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3 years ago

I am soo confused about this question!!

Mathematics

1 answer:

Ne4ueva [31]3 years ago

3 0

I think it’s just asking you to add the two functions (f + g)(x)

If f(x) = sqrt x + 3
And g(x) = x + 2

Then (f + g)(x) = (sqrt x + 3) + (x +2)

And I’m pretty sure that’s all you can simplify

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helpp A circle has a diameter of 9.6 feet. What is the measurement of the circumference of this circle? Use 3.14 to approximate

KiRa [710]

Answer:

Around 30.16ft

Step-by-step explanation:

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·9.6≈30.15929ft

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3 years ago

How many edges are there?<br> A. 15<br> B. 9<br> C. 16<br> D. 12

Lelu [443]

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3 years ago

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Calculate the sum of the first 30 terms in the sequence that begins with 70,65,60

Afina-wow [57]

$\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\la\la\la\la\ddddddddddddddddddddddddddddddddcleverdddddd\ffffffffffffffffffffffffffffffffffffffff\pppppppppppppppppppppppppppppppppppp\ddddddddddddddddddd \displaystyle \Large \boldsymbol{} a_1=70 \ ; \ d=-5 \\\\S_n=\frac{a_1+a_n}{2} \cdot n \ ; \ a_n=a_1+(n-1)d \Longrightarrow \\\\\\ S_{30}=\frac{70+70-29\cdot5}{2} \cdot 30 =-75 \\\\\\Answer: S_{30}=-75$

4 0

3 years ago

Will give brainliest answer

weqwewe [10]

Answer:

I believe it's 40/ 20 I'm sorry if it's wrong..

5 0

3 years ago

In a triangle , the measure of the first angle is twice the measure of the second angle. The measure of the third angle is 100 m

madam [21]

Answer:

The three unknown angles X, Y , and Z are:

X = 40, Y = 20, and Z = 120

Step-by-step explanation:

Let's name X the measure of the first angle, Y the measure of the second one, and Z that of the third one.

Then we can create the following equations:

X = 2 Y

Z = 100 + Y

and

X + Y + Z = 180

So we use the first equation and the second one to substitute for the variable X and Z in the thrid equation:

2 Y + Y + (100 + Y) = 180

4 Y + 100 = 180

4 Y = 80

Y = 80/4 = 20

Then X = 40, Y = 20, and Z = 120

7 0

3 years ago