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Vinil7 [7]
3 years ago
13

in a triangle the 2nd angle measure twice the first and the third angle measures 4 more than the first if the sum of all angles

measures is 180 find the measure of all three angles PLEASE NEED SLEEP
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

Third angle = 120 degrees

All the angles add up to 180 degrees.

Call the smallest angle x, so the second will be 2x and as the third is three times the second it will be 6x. We have:

x+2x+6x=180

9x=180⇒x=20

The third angle is 6x=120

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Help plz:))) I’ll mark u brainliest <br> ASAP!!!
Elodia [21]

Answer:

16=x

Step-by-step explanation:

the two sides are equal, soo i set them equal to each other and add 18 to 16 then divide each side by two and get 16 = x

5 0
3 years ago
Help please I will give brainlist
Lubov Fominskaja [6]
Option (A) is correct

The sale this year be $400000 .
7 0
3 years ago
A parking lot with an area of 9600 ft? (see diagram below) has a 200 ft fence built along
VLD [36.1K]

Answer:

x+y=200

xy=9,600

Step-by-step explanation:

The diagram shows rectangular parking lot with sides of x feet and y feet.

1. The area of the rectangle is  given by

A=Length \times Width

A = xy -------------------------(1)

We are given that the area of the parking lot is 9,600\ ft^2, then

eq(1) becomes

9,600  = xy ---------------------(2)

2. A parking lot has  a 200ft fence built along two adjacent sides of lengths x and y, then

Then the perimeter of the two adjacent sides

x+y=200 ---------------------------------(3)

Thus ,The system of two equations are

x+y=200

xy=9,600

7 0
3 years ago
Rodney had 7 toffees MORE than Micah. Micah’s father then gave him 2 more toffees. How many toffees more than Micah would Rodney
WARRIOR [948]

Answer:

Rodney will have 9 toffees more than Micah.

Step-by-step explanation:

Let the numbr of toffee Micah have = x

So, the number of toffee Rodney have = x + 7.

Since, Micah's father gave him 2 more toffees.

Then, number of toffee Micah now have = x + 2

<em>So, number of toffees Rodney will have = (x+7) + 2 = x + 9.</em>

Hence, Rodney will have 9 toffees more than Micah.

5 0
4 years ago
Find the two numbers whose sum is 24 and whose product is as large as possible.
svetlana [45]
Let, the numbers are: x, (24-x)
Let, P(x) denote their products. Then, we have:
P(x) = x(24-x) = 24x - x²
P'(x) = 24-2x
P''(x) = -2

Now, P'(x) = 0 ⇒ x = 12
Also, 
P''(12) = -2 < 0

So, By second derivative test, x = 12 is the point of local maxima of p. Hence the product of the numbers is the maximum when the numbers are 12 and (24-12) = 12

So, In short that numbers would be 12,12

Hope this helps!
4 0
3 years ago
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