MATHEMATICS MIDDLE SCHOOL

The sentence 3+(5+2)=(5+2)+3 illustratesA: the commutative property of addition.
B: the associate property of addition.
C: the distributive property of multiplication over addition.
D: the additive identity element.

Answers

Answer 1

Answer: B: The associate property of addition.

Answer 2

Answer:

Answer:

Its B

Step-by-step explanation:

That deserves Brainliest

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A dining Room Table Measures 1.78m long. Express this measurement in millimeters.A. Explain Your Thinking Using a place value chart.

B. Explain Your Thinking Using An Equation That Explains Am EXPONENT.

- please help. I'm stuck.

Answers

1 metre = 100 centimetres
100 centimetres = 1000 milimetres .

so 1.78 m = 178 centimetres .
x 10 to give you the milimetres (which would be 10x178cm = 1780 mm :) )

28. The cost c per person to participate in a guided mountain biking tour depends on the number of people n participating in the tour. This relationship can be described by the function c = -3n + 60, where 0 < n < 12. What is the rate of change described by this function? A 20 people/tour C $20 per person B -3 people/tour D -$3 per person

Answers

D- $3 per person because C=-3n+ 60 where 0<n <12 is have a rate of change of -$3 for each person.

What is 5.7 subtracted by 4.2?

Answers

$5.7-4.2= 1.5$

Answer:

1.5

Step-by-step explanation:

What is 0.076 in scientific notation

Answers

7.6 x 10^2 that's the answer

I hope this helps you

Solve for A -2=-13+8A

Answers

Answer:

-1.87500

Step-by-step explanation:

-2 = 13 + 8a

Subtract 13 on each side

-15 = 8a

Divide 8 on each side

a = -1.87500

A = 11/7 should be the answer

You are measuring the height of a lamppost. You stand 40 inches from the baseof the lamppost. You measure the angle of elevation from the ground to the top!
of the lamppost to be 70°. Find the height h of the lamppost to the nearest inch.