Simplify where possible 3a - 4a 6a

Answers

Answer 1

Answer: the answer is 5a. 3a- 4a is -1 then you add -1 and 6, and your outcome comes out to be 5a.

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6+3{[4-2(4-7)]}=
I need answer this whit steps.

pls.

Answers

Step-by-step explanation:

6+3((4-2(4-7))

1. 6+3((2(4-7))

2. 6+3((2(*-3)

3. 6+3(-6)

4. 6+(3*-6)

5. 6+-18

6. -12

Find the value to of each algebraic expression at the given replacement values.

Answers

Answer:

-1

Step-by-step explanation:

$x + 3xy \n x = 2 \n y = - (1)/(2)$

Substitute thevaluesinto the equation

$2 + 3(2)( - (1)/(2) ) \n 2 + 6( - (1)/(2) ) \n 2 - 3 \n = - 1$

If two circles have the same diameter, do they have the same circumference?

Answers

Yes, if 2 circles have the diameter of 5 then there circumference will be 15.7, assuming pi is 3.14

Chris walked for 3 miles on his hike. How many feet did Chris walk on his hike? (1 mile = 5,280 feet) A. 1,760 feet B. 5,277 feet C. 5,283 feet D. 15,840 feet

Answers

3 x 5280 = 15840 feet

therefore the answer is 15840 feet (D)

D.15,840 feet.........

How do I complete each pattern, Example 1 block, 3 blocks,6 blocks

Answers

Well,

This could be an arithmetic sequence.
1 + 2 = 3
3 + 3 = 6
6 + 4 = 10
10 + 5 = 15
15 + 6 = 21
...

This could also be a geometric sequence.
1*3=3
3*2=6
6*1=6
6*0=0
0*-1=0
0*(anything)=0
...

John needs to make a scale drawing of his school building for art class. If the building is 256.25 meters long, and John scales it down using a ratio of 25 meters to 1 inch, how long will the building be in the sketch?

Answers

So we want to know how long will the scale drowing of the building be if the building is 265.25m long and the scale is 1 inch on the drawing is equal to 25 meters of the building. To find the answer lets scale the building. If the real length of the building is 256.25 meters, then the number of inches will be: 256.25/25=10.25 inches.

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2x + y = 5 , x + y = 4Solve the system of linear equations.

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Point R is the midpoint of line segment XY. If XR=3n+1 and YR=16-2n, what is the length of line segment XY?Please explain your work.