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Gnoma [55]
3 years ago
14

Using formulas in geometry help! due tommorow

Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0

Answer:

1. P= 12

2. A=6

3. 3.75

Step-by-step explanation:

Hope This Helped

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A bulletin board measuring 28 dm long was divided among three subject areas in the ratio 2:2:3. How much space was alothed for e
Sphinxa [80]

Answer: Space was alloted for each subject is 8 dm, 8 dm, 12 dm.

Explanation:

Since we have given the length of bulletin board =28 dm

Let the share of three subject areas be 2x,2x,3x

According to question,

2x+2x+3x=28\\7x=28\\x=\frac{28}{7}\\x=4dm

so x=4 dm

Now,

Space was alloted for each subject is given as below:

First subject =2x=2\times 4=8 dm

Second subject =2x=2\times 4=8 dm

Third subject =3x=3\times 4=12 dm

4 0
3 years ago
Point D is on line segment \overline{CE}
ANTONII [103]

Answer:

DE = 18

Step-by-step explanation:

Given that,

Point D is on line segment CE.

DE = x+10, CD=6 and CE=3x

We need to find the length of DE.

ATQ,

CE = CD + DE

Putting all the values,

3x = 6 + x+10

Taking like terms together

3x-x = 16

2x = 16

x = 8

DE = x+10

= 8+10

= 18

Hence, the length of DE is 18.

5 0
2 years ago
Examine the rotation. Which best describes point D?
Nadusha1986 [10]
We can’t see the rotation
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Given Ohm's Law, V=IR<br> which of the following operations will solve for I?
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3 years ago
From 75 pencils to 225 penicls
Masja [62]

Answer:

He gained 150 pencils

Step-by-step explanation:

So this person had 75 pencils and now has 225?

If so, this is just a subtraction problem!

Steps:

1. 225-75=150

--Subtract how many pencils he had from how many he has now to see how much he gained

This person gained 150 pencils.

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