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3 years ago

Which number is an integer? А 1 B -1 C 0 D all of the above

Mathematics

2 answers:

777dan777 [17]3 years ago

5 0

Answer: D. ALL OF THE ABOVE

Step-by-step explanation:

AN INTEGER IS A WHOLE NUMBER THAT IS NOT A FRACTION

emmasim [6.3K]3 years ago

4 0

Answer:

D.) All of the above.

Step-by-step explanation:

An integer is defined as: a colloquially defined number that can be written without a fractional component. All of the above numbers apply.

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Q is directly proportional to r.<br> Q is 76 when r is 20.<br> Work out q when r is 45

r-ruslan [8.4K]

Answer:

171

Step-by-step explanation:

Q~r

find k (k is the constant)

Q=kr

76=k×20

76=20k divide 20 on both sides giving you

k=3.8

then Q=k×r

Q=3.8×45

Q=171

3 0

3 years ago

The graph of y=f(x) is shown below. find all the values of x where f(x)=8

Tcecarenko [31]

Answer:

x = 4

Step-by-step explanation:

Find 8 on the y-axis. Draw a horizontal line through y =8. Determine the x value for which the graph intersects this horizontal line y = 8. It is x = 4

7 0

3 years ago

Read 2 more answers

Two students walk in the same direction along a straight path, at a constant speed - one at .90 m/s and the other at 1.90 m/s.a.

anyanavicka [17]

Answer:

a)The second student arrive 7 minutes and 36 seconds sooner

b)They have to walk 598,51 m

Step-by-step explanation:

Speed= Distance/Time

We are looking for time now

Time = Distance/Speed

First student

Time = 780 m/0.90 m/s=866,66 seconds

Second student

Time = 780 m/1.90 m/s=410,52 seconds

Difference=866,66-410,52= 456,14 seconds

In minutes

Difference= 456,14 seconds /60=7 minutes 36 seconds

Distance=Speed x Time

Speed¹ x Time¹ =Speed² x Time²

Time¹= Time² + 5.50 min

5.50 min =350 seconds

Time² =Speed¹ x Time¹ /Speed²

Time² =Speed¹ x (Time² + 350 seconds ) /Speed²

Time² =0.9 x (Time² + 350 seconds ) /1.9

Time² =0,4737 x (Time² + 350 seconds )

Time² =0,4737 Time² + 165,79 seconds

Time² - 0,4737 Time² = 165,79 seconds

0,5263 Time² = 165,79 seconds

Time² = 165,79 seconds/0,5263 =315,01 seconds

Distance=1,9 x 315,01 seconds = 598,51 m

5 0

3 years ago

classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular

UkoKoshka [18]

Answer: the correct answer is the third option

8 0

3 years ago

Read 2 more answers

What is the approximate area that is shaded red?

Mashcka [7]

To find the area that is shaded red, you find the area of the rectangle and subtract it by the area of the triangle.

Area of a rectangle:

A = l × w [ l = 11 in ; w = 6in ] Plug these numbers into the equation

A = 11 · 6

A = 66 in²

Area of a triangle:

$A=\frac{1}{2}bh$ [ b = 4 in ; h = 6 in ] Plug these #s into the equation

$A = \frac{1}{2}(4)(6)$

$A=\frac{24}{2}$

A = 12 in²

Area of rectangle - Area of triangle = Area of the shaded region

66 in² - 12 in ² = 54 in²

Your answer is B

3 0

3 years ago