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2 years ago

(2x2 + 7x) + (2y2 + 6y) = (2y2 + 6y) + (2x2 + 7x) ✓ commutative property What is the answer

Mathematics

1 answer:

Korvikt [17]2 years ago

5 0

Answer:

Step-by-step explanation:

Sorry i am pretty sure I know the answer but I don’t know how to do It with commutative property

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Megan bikes 10 mi in 40 min. At this rate, how far can she bike in 60 min?

Anna71 [15]

I'd say 35-40 miles...

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2 years ago

X+2(x+3(x+4(x+5)))=153

Allushta [10]

Answer:

$x=1$

Step-by-step explanation:

Here first open the inner parentheses and use the distributive property,

$4(x+5)=4x+20\\\\(x+4(x+5))=(x+4x+20)=(5x+20)\\\\3(x+4(x+5))=3(5x+20)=15x+60\\\\(x+3(x+4(x+5)))=(x+15x+60)=16x+60\\\\2(x+3(x+4(x+5)))=2(16x+60)=32x+120\\\\x+2(x+3(x+4(x+5)))=x+32x+120=33x+120\\\\\\Hence\ x+2(x+3(x+4(x+5)))=x+32x+120=33x+120\\\\\Rightarrow 33x+120=153\\\\33x=153-120\\\\33x=33\\\\x=1$

3 0

2 years ago

If x equals 5 what is 72+72+18x+9+18x+9

romanna [79]

Answer:

342

Step-by-step explanation:

x=5

72+72+18(5)+9+18 (5)+9=342

7 0

2 years ago

Charlie runs at a speed of 3 yards per second.about how many miles does Charlie run

crimeas [40]

I think since he runs 3 yards per hour per second their are 60 seconds in a minute so 60 times equals 180 yards per second

5 0

2 years ago

Solve for <br> 3x + 12= -12

oee [108]

Answer:

x = -8

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 12 from both sides:

3x + 12 (-12) = -12 (-12)

3x = -12 - 12

3x = -24

Next, divide 3 from both sides:

(3x)/3 = (-24)/3

x = -24/3

x = -8

x = -8 is your answer.

4 0

2 years ago

Read 2 more answers