10cm × 3cm × 2cm and next 4cm × 3cm × 4cm:

V=10\cdot3\cdot2+4\cdot3\cdot4=60+48=108\ cm^3

d.

One rectangular prism 10m × 3m × 6m and next 8m × 3m × 6m:

V=10\cdot3\cdot6+8\cdot3\cdot6=180+144=324\ m^3

4 0
2 years ago
Can you help me please
cluponka [151]

11 times 2 equals 22. 418 divided by 22 is 19 so height is 19

4 0
3 years ago
I NEED HELP WITH THIS PROBLEM
coldgirl [10]

Answer:

3 1/2, 3

Step-by-step explanation:

Good luck!

3 0
3 years ago
Read 2 more answers
20 = x/4 - 13 help plz thank you
murzikaleks [220]

Answer: x = 132 daw

Step-by-step explanation: believe me

4 0
3 years ago
Read 2 more answers
What is the slope of the line on the graph?<br> Enter your answer in the box.
Firlakuza [10]

Answer:

I think this is the answer you are looking for. (See below)

Step-by-step explanation:

From the given graph it is noticed that the line is passing through many points.

The coordinates of three given points are (1,5), (-1,-1), (-1,-7)

If a line passing through two points (x1 ,y1) and (x2, y2) , the slope of the lie is defined by, m= y2 - y1/x2 - x1

The line passing through two points (-1,1) and (1,5). So the slope of the line is, m= 5 - 1 / 1 minus -1

m=4/2

Therefore, the slope of the line is 2.

Pls if this is wrong, let me know in the comments. I'm not really good at this topic in math but I hope it helps you. Sorry if it is wrong. Have a good day. :)

6 0
2 years ago
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