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Oksi-84 [34.3K]
2 years ago
14

Evaluate the expression [3(15+4)2 +2(20+5)2]0 0 5 1 2

Mathematics
1 answer:
Lostsunrise [7]2 years ago
5 0

0, 5, 5, 1, 2

is evaluate

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Which mark on the tape measure is closest to 2.23607 inches?
Lapatulllka [165]

Answer:

  5.7 cm or 2 1/4 in

Step-by-step explanation:

Your tape measure is not shown.

  On my tape measure, 5.7 cm is the closest mark. On the inch scale, 2 1/4 inches is the next-closest mark.

_____

On a tape measure graduated in 1/32 inch between 2 and 3 inches, you can find the closest mark by rounding to the nearest 32nd:

  2.23607 × 32 ≈ 71.55 ≈ 72 --- 32nds of an inch

  72/32 = 2 1/4 . . . . the closest mark on an inch ruler graduated in 32nds

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For a ruler graduated in millimeters, you can find the closest millimeter in the same way. There are 25.4 mm to the inch.

  2.23607 in × 25.4 mm/in ≈ 56.80 mm ≈ 57 mm

  57 mm = 5.7 cm . . . closest mark on metric scale

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When we check the error, we find the metric mark is closer than the inch mark.

  5.7 cm ≈ 2.24409 in . . . . error of 0.00802 in

  2 1/2 in = 2.25000 in . . . error of 0.01393 in

5 0
3 years ago
Name the property illustrated by each statement (8x+3)+12=(8x+3)+12
evablogger [386]

Answer:

Reflexive property

Step-by-step explanation:

The statement says that some number is equal to itself.

That's the reflexive property.

3 0
3 years ago
The longest side of an acute triangle measures 30 inches. The two remaining sides are congruent, but their length is unknown.
Leno4ka [110]
Really, we don't need to use that much math--we can use logic instead. Since the two congruent sides must be longer than 30in, the total has to be greater than 60in (the longest side plus the congruent sides.) So for our answer, we want the smallest total that is above sixty, which in this case is 72.44in.

Hope I helped, and let me know if you have any questions :) I can explain the real math if you want, it was just unnecessary here.
3 0
3 years ago
Read 2 more answers
I need help with this lol
larisa86 [58]
Yo no he podido ir a ver uow pero no me ha dado like 18
8 0
3 years ago
2 tens and 76 ones equals
garri49 [273]
It equals 96. hope that helped
5 0
3 years ago
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