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Pavel [41]
3 years ago
7

Subtract and simplify. Show work (-5y^2 – 9y – 4) - (-2y^2– y + 8)

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0
Subtract:-8y+2y^2-37 Explanation: you will start off by simplifying each term so you would raise 5 to the power of 2 and get -1x25-9y-4-(-2y2-y+8) and you then multiply -1 by 25 so you would do -25-9y-4-(-2y^2-y+8) and then you would apply distributive property so you would do -25-9y-4+(2y^2)- -y-1x8 and then you simplify and get -25-9y-4+2y^2+y-8 and lastly you would simplify by adding terms so you would subtract 4 from -25 so do −9y-29+2y^2+y-8. And then add -9y and y by doing -8y-29+2y^2-8 and subtract 8 from 29 and get your answer as -8y+2y^2-37
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Chen wants to buy a pair of pants that regularly cost $54 . Today, the pants are on sale for 60% of the original price.
s2008m [1.1K]
Do a proportion
60/100= x/54

Cross multiply and divide
54 x 60= 3,240
3,240 divided by 100 is 32.4

Now subtract
54- 32.4= 21.6
Answer is $21.6
3 0
3 years ago
Nick's dad wanted to measure the length of his backyard and asked Nick to do this with his footsteps. Since it was winter, they
Lerok [7]

Answer:

2244 cm

Step-by-step explanation:

The first first thing we must do is find the LCM of the following numbers

(51; 68) = 204.

This means that the first time they coincide is at 204.

Now, since his steps always coincide after 204

In Nick's case

Nick's 204 ÷ 51 = 4th step

and in the case of the father

204 ÷ 68 of his father = 3rd step.

Which means that in the 204 cm distance, there will be a total of 6 foot steps, except in the first 204 cm when your "initial" step is counted.

Replacing these values we have that the total distance will be:

67-1 (initial step) / (6 * 204) = 2244 cm

7 0
3 years ago
Se empaquetaron 573 carros de juguete en cajas. Cada uno tiene capacidad para 8 coches de juguete.
jasenka [17]

Answer

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4 0
2 years ago
F(x) = x² – 3x; Find f(-8)
Shtirlitz [24]
F(-8)=8^2-3(-8)
=64+24
=88

Hope this can help.
7 0
3 years ago
A pet store sells mice reptiles and birds Let event A = a customer buys a mouse Let event B = A customer buys a reptile What doe
enyata [817]

Answer:

The correct option is C.

Step-by-step explanation:

According to the question given in the attached picture:

Event A = a customer buys a mouse

Event B = A customer buys a bird

P(A or B) = 0.25

Now have a look at the probability P(A or B). Here or means either..Its means that the customer will purchase either a mouse or a bird. That means that there is 0.25 or 25% probability that the customer will purchase either a mouse or a bird. In this case there are only 3 choices, which are: the customer will either purchase a mouse, a bird or a reptile because the pet store has only these three possible outcomes. We are not told that how much of each animal they have. Thus the probability that the customer will either purchase either a mouse or a bird is  0.25 or 25%. That means that the probability of either purchasing a mouse or a bird is added together which is 0.25 or 25%

Thus the correct option is C....

4 0
3 years ago
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