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3 years ago

Multiply. (4y+6)(3y2 - 2y+5) Simplify your answer.

Mathematics

2 answers:

vivado [14]3 years ago

8 0

Answer:

Hope it helps ... Have a nice day 

Step-by-step explanation:

$(4y+6)(3y^{2} y-2y+5)\\12y^{3} -8y^{2} +20y+18y^{2} -12y+30\\12y^{3}+10y^{2} +8y+30$

navik [9.2K]3 years ago

5 0

16y^2+44y+30 that is the answer because if you remove the parentheses you will get

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Factor out the coefficient of the variable 1/2a-1/2

kirill115 [55]

1/2a - 1/2 = 1/2(a - 1)
You can factor out the 1/2.

5 0

3 years ago

60 in the ratio of 5:7

dusya [7]

5+7 = 12
60/12 = 5

5 x 5 = 25
5 x 7 = 35

60 in the ratio of 5:7 = 25:35
hope it helps

4 0

3 years ago

Read 2 more answers

In a certain city, there are about one million eligible voters. A simple random sample of size 10,000 was chosen to study the re

Ronch [10]

Answer:

REQUIRED TEST STATICS IS 35.19

Step-by-step explanation:

total size of sample = 10,000

men women

voted 2777 3466

did not vote 1444 2313

By chi square test we can find the relationship between gender and participation in the election

$X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}$

where

a represent = 2777, b = 3466, c= 1444, d = 2313, N = 10000

Putting values to get chis square statics

$X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}$

$X^2 = = 35.159$

HENCE REQUIRED TEST STATICS IS 35.19

3 0

3 years ago

Bob's Gift Shop sold 600 cards for Mother's Day. One salesman, Victoria, sold 10% of the cards sold for Mother's Day. How many c

Aleonysh [2.5K]

Answer:

Step-by-step explanation:

600*10%

8 0

3 years ago

Multiplies to -1120 adds to 3

TEA [102]

With these, always write out the multiples first.

Start like this:
(assume one of the factors is negative)
1 and 1120
2 and 560
4 and 280
5 and 224
7 and 160
8 and 140
10 and 112
14 and 80
16 and 70
20 and 56
28 and 40
32 and 35

from those, the obvious choice is the one with a difference of three. In this case, 32 and 35, because -32 + 35 equals 3.

6 0

3 years ago