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Ivenika [448]
2 years ago
7

A test has 40 questions. The test awards 2 points if the answer is correct and takes away 1 point if the answer is incorrect. A

student answered 5 questions incorrectly. And got 35 questions correct. What was his score?
Mathematics
2 answers:
umka21 [38]2 years ago
8 0

Answer:

His score is 65

Step-by-step explanation:

All you have to do is 35 x 2 and then subtract it by 5!

blsea [12.9K]2 years ago
5 0
His grade was a 65 because 35x2=70(-5) is equal to 65
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The effective gross income from an office building property is $73,500 and the annual operating expenses total $52,300. If the o
Ilya [14]

Answer:

It’s b. $192,727

Step-by-step explanation

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6 0
3 years ago
Read 2 more answers
If r= 11 units and x = 14 units, then what is the volume of the cylinder
Anastaziya [24]

Answer:

1694 \pi

Step-by-step explanation:

I don't see a diagram, so I'm assuming that  <em>r</em>  is the radius and <em>x</em> is the height of a right circular cylinder (like a soup can).

The volume of the cylinder can be found from the formula

V=\pi (\text{radius})^2 \cdot (\text{height})

using the variables in your problem, this is

V=\pi r^2x

Plug in the given values for <em>r</em> and <em>x</em>.

V=\pi(11)^2(14) \\ V=\pi(121)(14) \\ V=1694\pi

If you need an approximate decimal value for the volume, use a value of pi (ask your teacher how accurate it should be).

Example:  Using pi = 3.1416,

V \approx (1694)(3.1416)=5321.8704

You might be asked to round that answer, say to 5322 cubic units.

8 0
3 years ago
The swimming pool is being used for lane swimming. There are 8 lanes in the pool. 3 of the lanes are reserved for swimmers. what
Usimov [2.4K]

Answer:

62.5%

Step-by-step explanation:

5/8 = 0.625 = 62.5%

4 0
3 years ago
Out of 120 students in exam, 2/3 of them passed. How many students passed?​
LenKa [72]

Out of 120 students in exam, 2/3 of them passed. How many students passed?

now,

no of students passed = 2/3×120

= 0.66×120

=80...

therefore <em>8</em><em>0</em><em> </em><em> </em><em>students</em><em> </em><em>were</em><em> </em><em>passed</em><em>.</em><em>.</em><em>.</em><em>.</em>

8 0
3 years ago
Read 2 more answers
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
raketka [301]

Replace a and b with the given values:

3.14(3^2 + 3x4)

Simplify:

3.14(9 +12)

3.14(21)

Multiply:

3.14 x 21 =65.94

7 0
4 years ago
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