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White raven [17]
4 years ago
7

Please help me!!!!!!!​

Mathematics
1 answer:
scZoUnD [109]4 years ago
8 0

Step-by-step explanation:

Write all numerators above the common denominator 7w-5w+6 (w+4)=0 Multiply parenthesis by 6 collect terms 7w-5w+6 (w+4) Wx (w+4) =0 set numerator equal to 0 8w=-24 divide both sides by 8 w=-3

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Evaluate 19C1 PLEASE HELP
LiRa [457]

Answer:

{19}C_1=19

Step-by-step explanation:

We need to find the value of {19}C_1.

C stands for combination.

The formula of combination is as follows :

nC_r=\dfrac{n!}{r!(n-r)!}

Here,

n = 19 and r = 1

So,

nC_r=\dfrac{19!}{1!(19-1)!}\\\\nC_r=\dfrac{19!}{1!\times 18!}\\\\nC_r=\dfrac{19\times 18!}{1!\times 18!}\\\\nC_r=19

So, the value of {19}C_1 is 19.

5 0
3 years ago
Read 2 more answers
a punch recipe says to mix 4 cups pineapple juice,8 cups orange juice,and 12 cups seltzer in order to make 18 servings of punch.
patriot [66]

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8 0
3 years ago
4x−5 for x=10<br><br> Please, I really need the answer.
hichkok12 [17]

Answer:

4(10)-5=35

Step-by-step explanation:

4(10)=40-5=35

4(10) is the same as 4x10

So think about it like 4x10-5

I hope this helps ;}

8 0
3 years ago
3(1−2)&lt;33
nasty-shy [4]

Answer:

true

Step-by-step explanation:

3(1)+3(-2)

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4 0
3 years ago
Steve has a square patio with sides of length 9 feet. He plans to enlarge it to a rectangular patio by
Greeley [361]

Answer:

51ft^2

Step-by-step explanation:

Given data

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New Area= 132ft^2

Hence the area added is

=132-81

=51ft^2

5 0
3 years ago
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