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3 years ago

13

Sue has taken four exams so far in her History course. Her scores are 84.0, 78.2, 93, and 87.5. What is the average of these sco

res?

1 answer:

Nataliya [291]3 years ago

3 0

Answer: 85.7

Step-by-step explanation:

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Answer:

V=d/t.

V=(1.4)(0.8)÷8m/s

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Step-by-step explanation:

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3 years ago

The average age of 3girls is 17years 4months.The average 2 of them is 17years 3months. How old is the third girl?

Elden [556K]

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17 years 2months

Step-by-step explanation:

Beacause the last girl is young

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4 years ago

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.00 m/s. The car is a distan

enyata [817]

$S=\frac{d}{t},\ where\ s-speed,\ d-distance,\ t-time\\t=\frac{d}{S}\\\\d+37.2-bear\ distance\\\\Time\ (tourist\ tourist\ and\ bear)\ will\ be\ the\ same\ so\ we\\ should\ comparise\ them:\\\\\frac{d}{4}=\frac{d+37.2}{4.96}\\\\4.96d=4(d+37.2)\\\\4.96d=4d+148.8\\\\4.96d-4d=148.8\\\\0.96d=148.8\\\\d=155m\\\\Maximum\ value\ of\ d\ is\ 155m$

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3 years ago

Please help will give brainliest!! thank u

Goshia [24]

9514 1404 393

Answer:

(c) 162 cm

Step-by-step explanation:

The centroid divides a median into parts with the ratio 1:2, so RL:LD = 1:2. Then RL:RD = 1:(1+2), and RD = 3RL.

RD = 3·54 cm

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3 years ago

Alaska Has A Land Area If About 1,700,000 square kilometers. Florida Has A Land Area 1/10 the size of Alaska. What's The Land Ar

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4 years ago

Read 2 more answers