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Kruka [31]
3 years ago
9

On a test with 30 questions, Bill answered 80% correctly. How many answers did he get wrong?

Mathematics
1 answer:
AveGali [126]3 years ago
5 0

Answer:

30 X .8=24 30-24=6 bill got 6 questions wrong

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What is the inequality represented by this graph? (pls help its worth 30 points and ill give brainliest if ur correct :D)
Yakvenalex [24]

Step-by-step explanation:

We find the equation of the solid blue line:

The line decreases by 1 unit for every 3 units across.

=> Slope of line = -1/3.

Also the y-intercept is 1.

=> Line equation: y = -1/3 x + 1.

We see that the graph below this line is shaded.

Therefore all y-values below or on the line are represented by the graph.

=> y <= -1/3 x + 1.

The answer is y <= -1/3 x + 1.

4 0
2 years ago
In a college library there are 4 times as many nonfiction books as fiction books. How many times the number of nonfiction books
balu736 [363]
Four? Isn't it stated in the question? Unless I am assuming wrong. 
8 0
3 years ago
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200 learner's in grade 10 class.107 learner's takes history.63 learners take science and 147 learner's take both history and sci
zhuklara [117]

Answer:

I believe the answer is 30.

Step-by-step explanation:

-

3 0
1 year ago
The figure is a square. Its diagonals meet to form four right angles. What is the approximate value of x?
givi [52]

Answer:

The correct answer is option D. 5.7 units

Step-by-step explanation:

It is given a square,  Its diagonals meet to form four right angles

<u>To find the value of x</u>

From the figure we can see that the triangle with sides x, x, 8 have angles 45°,45° and 90°

If the angles are 45°,45° and 90° then sides are in the ratio 1 : 1 : √2

Here x : x : 8 = 1 : 1 : √2

Therefore x = 8√2 = 8/1.414 = 5.6577 ≈ 5.7 units

Therefore the correct answer is option D  5.7 units

3 0
3 years ago
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What is the slope of the line show belowww
zaharov [31]

Answer:

\boxed{C.\:\: 2}

Step-by-step explanation:

The given line passes through the points,


(x_1,y_1)=(-2,-3) and (x_2,y_2)=(3,7).


We can find the slope using the following;

m=\frac{y_2-y_1}{x_2-x_1}


or


m=\frac{y_1-y_2}{x_1-x_2}


Using the first formula;


We obtain;

m=\frac{7--3}{3--2}


\Rightarrow m=\frac{7+3}{3+2}


\Rightarrow m=\frac{10}{5}


\Rightarrow m=2


The correct answer is C.

7 0
3 years ago
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