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kaheart [24]
3 years ago
14

Which expression is equivalent to 23+ (15+22) by the associative property of addition?

Mathematics
1 answer:
shepuryov [24]3 years ago
5 0

Answer:

i think the answer is C

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Consider a square and a regular hexagon (a 6-sided figure with sides of equal length). One side of the square is 4 feet longer t
Reil [10]
Notice the picture below

now, we know their perimeter are the same for both

thus 4(a+4) = 6a

solve for "a"

6 0
3 years ago
I need help fast if you can help me that would be amazing
qaws [65]
A, b, d, g are the answers in order
7 0
4 years ago
Jessica, an experienced bungee jumper, leaps from a tall bridge and falls toward the river below. The bridge is 200 feet above t
Sauron [17]

Answer:

70 feet above the water will it begin to stretch.

Step-by-step explanation:

200 - 130 = 70

5 0
3 years ago
Dave also starts a new job, but his hourly pay starts at $7.25. Suppose that he gets a 40¢-per-hour raise each year.
pshichka [43]

Answer:

$8.5

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

<em>Dave also starts a new job, but his hourly pay starts at $7.25. Suppose that he gets a 40¢-per-hour raise each year. What will Vicky’s hourly pay be in 3 years</em>

My answer:

Given:

  • Rate per hour: $7.25.
  • Hour raise each year: 40¢-

=> the percentage of rate increasing:

(40¢ / $7.25)*100%

= (40¢ / 7.25*100¢)*100%

= 5.5%

What will Vicky’s hourly pay be in 3 years

This is a compound growth problem.  The formula is:

F=P(1+r)^t

<=> F = =7.25(1+0.055)^3

<=> F = $8.5

So the rate after three years is $8.5

Hope it will find you well.

4 0
3 years ago
Is the addends are 170 and 130 what is the sum
Marysya12 [62]
If you have a calculator I would suggest using that, but otherwise here's the process:

170
+130
--------

Add the zeros.

0
+0
-----

Add 70 and 30.

70
+30
------

Carry the 1 on the 10

Add 100, 100, and 100 (From the 10)

100
100
+100
--------

Add 300, 0, and 0.

300
0
+ 0
---------

The answer is 300.
7 0
3 years ago
Read 2 more answers
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