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Kaylis [27]
3 years ago
8

Find the missing number in 7.5+(4.8+9.9)=

Mathematics
1 answer:
777dan777 [17]3 years ago
6 0
I know the answer is 22.2

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I need to simplify this<br> (3x^2+2xy+4y^2) + (6x^2-5xy+3y^2) + (9y^2-25y^2)
Andreyy89
(3x² + 2xy + 4y²) + (6x² - 5xy + 3y²) + (9y² - 25y²)

Get rid of the parenthesis :)

3x² + 2xy + 4y² + 6x² - 5xy + 3y² + 9y² - 25y²

Add like terms.

(3x² + 6x²) + (2xy - 5xy) + (4y² + 3y² + 9y² - 25y²)

Simplify.

(9x²) + (-3xy) + (-11y²)

Get rid of the parenthesis.

9x² - 3xy - 11y²

~Hope I helped!~
8 0
3 years ago
3. Riley noticed an aquarium in his mother’s office. The aquarium has the dimensions 16 in. by 8.5 in. by 10.5 in. The formula f
zzz [600]

16x8.5x10.5=1428in

so then u multiply by 3 and that would equal 4,284

so yes therefore u would triple the demsions

3 0
3 years ago
Factor the algebraic expression. 27a+24
BartSMP [9]

Answer:

3(9a+8)

Step-by-step explanation:

have a nice day and week

7 0
2 years ago
Read 2 more answers
What is the Interquartile Range (IQR) of the pumpkin weights? <br> a) 10<br> b) 4<br> c) 15<br> d) 8
Alborosie
I think the answer will be c
3 0
2 years ago
Read 2 more answers
Can any one help me with this please.??
agasfer [191]
The answer is 45 yeh
7 0
3 years ago
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