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ser-zykov [4K]
3 years ago
8

Y= 1/4x + 7 y = 1/2x + 5 The y-coordinate of the solution to the system shown is ____

Mathematics
2 answers:
nevsk [136]3 years ago
8 0
1/4x + 7 = 1/2x + 5....u basically sub one y in for the other y
7 - 5 = 1/2x - 1/4x
2 = 2/4x - 1/4x
2 = 1/4x
2 / (1/4) = x
2 * 4/1 = x
8 = x

y = 1/4x + 7
y = 1/4(8) + 7
y = 2 + 7
y = 9 <====
Alja [10]3 years ago
7 0

Answer:

y+9

Step-by-step explanation:

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364 inches cubed

Step-by-step explanation:

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Sue’s height is 3 inches less than Ed’s height. Ed is 56 inches tall. How tall is Sue? Write an equation to represent the situat
belka [17]

Answer:

S = E - 3

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Step-by-step explanation:

Let Sue's age be represented by S and Ed's by E

Equation:

S = E - 3

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5 0
3 years ago
If it takes B hours to walk a certain distance at the rate of 3 miles per hour, the number of hours it takes to return the same
natita [175]

Answer:

It will take 0.75B hours for the return leg

Step-by-step explanation:

Here, given that the first leg of the trip was for B hours at 3 miles per hour , we want to calculate the number of hours the return leg will take at 4 miles per hour given that it is the same distance.

Mathematically, we know that ;

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5 0
3 years ago
1/2 ln(x + 3) - lnx = 0 solve for x
rusak2 [61]
1

 

Simplify \frac{1}{2}\imath n(x+3)​2​​1​​ın(x+3) to \frac{\imath n(x+3)}{2}​2​​ın(x+3)​​

\frac{\imath n(x+3)}{2}-\imath nx=0​2​​ın(x+3)​​−ınx=0


2

 

Add \imath nxınx to both sides

\frac{\imath n(x+3)}{2}=\imath nx​2​​ın(x+3)​​=ınx


3

 

Multiply both sides by 22

\imath n(x+3)=\imath nx\times 2ın(x+3)=ınx×2


4

 

Regroup terms

\imath n(x+3)=nx\times 2\imathın(x+3)=nx×2ı


5

 

Cancel \imathı on both sides

n(x+3)=nx\times 2n(x+3)=nx×2


6

 

Divide both sides by nn

x+3=\frac{nx\times 2}{n}x+3=​n​​nx×2​​


7

 

Subtract 33 from both sides

x=\frac{nx\times 2}{n}-3x=​n​​nx×2​​−3


6 0
3 years ago
Let's Create
Cerrena [4.2K]

Answer:

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1) 1/4+___=7/12

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