What is times plus 4

Answers

Answer 1

Answer:

Answer:

you forgot the number before times

Step-by-step explanation:

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(I screenshot the question and choices. please help if you can )

Answers

lateral area=(pi)(r)(slantheight)
totalarea=(pi)(r)(slantheight)+(pir^2)

slantheight=24
r=11
lateralarea=pi*11*24=264pi aprox=829.4 ft^2

total area=pi*11^2+264pi=121pi+264pi=385pi=aprox 1209.5 ft^2

pick first option

Solve, using the substitution method.

2x + 4y = 16
x – 7 = – 4y

Answers

$2x + 4y = 16\nx - 7 = 4y\n\n2x + 4y = 16\nx = 4y+7\n\n2(4y+7)+4y=16\n8y+14+4y=16\n12y=2\ny=(2)/(12)=(1)/(6)\n\nx=4\cdot(1)/(6)+7\nx=(4)/(6)+7\nx=(2)/(3)+(21)/(3)\nx=(23)/(3)$

Ugh why do you even have to use substitution method, the elimination method is so much easier in this instance... :/

Okay well first off you want to get x alone on one side of the equals sign.

x - 7 = -4y
+ 7 + 7
---------------
x = -4y + 7
Then you plugin -4y + 7 for x in the other equation.

2(-4y + 7) + 4y = 16
Then distribute.

-8y + 14 + 4y = 16
Combine like terms.

-4y + 14 = 16
-14 -14
-----------------------
-4y = 2
---- ------
-4 -4

y = -0.5

x - 7 = -4(-0.5)
-----------------------
x - 7 = 2
+ 7 +7
----------------
x = 9

Then you plugin the answers for each variable to check, but I will let you do that.

The decimal -2.97 is the solution to which subtraction problem?