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Alinara [238K]
3 years ago
11

Suppose that there are 500 students in the school about how many of them study between 4.2 and 5.8

Mathematics
2 answers:
Nata [24]3 years ago
8 0

Answer:

i know right

Step-by-step explanation:

galina1969 [7]3 years ago
6 0
You have to take a poll.
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Could someone please help me with this thank you very much
elena-s [515]

Answer:

Answer for #10:

y = 2 \: and \: x = 1

Answer for #1:

x = 2 \: and \: y =  - 1

Step-by-step explanation:

In order to solve a simultaneous equation using the substitution method you have to:

Use one of the equation and substitute it into the other equation, in this case equation <em>B</em><em> </em>was substituted into equation <em>A</em><em>.</em>

<em>equ. \: a = (2x - 3y = 7) \\ equ. \: b = (x = 1 - y)</em>

Therefore since x = 1 - y, equation A would be:

2(1 - y) - 3y = 7 \\ (2 - 2y) - 3y = 7 \\  - 2y - 3y = 7 - 2 \\  - 5y = 5 \\ y =  - 1 \: and \: x = 2

8 0
2 years ago
Pls help with this one I will give brainliest thank you! Number 5
melamori03 [73]

Answer:

The volume of the fish tank is 48000 cubic centi meter.

Step-by-step explanation:

The volume of a Cuboid is l*b*h (length*breadth*height)

Here,

length(l) =60 cm

breadth(b)= 20 cm

height(h)=40 cm

Volume=l*b*h

Volume= 60cm*20cm*40cm

Volume= 48000 cubic centimeter

5 0
3 years ago
Read 2 more answers
45 cm<br> 60 om<br> What is the length of the hypotenuse?<br> centimeters?
ExtremeBDS [4]

Answer:

Answer:

Length of leg of triangle =  

Step-by-step explanation:

We are given a 45°-45°-90° triangle with hypotenuse measuring 18 cm.

Let us assume the following labeling of the diagram, as attached in the answer area.

The two angles here are equal to 45° so two sides of the triangle opposite to the equal angles will also be equal to each other i.e. it is an isosceles triangle.

i.e. The sides XY and YZ will be equal.

Let XY = YZ = x cm

It is known that in a right angled triangle, pythagorean theorem holds well.

As per pythagoream theorem:

Putting the values:

So, the length of leg of triangle =

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Question: What is the complementary angel of 31 degrees? <br><br> A.97<br> B.67<br> C.57 <br> D.87
Alona [7]
The complement of 31° is the angle that when added to 31° forms a right angle (90° ).
6 0
3 years ago
A scuba diver dives to a depth of 50 feet below sea level. To get a closer look at a hammer head shark, he ascends (goes up) 30
Julli [10]

Answer:

-70

Step-by-step explanation:

3 0
3 years ago
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