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2 years ago

5.163 + 1/8 Yfhhgfhvghbvcfhhxkzkgzhf jdzjzydzywRsyxutxir

Mathematics

1 answer:

nikklg [1K]2 years ago

5 0

Answer:

dbhszjxvhcjszbnjvdfzhxjkvbjfz

Step-by-step explanation:

5.288

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Ana's manager is trying to figure out how much to charge for a chair that just arrived. If the wholesale price of the chair is $

pogonyaev

Answer:

$249.75

Step-by-step explanation:

135 x 0.85

114.75 + 135

3 0

3 years ago

I WILL GIVE BRAINLIEST

EleoNora [17]

Answer:

Concept: Inverse Functions

We want the inverse of a root function which is x^1/2
Now we combine that result to get
${f}^{ - 1} (x) = \frac{ { x }^{2} }{3} - 2$
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3 years ago

Solve the equation 4(3y-1)-3(2y)=6

olga nikolaevna [1]

Answer:

$4(3y - 1) - 3(2y) = 6$

Remove backets

$12y - 4 - 6y = 6$

Group and Evaluate like terms

$12y - 6y = 6 + 4$

$6y = 10$

$y = 10 \div 6$

$y = 1.67$

$y = \frac{5}{3}$

6 0

3 years ago

The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assu

m_a_m_a [10]

Answer: 0.0170

Step-by-step explanation:

Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

i.e. $\mu=23.50$

$\sigma=5$

We assume the distribution of amounts purchased follows the normal distribution.

Sample size : n=50

Let $\overline{x}$ be the sample mean.

Formula : $z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

Then, the probability that the sample mean is at least $25.00 will be :-

$P(\overline{x}\geq\25.00)=P(\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\geq\dfrac{25-23.50}{\dfrac{5}{\sqrt{50}}})\\\\=P(z\geq2.12)\\\\=1-P(z$

Hence, the likelihood the sample mean is at least $25.00= 0.0170

5 0

3 years ago

Binomial factor of 25x2 + 40xy + 16y2 ?

Reika [66]

Answer:

(5x +4y)^2

Step-by-step explanation:

The first and last terms are both perfect squares, and the middle term is twice the product of their roots. That means the trinomial is the perfect square trinomial ...

25x^2 +40xy +16y^2 = (5x +4y)^2

_____

It matches the pattern ...

a^2 +2ab +b^2 = (a +b)^2

8 0

3 years ago