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2 years ago

Students on a field trip at an amusement park were asked their grade in school. The table shows the results of the survey.

Mathematics

2 answers:

muminat2 years ago

6 0

C) I KNOW IT IS!!
SO DO THIS ONE!!

stira [4]2 years ago

3 0

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Grade Number of Students

4th 45

5th 25

6th 60

7th 50

8th 60

9th 45

Total number of students is given by

45+25+60+50+60+45 = 285

So, the central angle for 9th grade would be

$\dfrac{45}{285}\times 360^\circ\\\\=56.8^\circ\\\\\approx 57^\circ$

Hence, Option 'C' is correct.

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At Silver Gym, membership is $35 per month, and personal training sessions are $30 each. At Fit Factor,

Vanyuwa [196]

Answer:

5 sessions each

Step-by-step explanation:

Let the personal training sessions be x.

Then at Silver Gym Sarah would spend:

35 + 30x

And at Fit Factor she would spend:

85 + 20x

Since total costs are same, the amounts will be equal:

35+30x = 85 + 20x
30x - 20x = 85 - 35
10 x = 50
x= 50/10
x= 5

So Sarah would buy 5 training sessions for each of the gyms.

And she would spend $185 at each.

3 0

2 years ago

4. Use the process outlined in the lesson to approximate the number 2√3. Use the approximation √3 ≈ 1.732 050 8.

jeka57 [31]

Answer:

sequence of five intervals

(1) 2 < $2^{\sqrt{3} }$ < $2^{2}$

(2) $2^{1.7}$ < $2^{\sqrt{3} }$ < $2^{1.8}$

(3) $2^{1.73}$ < $2^{\sqrt{3} }$ < $2^{1.74}$

(4) $2^{1.732}$ < $2^{\sqrt{3} }$ < $2^{1.733}$

(5) $2^{1.7320}$ < $2^{\sqrt{3} }$ < $2^{1.7321}$

Step-by-step explanation:

as per question given data

√3 ≈ 1.732 050 8

to find out

sequence of five intervals

solution

as we have given that √3 value that is here

√3 ≈ 1.732 050 8 ........................1

when we find $2^{\sqrt{3} }$ ................2

put here √3 value in equation number 2

we get $2^{\sqrt{3} }$ that is 3.322

sequence of five intervals

(1) 2 < $2^{\sqrt{3} }$ < $2^{2}$

(2) $2^{1.7}$ < $2^{\sqrt{3} }$ < $2^{1.8}$

(3) $2^{1.73}$ < $2^{\sqrt{3} }$ < $2^{1.74}$

(4) $2^{1.732}$ < $2^{\sqrt{3} }$ < $2^{1.733}$

(5) $2^{1.7320}$ < $2^{\sqrt{3} }$ < $2^{1.7321}$

8 0

2 years ago

Expand and simplify 4(x-3)-2(x-1)

Nuetrik [128]

Answer:

-2 4x square is the answer

3 0

3 years ago

The function f(x) = (x - 4)(x - 2) is shown below. What is true about the domain and range of the function?

Arlecino [84]

Answer:

$Dom\{f(x)\} = \mathbb{R}$ (Since polinomial functions are continuous)

$Ran\{f(x)\} = [-1, +\infty)$ (As this quadratic function has an absolute minimum, represented by its vertex)

Step-by-step explanation:

Graphically speaking, quadratic functions are represented by parabolas. In this case, we have a parabola in factorized form. From Theory of Functions, we get that domains of function represents the set of values of $x$ so that exist an image, whose set is known as range is represented by values of $f(x)$ .

$x$ is represented by horizontal axis in the figure, whereas $f(x)$ is represented by the vertical axis. By using this approach we get that domain and range of the function are, respectively:

$Dom\{f(x)\} = \mathbb{R}$ (Since polinomial functions are continuous)

$Ran\{f(x)\} = [-1, +\infty)$ (As this quadratic function has an absolute minimum, represented by its vertex)

5 0

3 years ago

In order to prove △ABC ≅ △DBC by SAS, what additional information must be given?

wlad13 [49]

Two of the side lengths and one of the angles of both of the triangles. Hope this helps!

6 0

3 years ago

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