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kipiarov [429]
3 years ago
14

the cemetery of an angle has a measure of 20 degrees more than twice the measure of the angle X degrees which equation can be us

ed to find the value of x​

Mathematics
1 answer:
sweet [91]3 years ago
8 0

Answer:

D: (2x + 20°) + x° = 180°

Step-by-step explanation:

Supplementary angles add up to 180°, so that rules out A and C as possible answers.

Answer B has only one angle, so that is out too.

2x + 20° represents one angle, and x represents the other angle

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Sam and Harry are family. Sam is currently is three times Harry's age. Sam's age is also 10 more than twice Henry's age. What ar
kramer

Answer:

<em>Sam is 30 years old, and Harry is 10 years old.</em>

Step-by-step explanation:

Let us assume that the age of Sam is x and the age of Harry is y.

Sam is currently is three times Harry's age.

So, x=3y  ----------------------1

Sam's age is also 10 more than twice Harry's age.

so, x=2y+10  ---------------2

Subtracting 2 from 1, we get

\Rightarrow x-x=3y-2y-10

\Rightarrow 0=y-10

\Rightarrow y=10

putting this in equation 1,

x=3(10)=30

Therefore, Sam is 30 years old, and Harry is 10 years old.

6 0
3 years ago
Read 2 more answers
Evaluate the indefinite integral.
Oksana_A [137]

Answer:

\frac{1}{3} x^3 - x^2 + 4x

Step-by-step explanation:

All this takes is the use of the power rule, which, for integrals, says that

∫x^n = \frac{1}{n+1}x^{n+1}.

With this in mind, we can integrate:

∫x^2 - 2x + 4

= \frac{1}{3} x^3 - x^2 + 4x.

We can also check our answer by differentiating our answer:

\frac{d}{dx} (\frac{1}{3}x^3 - x^2 + 4x)\\\\ = x^2 - 2x + 4

so we are correct!

hope this helped!

4 0
2 years ago
Turner is deep-sea diving with two friends. Janelle is floating on the surface 15 meters above
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23 because if u add bothe of them up
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3 years ago
Can anyone tell me what to do for this? I have no clue.
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3 years ago
There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday. What per
statuscvo [17]

Answer:

87.5%

Step-by-step explanation:

There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday.

The number is students not trying out for football last Thursday is calculated as:

376 students - 47 students

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The percent of 8th graders that did not try out for football is calculated as:

329 students/376 students × 100

= 329/376 × 100

= 87.5 %

8 0
3 years ago
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