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wel
3 years ago
11

Can someone help me with this pleasee

Mathematics
2 answers:
I am Lyosha [343]3 years ago
6 0

Answer:

its D

Step-by-step explanation:

good luck

Svetllana [295]3 years ago
6 0

Answer:

5155.07142857

Step-by-step explanation:

diameter/2 = radius

81/2 = radius

40.5 = radius

Area = π r^2

Area = 22/7 *40.5^2

Area = 5155.07142857

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What is the value of the expression Negative 225 divided b (negative 15)?
9966 [12]

Answer:

<h2><u><em>-15</em></u></h2><h2><u><em>-5</em></u></h2>

Step-by-step explanation:

What is the value of the expression Negative 225 divided b (negative 15)?

What is the value of the expression 30 divided by (negative 6)?

I answer for what I understand

-225 : 15 = - 15

30 : (- 6 ) = -5

4 0
3 years ago
A study states that 34% of people prefer their eggs crambled. you randomly select 7 people who had egs for breakfast. what is th
Darya [45]

Answer:

Mean of the binomial distribution    μ = 2.38

Standard deviation of the binomial distribution   σ =   1.2533

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given Population proportion

                   p = 34 % = 0.34

                  q = 1- p

                     = 1 -0.34

                      = 0.66

                  q = 0.66

Mean of the binomial distribution  

              μ = n p = 2.38

Standard deviation of the binomial distribution

          σ = √n p q  =  1.2533

4 0
3 years ago
Question 5 (10 points)
Kamila [148]
You have to subtract 4.35 from 15.60 to see for all the children
3x+4.35 = 15.60
5 0
2 years ago
A circular oil slick is expanding at a rate of 3m/min. How fast is the area of the oil slick changing when the diameter is 48 me
olga55 [171]

Answer:

48\pi \:m/min

Step-by-step explanation:

Diameter = 48 m

Therefore radius r = 48/2 = 24 m

Area  \: of \:  circular  \: oil  \: slick  \\ A = \pi {r}^{2}  \\  differentiating \: w \: r \: to \: t \: on \: \\  both \: sides \\  \\  \frac{dA}{dt} =  \frac{d}{dt} (\pi {r}^{2} )\\  \\  \frac{dA}{dt} =\pi  \frac{d}{dt} {r}^{2} \\  \\  \frac{dA}{dt} =\pi  \times  2{r}\\  \\  \frac{dA}{dt} =2\pi {r} \\  \\   \bigg(\frac{dA}{dt} \bigg)_{r=24} =2\pi \times  {24} \\  \\   \bigg(\frac{dA}{dt} \bigg)_{r=24} =48\pi  \: m \: per \: min

6 0
3 years ago
How many time does 14 go into 33
Rudik [331]

Answer:

2.35714285714

Step-by-step explanation:

Thank you!

3 0
3 years ago
Read 2 more answers
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