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saw5 [17]
3 years ago
12

7 out of 10 students got full marks on their test. Calculate the angle you would use in a pie chart

Mathematics
2 answers:
ra1l [238]3 years ago
4 0
70x3.6=252 is your answer
klasskru [66]3 years ago
3 0
You know 10 students are 100%
so that we have : 7 students are 7/10 x 100 = 70
the angel you would use in a pie chat is : 70 x 3.6 = 252
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The mean weight of NINE players on a Basketball team is 177 POUNDS. Find the total weight of the nine players.
Nikolay [14]

Answer:

The total weight is 1593 lbs.

Step-by-step explanation:

177*9 = 1593

3 0
2 years ago
Forty-eight pounds of sand are used to fill 12 bags. Miranda uses the five-step problem-solving plan. After completing the Solve
Elza [17]

Hi

Here is the solution.

To find how much sand is in each bag we have to divide the weight of the sand by number bags.

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8 0
4 years ago
A dog trainer is installing a small rectangular pen using at most 40 feet of fencing for three sides. The fourth side of the pen
likoan [24]

The 40 feet of fencing which covers at least 182 square feet gives the possible lengths of x as x ≥ 13 or x ≤ 7

<h3>How can the area be expressed as an inequality?</h3>

Length of the fencing = 40 feet

Number of sides covered = Three sides

Area of the fencing ≥ 182 square feet

Length of the shorter side of the pen = x

The area is therefore;

  • x × (40 - 2•x) ≥ 182

2•x² - 40•x + 182 ≥ 0

2•(x² - 20•x + 91) ≥ 0

2•(x² - 13•x - 7•x + 91) ≥ 0

2•(x•(x - 13) - 7•(x - 13) ≥ 0

  • 2•(x - 13)•(x - 7) ≥ 0

Which gives;

  • x ≥ 13 or x ≤ 7

The solution to the inequality and the possible lengths of <em>x </em>are;<em> </em>x ≥ 13 or x ≤ 7

Learn more about quadratic inequalities here;

brainly.com/question/10441997

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7 0
2 years ago
In the figure, angle ABC and angle ADB are each right angles. Additionally, AC = 17.8 units and AD = 5 units. What is the length
Marizza181 [45]

Answer:

DB = 8

Step-by-step explanation:

Δ ADB and Δ BDC are similar so ratios of corresponding sides are equal, that is

\frac{DB}{DC} = \frac{AD}{BD} , substitute values

\frac{DB}{17.8-5} = \frac{5}{BD}

\frac{DB}{12.8} = \frac{5}{BD} ( cross- multiply )

DB² = 64 ( take the square root of both sides )

DB = \sqrt{64} = 8

7 0
3 years ago
Read 2 more answers
A line includes the points (4,1) and (8, 2). What is its equation in slope-intercept form?
Alisiya [41]

Answer:

y = \frac{1}{4} x  

Step-by-step explanation:

1) First, find the slope of the equation. Use the slope formula m= \frac{y_2-y_1}{x_2-x_1}. Substitute the x and y values of the given points into the formula and solve:

m = \frac{(2)-(1)}{(8)-(4)} \\m = \frac{2-1}{8-4}\\m = \frac{1}{4}

Thus, the slope is \frac{1}{4}.

2) Now, use the point-slope formula y-y_1 = m (x-x_1) to write the equation in point-slope form (from there we can convert it to slope-intercept). Substitute values for m, x_1, and y_1.

Since m represents the slope, substitute \frac{1}{4} for it. Since x_1 and y_1 represent the x and y values of one point the line intersects, choose any of the given points (it doesn't matter which one, the end result will be the same) and substitute its x and y values into the formula as well. (I chose (4,1), as seen below.) Then, isolate y to put the equation in slope-intercept form and find the answer.

y-(1) = \frac{1}{4} (x-4)\\y-1 = \frac{1}{4} x-1\\y = \frac{1}{4} x+0\\y=\frac{1}{4}x

5 0
3 years ago
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