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3 years ago

Determine the value of x and y and the following diagram

Mathematics

2 answers:

Tatiana [17]3 years ago

7 0

Answer:

Step-by-step explanation:

first subtract 125-180=X you will get X=55 so then add X+X+y=180 which x+x+y= is actually 55+55+y=180 but don't add the y just yet add 55+55 then you will get 110+y=180 so then flip it backwards and do y=180-110 and your anwser is y=70

goldenfox [79]3 years ago

6 0

By vertically opposite angles 3x + 9 = 4y + 8
By interior angles 4y + 8 + 3y - 14 = 180
So 7y -6 = 180
7y = 186
y = 186/7 = 26.57142857142857
By first equation 3x + 9 = 4 * 186 / 7 + 8
3x + 1 = 106.2857142857143
x = 35.0952380952381

These are x and y values, may be you can round off these values

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What is the approximate distance between the points (-5, 1) and (-2, 3) on a coordinate grid? A.7.81 units B.3.61 units C.2.23 u

andrey2020 [161]

The formula for distance between point in a coordinate grid is the following:

$\sqrt{(x2 - x1) {}^{2} + (y2 - y1) {}^{2} }$
Where 1 and 2 stands for the points, so in your case the formula is the following
$\sqrt{( - 2 - - 5) {}^{2} + (3 - 1) }$
$\sqrt{ {3}^{2} + 2 {}^{2} }$
$\sqrt{9 + 4}$
$\sqrt{13} =3.605...$
So your answer is about 3.61

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3 years ago

32 people volunteers to donate blood. n dident have he health requirment so they couldent donate the rest of the volunteers dona

Vesna [10]

Answer:

the equation representing total amount of blood donated is $470(32-n)=15040-470n \ ml$ .

Step-by-step explanation:

Total number of volunteers = 32

number of volunteers couldn't donate blood = $n$ .

So Number of volunteers who donated blood can be calculated by subtracting number of volunteers couldn't donate blood from Total number of volunteers.

Framing in equation form we get;

So, the number of remaining volunteers who donated blood = $32-n$ .

Each of these volunteers donated blood = 470 ml

Now Total Amount of Blood donated is equal to Amount each of these volunteers donated blood times the number of volunteers who donated blood.

Framing in the equation form we get;

total amount of blood donated milliliters = $470(32-n)=15040-470n \ ml$

Hence the equation representing total amount of blood donated is $470(32-n)=15040-470n \ ml$ .

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3 years ago