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sesenic [268]
3 years ago
8

Solve 4x - c= k for x.

Mathematics
2 answers:
lapo4ka [179]3 years ago
7 0

<em>Answer:</em>

<em>x = (k + c)/4</em>

<em>Step-by-step explanation:</em>

<em>4x - c = k</em>

<em>4x = k + c</em>

<em>x = (k + c)/4</em>

Scilla [17]3 years ago
5 0

Answer:

Step-by-step explanation:

4x - c = k...for x

add c to both sides

4x = k + c

divide both sides by 4

x = (k + c) / 4 ...or, could also be x = 1/4k + 1/4c <==

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Farmers often sell fruits and vegetables at farmers’ markets during the summer. Each tomato stand at the Bentonville farmers’ ma
olga nikolaevna [1]

Answer:

the probability that all tomatoes are sold is  0.919 (91.9%)

Step-by-step explanation:

since the random variable X= number of tomatoes that are demanded,  is normally distributed we can make the standard random variable Z such that:

Z=(X-μ)/σ = (83 - 125)/30 = -1.4

where μ= expected value of X= mean of X (since X is normally distributed)  , σ=standard deviation of X

then all tomatoes are sold if the demand surpasses 83 tomatos , therefore

P(X>83) = P(Z>-1.4) = 1- P(Z≤-1.4)

from tables of standard normal distribution →P(Z≤-1.4)=0.081 , therefore

P(X>83) = 1- P(Z≤-1.4)  = 1 - 0.081 = 0.919 (91.9%)

thus the probability that all tomatoes are sold is  0.919 (91.9%)

6 0
3 years ago
You spent $175 on a pair of shoes and three shirts. Each shirt cost the same amount. The shoes cost four times the amount of one
sergey [27]

Step-by-step explanation:

1. making the equation:

shoes = x

shirts = y

175 = x + 3y

x = 4y

2. graph it (I'm using desmos)

the green line is for 175 = x + 3y and the purple one is for x = 4y

3. find the price

x = 4y

175 = 4y + 3y

175 = 7y

y = 175/7 = $25

price of the shirt = $25

x = 4y = 4*25 = $100

price of a pair of shoes = $100

5 0
3 years ago
Sam average 13 points per game in her first three basketball games. She averaged 14.5 points in her first four games. How many p
kvasek [131]

Answer:

19

Step-by-step explanation:

<em>1</em><em>3</em><em>×</em><em>3</em><em>=</em><em> </em><em>3</em><em>9</em>

<em>1</em><em>4</em><em>.</em><em>5</em><em>×</em><em>4</em><em>=</em><em> </em><em>5</em><em>8</em>

<em>5</em><em>8</em><em>-</em><em>3</em><em>9</em><em>=</em><em> </em><em>1</em><em>9</em>

5 0
3 years ago
Emily gad a decorative box that is shaped like a cube with a height of 5 inches. What’s the surface area of the box?
lina2011 [118]

times the length by width and you will get your answer use a calculator that will be the answer

4 0
3 years ago
Write in point-slope form an equation of the line that passes through the given point and has the given slope. Point: (4, 8); m
Ainat [17]

Answer:

\mathsf{y-8=\cfrac{3}{4}(x-4)}

Step-by-step explanation:

Hi student, let me help you out!

<u>.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ... ... ..... ........   ......  ... ......... .... ....</u>

<u></u>

First, let's recall the point-slope form equation: ↪ \mathrm{y-y_1=m(x-x_1)}.

<u>where: </u> y₁ = y-coordinate of the point (the second coordinate), m=slope, x₁=x-coordinate (the first coordinate).

Let's stick in the values accordingly. We obtain the following: \mathrm{y-8=\cfrac{3}{4}(x-4)}, which is our point-slope form equation.

Hope this helped you out, ask in comments if any queries arise.

Best Wishes!

\star\bigstar\overline{\overline{\underline{\underline{\textsf{Reach far. Aim high. Dream big.}}}}}\bigstar\star

\underline{\rule{300}{4}}

6 0
2 years ago
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