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2 years ago

9 + (3x + 4) = 9 + (4 + 3x) shows and example of what property?

Mathematics

2 answers:

Blababa [14]2 years ago

6 0

Answer:

A. Communative Property of Addition

Step-by-step explanation:

Ann [662]2 years ago

5 0

A.communicative property

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What can be an equation of the line with a slope of −7 that passes through the point (−3,12).

laiz [17]

Answer:

y=-7x-9

Step-by-step explanation:

y=mx+b(where m is slope and b is y intercept)

y=-7x+b

plugging the number in we get

12=-7(-3)+b

12=21+b

b=-9

so y= -7x-9

if you find my answer helpful please mark as brainliest.

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2 years ago

I’m so bad at this pls-

dolphi86 [110]

Answer:

$5 \sqrt{2}$

Step-by-step explanation:

$\sqrt{5} \times \sqrt{10} \\ = \sqrt{5} \times \sqrt[]{5} \times \sqrt{2} \\ = 5\sqrt{2}$

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3 years ago

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What’s the value of [-1.1]

arlik [135]

The value is 1.1. Because it is 1.1 spaces away. the negative symbol isn’t,t important in this case.

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3 years ago

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I need the answers to this question

erastovalidia [21]

Answer: <u>Madison can travel 2.2 miles less than Anthony on one gallon of gas.</u>

Step-by-step explanation:

The equation y = 39.1 $x$ represents the number of miles, $y$ , that madison can drive her car for every x gallons of gas.

Question: Madison can travel _ miles _ than Anthony on one gallon of gas.

Lets find how much Madison travels on 1 gallon of gas.

39.1(1) = 39.1

Therefore, Madison travels 39.1 miles on one gallon of gas.

Now lets solve for Anthony

Anthony travels 380.7 miles on 9 gallons of gas.

Therefore we can set up the equation:

9x = 380.7 to show that 9 gallons equates to 380.7 miles

to solve divide 9 from both sides

$\frac{9x}{9} =\frac{380.7}{9}$

x = 41.3

So, Anthony travels 41.3 miles on one gallon of gas

Now find whether Madison travels more or less than Anthony on one gallon.

39.1 - 41.3 = -2.2

This means that Anthony can travel 2.2 miles more than Madison.

For your answer, this means that:

<u>Madison can travel 2.2 miles less than Anthony on one gallon of gas</u>

<u></u>

<em>Hope this helped and have a nice day :)</em>

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2 years ago

Evaluate the expression for the given values.<br> 12x+5y/3z, where x + 1/2, y = 6 and z = 3

Semmy [17]

Answer:

Step-by-step explanation:

Substitute: $\frac{\frac{12}{2} +5*6}{3*3}$

Cross out the common factor: $\frac{6+5*6}{3*3}$

Calculate the product or quotient: $\frac{6 +30}{3*3}$

Calculate the product or quotient: $\frac{6+30}{9}$

Calculate the sum or difference: $\frac{36}{9}$

Cross out the common factor: $4$

Answer: $4$

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2 years ago

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