2 years ago

100 POINTS

Mathematics

1 answer:

weeeeeb [17]2 years ago

8 0

The blanks are as follows:

Angle addition postulate
Subtraction property of equality
Corresponding sides of similar triangles are proportional
Multiplication property of equality

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Charlie runs at the speed of 3 yards per second. About how many miles per hour does Charlie runs?

Schach [20]

3 yards per second is 9 feet per second, which is 9*60*60=32400 feet per hour. This is 32400/5280=6.14 miles per hour.

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3 years ago

Akeem is carrying water in a bucket, but is unsure how many gallons it holds. He knows that the bucket and water weigh 32.49 pou

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Answer:

Step-by-step explanation:

8.3g+2.61=32.49

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Answer:

Step-by-step explanation:

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Mrrafil [7]

Answer:

152 cm²

Step-by-step explanation:

The shaded area is calculated as

outer area - inner white area

= (12 × 18) - (8 × 8 )

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= 152 cm²

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Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista

Yuki888 [10]

$d=v \cdot t$
d - distance
v - speed
t - time

Car A:
$v_1 \\
t_1=2 \\
d_1=v \cdot 2=2 v$

Car B:
15 mph faster than car A
$v_2=v_1+15 \\ t_2=1.5 \\ d_2= (v_1+15) \cdot 1.5=1.5v_1 + 22.5$

Both cars traveled equal distances:
$d_1=d_2 \\
2v_1 = 1.5v_1+22.5 \\
2v_1-1.5v_1=22.5 \\
0.5v_1=22.5 \\
v_1=45 \\ v_2=45 + 15 =60$

Car B traveled at the speed of 60 mph.

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3 years ago