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kolezko [41]
2 years ago
11

Apply properties of operatione to write an equivalent expression​

Mathematics
1 answer:
____ [38]2 years ago
4 0

Answer:

4t

Step-by-step explanation:

All we are doing is combining like terms and since all of then have a "t" in it we would just add the 4 "t's" together like normal addition.

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Surface area of a box 12 x 6 x 9.5
Ber [7]

9514 1404 393

Answer:

  486 square units

Step-by-step explanation:

Use the surface area formula with the given numbers.

  SA = 2(LW +H(L +W))

  SA = 2(12·6 +9.5(12 +6)) = 2(72 +9.5(18)) = 486

The surface area of the box is 486 square units.

4 0
3 years ago
A train leaves Boston at 10:20 AM and arrives in Stamford at 1:00 PM. Find the distance between the stations if the average spee
mina [271]
60 mph = 1 mile per minute
10:20 AM -> 1:00 PM = 2 hours and 40 minutes
2 hours 40 minutes = 160 minutes
Boston -> Stamford = 160 miles
4 0
3 years ago
A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sur
n200080 [17]

Answer:

See below.

Step-by-step explanation:

Length * width

4 * 3 = 12 ft^2

6 0
2 years ago
Read 2 more answers
(a) 34 is 85% of what number?<br> (b) What is 15% of 80?
lana [24]

Answer:

A. 40.          B.12

Step-by-step explanation:

40/34=.85

80*.15=12

6 0
2 years ago
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