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Arturiano [62]
3 years ago
15

I NEED NUMBER 4 PLEEEEEASE

Mathematics
1 answer:
german3 years ago
8 0
Find the area of the first dish: since it's a square multiply the side by the side: 8•8=64. Find the area of the second dish: 9•9=81. Now subtract the first one for the second one: 81-64=17 square inches :)
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Please please please please helppppp
Marizza181 [45]
For question 3. A
4. A
5. B
6 0
3 years ago
Read 2 more answers
There are 15 coins, which are nickels and dimes only, in Ediths purse. The total value of the coins in her purse is $1.15. If n=
Goshia [24]

Answer:

n=7 d=8

Step-by-step explanation:

n+d=15 d=15-n

0.05n+0.1(15-n)=1.15

0.05n-0.1n+1.5=1.15

-0.05n=-0.35

n=7 d=8

5 0
2 years ago
A watering can dispenses water at the rate of 0.25 gallon per minute. The original volume of water in the can was 6 gallons. Whi
nydimaria [60]

I believe the answer should be A {(1, 6.0),(2, 5.75),(3, 5.50)}

4 0
4 years ago
Lena has 32 pens. 3/4 of the pens are blue. How many blue pens does Lena have?
melomori [17]

Answer:

<u><em>24 pens are blue</em></u>

Step-by-step explanation:

32 pens in total and 3/4 of it are blue.

32 ÷ 4 = 8

8 × 3 = 24

<u><em>24</em></u> of the 32 pens are blue pens

8 0
3 years ago
Read 2 more answers
What is an easy way to factor and equation like 2x^2-5x+3, without using the British method?
gladu [14]

Answer:


Step-by-step explanation:

I learned this easy way to complete the sqare in the fastest way possible

First you want to get it to x^2. So the first thing you would do is divide the entire equation by 2 to get 2(x^2 -5/2x +3/2). then you do one half of b or in this case -5/2. That would make -5/4. you would put this into the factor.

2( x -5/4 +    ) ( x -5/4 -      )

Then you square that number (-5/4)

That makes 25/16. you take that number and subtract the last number or the constant, c to make 1/16. now to finish it up you square root that number. the squre root of 1/16 is 1/4. then you put that into the last part of the factor.

2( x -5/4 + 1/4) ( x -5/4 - 1/4)

Then you simplify

(x-1) 2(x-3/2)

(x-1) (2x-3)

now to make sure I am correct, I will re-multiply it out

2x^2 -5x + 3

3 0
3 years ago
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