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tankabanditka [31]

3 years ago

5

I really need help with this question

2 answers:

Maksim231197 [3]3 years ago

6 0

Heads, tails is the answerrr

allochka39001 [22]3 years ago

4 0

Answer:

Heads

Step-by-step explanation:

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If the sum of data is 80 and number of data 16,find the value of mean.

RoseWind [281]

Answer:

Its 5

Step-by-step explanation:

Mean= sum/number

=80/16

=5

5 0

3 years ago

I need help with math!!! time is running out!!! will mark brainliest!!!

salantis [7]

3/10
Calm down u got this;)

5 0

3 years ago

Henry sends his hawk with a message to his uncle. The hawk flies out against the wind and returns with the wind, spending 3 hour

siniylev [52]

Answer:

Distance between Henry and his uncle is <u>74.25km.</u>

Step-by-step explanation:

Speed of Hawk with wind = 50+5

=55km/hr

Speed of Hawk against wind = 50-5

=45km/hr

we know that ,

$Distance = speed \times time$

Let the distance between Henry and uncle is d,

According to the question ,

$\frac{d}{55} + \frac{d}{45} = 3$

$\frac{9d + 11d}{495} =3$

$20d = 3\times 495$

$d =\frac{3\times495}{20}$

d= 74.25km

Hence , the answer is 74.25km

5 0

4 years ago

What is f(−3) for the function f(a)=−2a2−5a+4?

Readme [11.4K]

Answer:

f(-3)

f(a) = -2a² - 5a + 4

Substitute a with its value, -3

f(-3) = -2(-3²) - 5(-3) + 4

f(-3) = -2(9) + 15 + 4

f(-3) = -18 + 19

f(-3) = 1

the value of f(-3) is 1.

7 0

3 years ago

Read 2 more answers

Solve the system of equations below by elimination. -2x-4y=-4 -x+7y=-20

Alik [6]

Answer:

67

Step-by-step explanation:

5 0

3 years ago