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AnnyKZ [126]
2 years ago
6

Complete the following statement ( round your answer to the nearest hundredth) f(7)=

Mathematics
2 answers:
andrey2020 [161]2 years ago
7 0

Answer:

- 1.67

Step-by-step explanation:

To evaluate f(7) substitute x = 7 into the expression

f(7) = \frac{3}{7+2} - \sqrt{7-3}

     = \frac{3}{9} - \sqrt{4}

     = \frac{1}{3} - 2

     = \frac{1}{3} - \frac{6}{3}

     = - \frac{5}{3} ≈ - 1.67

Elenna [48]2 years ago
5 0

Okay so in this question it says to solve f(7). This means to plug in the 7 every where you see an x, so that it looks like this: \frac{3}{7+2} -\sqrt{7-3}Then you'll solve it like a normal equation.

Hope this helped! Let me know if there is anything I need to clarify or explain more in depth!

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photoshop1234 [79]
I believe the answer is D
8 0
2 years ago
Read 2 more answers
Acellus
taurus [48]

Answer:

The Probability is 63.7%

Step-by-step explanation:

We need to calculate the area of the circle and the area of the square

From the question, we can see that the square is of side 4 √2 cm

The area of the square is simply the square of its side length

We have this as 4√2 * 4√2 = 16 * 2 = 32 cm^2

The area of the circle can be calculated using the formula for the area of a circle, with the radius being 4 cm

So, we have the area of the circle as;

Pi * r^2

= 22/7 * 4 * 4 = 50.3 cm^2

so, to find the probability, we need to divide the area of the circle by the area of the square

we have this as;

32/50.3 = 0.6366

In percentage, we simply multiply by 100% to give

0.6366 * 100% = 63.66%

To the nearest tenth, this is 63.7%

8 0
3 years ago
Tan A = opp/adj equals to what<br>​
vaieri [72.5K]

Answer:

I need more information to answer this. Please provide more context

Step-by-step explanation:

SOHCAHTOA

SIN: Opposite/hypo

COS: Adj/Hyp

TAN: Opp/Adj

4 0
3 years ago
An elementary school teacher wants to know if the words in a book are too difficult for her students. She reads the first senten
raketka [301]

Answer:

d.every word in the first sentence of the first page of every chapter.

Step-by-step explanation

  • the sample space means the set of total possible outcomes or ALL possible outcomes.
  • so here, the situation is about the teacher reading a sentence.
  • the favorable outcome is the set which has all the words that the students would not know from all the words read  by the teacher or simply from the sample space.
  • since the teacher reads  the first sentence on the first page in every chapter , all the words in that sentence will be sample in this situation.
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3 years ago
Which number line model represents the expression -2/5 + 4/5
Akimi4 [234]

Hi

-2/5 + 4/5 = 2/5..................

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3 years ago
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