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PIT_PIT [208]
3 years ago
13

6x+7y=4x+4y complete the missing value in the solution to the equation (?,-4)

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

we have

6x+7y=4x+4y

we know that

the solution is ----> (x,-4)

substitute the value of y=-4 in the equation

6x+7*(-4)=4x+4*(-4)

6x-28=4x-16

Combine like terms

6x-4x=28-16

2x=12

x=12/2

x=6

therefore

<u>the answer is</u>

the missing value is x=6

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Step-by-step explanation:

7 0
3 years ago
Find the 100th term in the arithmetic sequence 0,5,10,15
Viktor [21]

Answer:

easy peasy,

the 'n' th term of any arithmetic sequence can be found with the following formula

=> a + ( n-1) d, [where 'a' if the first term of the sequence, 'n' the number of term we need to find, and 'd' being the common difference between each two consecutive term of the sequence)

all in this case would be,

a = 0

n = 100

d = +5

hence the 100th term would be,

=>  0 + (100 - 1) 5

=> 99 x 5

=> 495

8 0
3 years ago
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:) Well, I dunno about anyone else but this question makes my head spin!
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3 years ago
What is the solution to 3/4b=8
soldier1979 [14.2K]

Answer:

b=\frac{32}{3}

Step-by-step explanation:

\frac{3}{4}b=8

Multiply both sides by 4:

4\times \frac{3}{4}b=8\times4

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Divide both sides by 3:

\frac{3b}{3}=\frac{32}{3}

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6 0
3 years ago
3. The point D(3, -2) is
ExtremeBDS [4]

Answer:

D' = ( -3, -2)

Step-by-step explanation:

Rate me branliest please :)

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