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saul85 [17]
3 years ago
7

Need help finding the value of x

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
4 0

Answer:

The value of x is 26.

Step-by-step explanation:

In a triangle, the total angles is 180°. In order to find the value of x, you have to add up all the angles in terms of x and make it equals to 180°

2x + 3x + 50 = 180

5x + 50 = 180

5x = 180 - 50

5x = 130

x = 130 ÷ 5

x = 26

Reika [66]3 years ago
4 0

As we know that,

Sum of all angles of triangle = 180°

Given,

Angles are 2x , 3x and 50°

Now,

\rightarrow \: 2x + 3x + 50 = 180

When plus sign goes to another side then,it become minus.

\rightarrow \: 5x = 180 - 50

\rightarrow \: 5x = 130

\rightarrow \: x =  \cancel \dfrac{130}{5}

\rightarrow \: x = 26

Hence,the value of x is 26°.

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7b+12=5b what is the value for b?
likoan [24]

Answer:

B = -6

Step-by-step explanation:

7b + 12 = 5b

12 = -2b

-6 = b

Hope this helps. Pls give brainliest.

6 0
3 years ago
A culture started with 3,000 bacteria. After 8 hours, it grew to 3,300 bacteria. Predict how many bacteria will be present after
Sav [38]

Answer:

3,462\ bacteria

Step-by-step explanation:

In this problem we have a exponential function of the form

y=a(b^x)

where

x is the time in hours

y is the numbers of bacteria

a is the initial value

b is the base

r is the rate of growth

b=(1+r)

we have that

a=3,000\ bacteria

For x=8, y=3,300

substitute in the exponential function

3,300=3,000(b^8)

solve for b

1.1=(b^8)

b=\sqrt[8]{1.1}

b=1.0120

Find the value of r

r=b-1=1.0120-1=0.0120=1.20\%

The equation is equal to

y=3,000(1.012^x)

For x=12 hours

substitute the value of x in the equation

y=3,000(1.012^{12})

y=3,462\ bacteria

8 0
4 years ago
A triangle has angle measurements of 53°, 37°, and 90°. What kind of triangle is it?
frosja888 [35]
Answer:

Right triangle since it has a right angle = 90°

Explanation
4 0
3 years ago
Read 2 more answers
1 6<br> 2 7<br><br> Find the sum of <br> -1/2+6/7
erastovalidia [21]

Step-by-step explanation:

-1/2+6/7

Take LCM

-7+12/14

5/14 Answer

6 0
3 years ago
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In how many ways can you choose 2 side dishes out of 8
Alina [70]
The first choice can be any one of the 8 side dishes.
               For each of these . . .
The 2nd choice can be any one of the remaining 7.

     Total number of ways to pick 2 out of 8 = (8 x 7) = 56 ways .

BUT ...

That doesn't mean you can get 56 different sets of 2 side dishes.

For each different pair, there are 2 ways to choose them . . .
(first A then B), and (first B then A).  Either way, you wind up with (A and B).

So yes, there are 56 different 'WAYS' to choose 2 out of 8.
But there are only 28 different possible results, and 2 'ways'
to get each result.
4 0
3 years ago
Read 2 more answers
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