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Vesna [10]
4 years ago
13

Pls solve this sums (asap)

Mathematics
1 answer:
dem82 [27]4 years ago
5 0
All you have to do is multiply your number and then add them together !!
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Solve the system of equation <br> 2x-y= 6<br> x+y= -3
Nikolay [14]

that is the solution to the simultaneous equation

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3 years ago
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In order to determine if living next to high-voltage power lines increases your chance of getting cancer, researchers selected s
DIA [1.3K]

Answer:

An observational study

Explanation:

observational studies are those a study  where the researcher observes the effect of a defy factor, diagnostic test, treatment or other intervention without trying to change who is or isn't exposed to it. Cohort study and control studies are of two observational studies. These are the part of fundamental of epidemiological research. These are called observational studies because the investigators observe individuals without manipulation and intervention. These studies are an important category of study design. Well, design observational studies maybe the next best method to address these types of questions.

3 0
3 years ago
the perimeter of a rectangle is 192 ft. the ratio of its length to its width is 7:5 what are dimensions of the rectangle?
Jobisdone [24]

Answer:  Hence the dimensions are 56 ft and 40 ft.

Step-by-step explanation:

Alright, lets get started.

The ratio of sides of rectangle is given as 7:5.

It means, the length of rectangle is : 7x

It means, the width of rectangle is : 5x

So the perimeter of rectangle will be : 2(length + width)

Plugging the value of sides length and width,

the perimeter of rectangle will be : 2\times(7x+5x)

the perimeter of rectangle will be : 2\times 12x

the perimeter of rectangle will be : 24x

As per question, the given perimeter is 192, so

24x=192

Dividing 24 in both sides,

x=\frac{192}{24}

x=8

Hence the length of rectangle will be : 7\times 8 =56

Hence the width of rectangle will be : 5\times 8 =40

Hence the dimensions are 56 ft and 40 ft.  :   Answer

Hope it will help :)

6 0
3 years ago
The equation of a circle is (x + 3)2 + (y + 7)2 = 25. Where is (3, 4) located in relation to the circle?
kupik [55]

Answer:

Midpoint of the circle is (-3, -7)

Distance from (3, 4) to (-3, -7) is > 5 because the x and y difference are alone greater 5.

So, "In the exterior of the circle" is correct.

3 0
3 years ago
4) Find the value of x in the given diagram. (3 points)
Oxana [17]

Answer:

113

Step-by-step explanation:

The given shape has 6 angles so it's a hexagon and the sum of interior angles in a hexagon is = 720

To find the the value of x we need to add all given values up and subtract it from 720:

88 + 142 + 105 + 136 + 136 + x = 720

607 + x = 720 subtract 607 from both sides

x = 113

3 0
2 years ago
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