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Arte-miy333 [17]
4 years ago
10

Which expression is equal to 4(2a plus b)

Mathematics
2 answers:
arlik [135]4 years ago
6 0

Answer:

8a + 4b

Step-by-step explanation:

4(2a+b) = 8a+4b

sveticcg [70]4 years ago
3 0

8a+4b, because when you distribute the 4 to the parentheses you multiply 2a times 4 and b times 4.

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What does 12 T = in lb?
Papessa [141]
There are 2000 pounds in 1 ton

So, to to get how many pounds are in 12 tons, multiply 12 by 2000

12 x 2000 = 24,000

24,000 lbs
6 0
3 years ago
If p(x) = 2x2 – 4x and q(x) = x – 3, what is mc007-1.jpg? 2x2 – 4x + 12 2x2 – 16x + 18 2x2 – 16x + 30 2x2 – 16x + 15
Rainbow [258]
P(x) = 2x² - 4xq(x) = x - 3
To find the answer, we plug q(x) into p(x):
p(q(x)) = 2(x - 3)² - 4(x - 3)p(q(x)) = 2(x² - 6x + 9) - 4x + 12p(q(x)) = 2x² - 12x + 18 - 4x + 12p(q(x)) = 2x² - 16x + 30
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3 0
4 years ago
Read 2 more answers
New York City has a population of 8.55 million and 300 square mile. Manhattan has 1.64 million and 23 square miles. How much gre
harkovskaia [24]

Given :

New York City has a population of 8.55 million and 300 square mile area .

Manhattan has 1.64 million and 23 square miles area .

To Find :

How much greater is the population density of Manhattan than New York City.

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Population density of New York City :

D_{NY}=\dfrac{8.55}{300}=0.029 \ million/mile^2\\\\D_{M}=\dfrac{1.64}{23}=0.071 \ million/mile^2

Now ,

D_{M}-D_{NY}\\\\(0.071-0.029)=0.042\ million/miles^2

Therefore , population density of Manhattan is 0.042\ million/miles^2 greater than New York City .

Hence , this is the required solution .

4 0
3 years ago
Martin has 2 5/8 pounds of ground beef. He wants to divide the beef into equal sized portions to put into his freezer. The porti
Licemer1 [7]

Answer:

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b) 3 equal sized pieces of 7/8 pounds

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Step-by-step explanation:

Martin has 2 5/8 pounds of ground beef.

2 5/8 = 21/8 pounds = 2.625 pounds

Because 21 is divisible by 3 and 7, we can arrange the ground beef in two configurations

a) 7 equal sized pieces of 3/8 pounds

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b) 3 equal sized pieces of 7/8 pounds

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6 0
3 years ago
What is the quadratic equation of x2 - 7x + 6 = 0
s2008m [1.1K]

Answer:

x = 6 , 1

Step-by-step explanation:

7 0
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