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aleksklad [387]
4 years ago
13

A ²-3ac+c ² if a=-2/3 and c=1/5

Mathematics
1 answer:
mixer [17]4 years ago
5 0

Answer:

199/225

Step-by-step explanation:

(\frac{-2}{3})^2-3(\frac{-2}{3}(\frac{1}{5} )+(\frac{1}{5})^2

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2/3 divided by 5?If she walks 2/3 by another 5.
Nadya [2.5K]

Answer:

The answer is 0.133

Step-by-step explanation:

All you have to do is take 2/3 as if it was a whole number and divide it by 5, or if you are able to use a calculator, you can just but it in as 2 divided by 3 and then divide 5 by whatever answer you get.

7 0
4 years ago
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How many of each shot does he make in 1 minute using this data..
Inga [223]

27 field goals and 8 free throws because

27•2=54+8=62

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8 0
3 years ago
To qualify for a police academy, applicants are given a test of physical fitness. The scores are normally distributed with a mea
djyliett [7]

Answer:

X₀ = 71.65

Step-by-step explanation:

given,

mean (μ ) = 64

standard deviation (σ) = 9

                                 σ²  = 81

selected candidate are top 20 % candidate

P( X > X₀)  = 0.2

P( Z > \dfrac{X_0-\mu}{\sigma}) = 0.2

P( Z > \dfrac{X_0-64}{9})= 0.2

P( Z > Z₀)  = 0.2

Z_0 = 0.85 = \dfrac{X_0-64}{9}

X₀ = 71.65

Hence, the cut off score is equal to X₀ = 71.65

6 0
3 years ago
Find the area of a circle with a Radius = 4 ft. Use 3.14 for and round to 2 decimal places.
bagirrra123 [75]

Answer:

50.24 ft^2

Step-by-step explanation:

Well formula for area of a circle is pi(radius)^2

so the radius is 4 so you square that it’ll be 16

then do 16(3.14)

you’ll get 50.24

6 0
3 years ago
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A store is having a sale where everything is discounted 30% find the discount and the sales price of a customer buys an item tha
professor190 [17]

Discount = 365*30/100 = $109.5

sales price = 365*70/100 = $255.5

Did you understand?


5 0
3 years ago
Read 2 more answers
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