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omeli [17]
3 years ago
13

Plzzz helpppp itssss urgentt!!!!!!!!

Mathematics
1 answer:
azamat3 years ago
6 0

Answer:

4) 40 Square inches

Step-by-step explanation:

You do 2 x 4 then divide by 2. after that you multiply by 4.  Then you add the square which is 2 x 2

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3. Siti and Mary shared $35 in the ratio 4:3.<br> How much money did Siti receive?
Mashcka [7]

Answer:

$20

Step-by-step explanation:

First we will change the ratio so that we are finding how much money Siti receives to the total amount of money.

4:3 \rightarrow 4:(3+4)=4:7

Now we can solve for how much money Siti receives using a proportion.

\frac{4}{7} = \frac{\mbox{money Siti receives}}{35}

We can see that the denominator increases 5 times, so the numerator must increase 5 times too. This means Siti receives $20.

6 0
2 years ago
Which complex number is equivalent to the given expression?<br> (-45 - 22i) + 2(5 - 3i)(5 + 3i)
PilotLPTM [1.2K]

Hint:

Use distributive property, then combine like terms.

I think you've got it from there :)

If you need more help, just comment on this.

If you still are confused, then see below.

Answer:

-45-22i+(10-15i)(5+3i)

-5-22i+50+30i-75i-45i

112i-45

4 0
3 years ago
Which equation can be used to find how much of a 50 g sample of nitrogen-16 is left after 7 minutes?
miv72 [106K]

Answer:

Step-by-step explanation:

50(0.5) square 50

8 0
3 years ago
Which angles are supplementary?
professor190 [17]

Answer:

c 2,3

Step-by-step explanation:

8 0
2 years ago
What if it was 20% off the original price?
Lera25 [3.4K]
Let the original price = x
Then, it would be: 0.20 * x

In short, Your Answer would be 0.20x

Hope this helps!
7 0
3 years ago
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