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Katena32 [7]
3 years ago
10

HELP PLEASE

Mathematics
1 answer:
Westkost [7]3 years ago
8 0

Answer:

So in other words, each week he works, he gets an additional $10, to add to his collection of really $75.

Step-by-step explanation:

so, he has $85 in savings, and that he has the opportunity to gain allowance by the following function of 10(x-1).  

total funds(x) = 85 + 10(x-1)  

T(x) = 85 + 10x - 10  

T(x) = 10x + 75

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One container of fertilizer covers 900 square feet. A property has a rectangular backyard that is 30 feet long and 20
julsineya [31]

Answer:

<em>82.67% of the fertilizer will be used on the property.</em>

Step-by-step explanation:

<u>Area of Plane Figures</u>

The backyard described in the problem has two parts: One with a rectangular shape of 30 feet by 20 feet. The other with a triangular shape with a base of 24 feet and a height of 12 feet.

The area of a rectangle is calculated by:

A_r=L*W

And the area of a triangle is:

\displaystyle A_t=\frac{B*H}{2}

All the backyard will be covered by fertilizer coming from a container with a capacity of 900 square feet.

The total area of the backyard is the sum of the area of the rectangle Ar and the area of the triangle At as follows:

A_r=30*20=600\ ft^2

\displaystyle A_t=\frac{24*12}{2}=144\ ft^2

The total area of the backyard is:

A=600\ ft^2+144\ ft^2=744\ ft^2

To find the percentage of the container, we calculate:

\displaystyle \frac{744}{900}*100\%=82.67\%

82.67% of the fertilizer will be used on the property.

6 0
4 years ago
How do I show how the area of a rectangle is found when the area is 2352cm²​
wlad13 [49]

Answer:

Just Multiply L×B And you'll get it

And if you want me to solve then give a image!

Hope its helps!

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6 0
3 years ago
Yesterday, the movie theater brought in $1,440 in ticket sales and $295.25 in food sales. Today, ticket sales were three-fourths
adoni [48]
Yes. Because if you add then take away. That's your answer
6 0
3 years ago
Read 2 more answers
Rahul solved the equation 2(x – ) – 2 left-parenthesis x minus StartFraction 1 Over 8 EndFraction right-parenthesis minus StartF
VladimirAG [237]

Answer:

Step 3

Step-by-step explanation:

The solution is given in the image attached. The steps are:

Step 1:

2x-\frac{1}{4} -\frac{3}{5}x=\frac{55}{4}

Step 2: simplifying the coefficients of x:

2x -\frac{3}{5}x-\frac{1}{4}=\frac{55}{4}\\\frac{10x-3}{5} -\frac{1}{4}=\frac{55}{4}\\\frac{7x}{5} -\frac{1}{4}=\frac{55}{4}

Step 3: Adding 1/4 to both sides

\frac{7x}{5} -\frac{1}{4}+\frac{1}{4} =\frac{55}{4}+\frac{1}{4}\\ \frac{7x}{5}=\frac{55+1}{4}\\ \frac{7x}{5}=\frac{56}{4}\\

Step 4: Multiplying both sides by 5/7

\frac{7x}{5}*\frac{5}{7} =\frac{56}{4}*\frac{5}{7} \\x=10

The addition property of equality states that if a number is added to both sides of an equation, the equation is still valid (i.e the equation is still the same). From the steps above, The addition property of equality was applied in step 3

4 0
3 years ago
Read 2 more answers
A 90% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a
Stella [2.4K]

Answer:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

Step-by-step explanation:

Confidence interval:

Confidence level of x%

We build from a sample.

Between a and b.

Intepretation: We are x% sure that the population mean is between a and b.

In this question:

90%

45 CEO's

Between ($139,048, $154,144).

So

We are 90% sure that the mean salary of all CEO's falls within this interval.

The correct answer is:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

4 0
3 years ago
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