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zimovet [89]
2 years ago
12

5%7D%20%20%20-%20%20%5Cfrac%7B1%7D%7B2%20%3D%20%7D%20" id="TexFormula1" title="1. \frac{1}{3} + \frac{3}{2} + \frac{6}{5} - \frac{1}{2 = } " alt="1. \frac{1}{3} + \frac{3}{2} + \frac{6}{5} - \frac{1}{2 = } " align="absmiddle" class="latex-formula">
2. \frac{7}{5}  -  \frac{4}{2}  +  \frac{4}{5}  -  \frac{3}{2}  =
3. \frac{9}{8}  +  \frac{7}{8}   -  \frac{6}{7}  +  \frac{8}{7}  +  \frac{1}{3}  =
4. \frac{11 }{8}  +  \frac{11}{5}  +  \frac{8}{5}  -  \frac{9}{6}  -  \frac{5}{3}  =
can you please solve it​
Mathematics
1 answer:
kondaur [170]2 years ago
8 0

Answer:

1. 3.33333333333

2. -1.3

3. 2.61904761905

4. 2.00833333333

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A triangle with side lengths 8, 15, and 17 is a right triangle by the converse of the Pythagorean Theorem. What are the measure
yawa3891 [41]

The other 2 angles of given right angles are 61.93° and 28.072°, if a triangle with side lengths 8, 15, and 17 is a right triangle by the converse of the Pythagorean Theorem.

Step-by-step explanation:

The given is,

                  Right angled triangle,

                  Side lengths are 8, 15, and 17  

Step:1

                 The given triangle is right angle triangle by the converse of Pythagorean theorem, so the trigonometric ratio,

                Ref the attachment,

                For angle a,

                             Sin a = \frac{Opp}{Hyp}...................................................(1)

                  Where,  Opp - 8

                                 Hyp - 17

                  From equation (1),

                                       = \frac{8}{17}

                                       = 0.470588

                                       = sin^{-1}(0.470588)

                                    a = 28.072°

                     For angle b,

                                   Sin a = \frac{Opp}{Hyp}...................................................(1)

                  Where,  Opp - 15

                                 Hyp - 17

                  From equation (1),

                                       = \frac{15}{17}

                                       = 0.882352

                                       = sin^{-1}(0.882352)

                                    b = 61.93°

Step:2

           Check for solution for right angle triangle,

                         90 ° = Other 2 angles

                         90 ° = a + b

                         90 ° = 28.072° + 61.93°

                         90 ° = 90 °

Result:

           The other 2 angles of given right angles are 61.93° and 28.07°, if a triangle with side lengths 8, 15, and 17 is a right triangle by the converse of the Pythagorean Theorem.

5 0
4 years ago
Find the area of the pink sector(s). The diameter is 8.
Afina-wow [57]
First we would need the sector formula which is: 丌r^2× angle/360

To find the radius,we would have to divide the diameter by two,which is:
l8÷2=4 units

We would also need to find the total valuenof angles of pink sectors:
41+44+47=132°

As it's not mentioned,let's take pi as 3.14.

In this case,it would be:

(3.14)(4)^2(132°/360°)
=16(3.14)(11/36)
=18.4213..
≈18.4 sq. units

Thus the answer us D.18.4 units.

Hope it helps!
5 0
3 years ago
What is the volume of the can?
aalyn [17]
The answer of your question is 1530 but you have to move the decimal one space and you should get 153 as the answer
6 0
3 years ago
Use graphing technology to find the range of the function f(x)=-x^2+4.f(x)=−x <br> 2<br> +4.
Andre45 [30]

Answer:

The set of Real numbers

Step-by-step explanation:

x² + 4    is a parabola with the lowest point on the y-axis is 4 and continues up

-x² + 4  is a parabola with the highest point on the y-axis is 4 and continues down.

The range is the distance traveled on the y- axis.  

All real numbers.

5 0
2 years ago
Exhibit 11-1 Last year, the standard deviation of the ages of the students at UA was 1.81 years. Recently, a sample of 10 studen
rewona [7]

Answer:

test statistic = 12.115

Step-by-step explanation:

Given data :

std = 2.1 years

n = 10

( std )^2 = 4.41

<u>determine the test statistic</u>

apply a two-tailed test ( chi squared test for one population variance )

test statistic

λ^2 = \frac{(n-1)s^2}{3.2761}   ( Referring to Exhibit 11-1 )

      = ( 10 - 1 )*(2.1)^2 / 3.2761

      = 12.115

3 0
3 years ago
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