Mathematics College


Check all that apply. If csco =13/5
then:

Check All That Apply. If Csco =13/5then:

Answers

Answer 1

Answer:

B and C

Step-by-step explanation:

Right off the top, A and D are both wrong.

A: wrong because the sec is greater than 1. Always

D: C and D cannot be equal to the same thing except when theta = 45 degrees. The right answer is C and therefore D is incorrect.

C: is one of the answers. The CSC(theta) = 1/sin(theta) or Sin(theta) = 1 /CSC(theta) . If that is true, and if CSC(theta) = 13/5 the Sin(theta) = 5/13

The Other correct answer is B. The adjacent side is found from the Pythagorean Theorem

a^2 + b^2 = c^2

a = 5

b = ?   and is the adjacent side.

c = 13

5^2 + b^2 = 13^2

25 + b^2 = 169                    Subtract 25 from both sides

b^2 = 144                             Take the square root of both sides

b = 12

Tan(theta) = 5/12

You may wonder how I knew that 12 was the adjacent side. The reason is because the sin and csc both deal with the opposite side. The tan(theta) needs to know what the adjacent side as well as the opposite side is.

Related Questions

Where did paco make an error in his calculation?Explain.

Answers

Answer:

He made a mistake in step 2

Step-by-step explanation:

-3x does not equal 6 it clearly states it equals 1

HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP

Answers

Answer:

2 2/5

Step-by-step explanation:

I'm not smart but you can trust me :)

Answer:

2 2/5 mph

Step-by-step explanation:

first of all chill out a little bit

second of all, multiply 4/5 by 3

4/5 × 3/1 = 12/5

now convert it to a mixed number

12/5 = 2 2/5 (because 5 goes i

so the answer is 2 2/5 mph

Select the correct answer.
Factor the polynomial below.
4.12
16
ОА.
4(x - 2)2
O B.
4(x + 2)(x - 2)
O c.
4(2 - x)2
4(2 + x)2 - x)

Answers

Answer:

B

Step-by-step explanation:

That was actually trickier than I thought it would be

I was looking for 4(x-4),   but 4(x-2)(x+2) also works

Answer:

4(x - 2)(x + 2)  (Answer B)

Step-by-step explanation:

4x^2 - 16 is the difference of two squares, a case in which there is a simple formula to remember:  a^2 - b^2 = (a - b)(a + b)

4x^2 - 16 = (2x - 4)(2x + 4)

This can be further simplified:  2(x - 2)(2)(x + 2) = 4(x - 2)(x + 2)  (Answer B)

Can someone help me rnnn please??

Answers

Answer:

No, they are the same triangles

Step-by-step explanation:

They both have a side length of 3 and 5 and an angle that measures 60 degrees. The triangles are just flipped in different directions.

If they were to draw an additional triangle that would make it seem different, they could expand the angle and make it obtuse to get a triangle with 1 wide corner.

A brick of marble weighs 2,268 grams and has the following dimensions:
length 25 cm, height 12 cm, and width 28 mm. What is the approximate
density of the marble? Round to the nearest tenth.
Type your numerical answer below.
density of marble = _(blank)
g
cm3

Answers

Answer:

Below in bold.

Step-by-step explanation:

Density = mass / volume

Mass = 2268 g.

Width of the brick = 28 mm = 2.8 cm.

Volume =  25 * 12 * 2.8 = 840 cm^3

So the density = 2268/840

= 2.7 g/cm^3.

Write the equation of the circle that has a center at point K (2, 4) and passes through the point (6, 5).

Answers

Answer:

i just forgot sorry

Step-by-step explanation:

12 points help fast I need help

Answers

Answer:

False, False, True, True

Step-by-step explanation:

1

IQR'sRide A: 30 - 20 = 10Ride B: 30 - 10 = 20False, as 10 < 20

2

MediansRide A: 25Ride B: 20False, as 25 > 20

3

RangesRide A: 45 - 5 = 40Ride B: 35 - 0 = 35TRUE, as 40 > 35

4

MinimumRide A: 5Ride B: 0TRUE, as 0 < 5

Natalia recorded daily visitors to her new website. The data for the first 9 days is shown below. 25, 31, 27, 33, 41, 39, 48, 46, 52 Natalia is curious to know the MAD and the IQR for her visitor data. Identify each of these two measures of variability for the data by dragging a number to each box.

Answers

Answer:

I believe

Mad-8

IQR- 18

Step-by-step explanation:

I don't know the explanation

The IQR of the data is 18 and MAD is 8.

What is Interquartile Range?

The interquartile range in descriptive statistics reveals the spread of your distribution's middle half. Any distribution that is sorted from low to high is divided into four equal portions using quartiles. The second and third quartiles, or the centre half of your data set, are contained in the interquartile range (IQR).

We have the data

25, 31, 27, 33, 41, 39, 48, 46, 52

Arranging the data

25, 27, 31, 33, 39, 41, 46, 48, 52

So, Q1 = (n+1)/4

Q1 = (9+1)/4

Q1 = 2.5

Q1 = 29

and, Q3 = 3/4(n+1)

Q3 = 3 (2.5)

Q3 = 47

So, IQR = Q3 - Q1 = 47-29 = 18

and, MAD = ( 13 + 11 + 7 + 5 + 1 + 3 + 8 + 10 + 14)/9

MAD = 8

Learn more about IQR here:

https://brainly.com/question/15191516

#SPJ2

The store had 520 customers this week and 780 customers last week. What is the percent of change for the 2 weeks and was it an increase or a decrease?​

Answers

It’s a 33.3333% decrease in customers

HELPP I NEED IT NOW
WILL GIVE BRAINLIEST

Answers

Answer:

ACB

Step-by-step explanation:

Answer:

sequence is ACB

Step-by-step explanation:

calculate the area of this triangle

Answers

Answer:

30 cm^2

Step-by-step explanation:

I need to know the area in the rectangle pictured above please!
8. Area =
6 ft
2 ft
15 ft

Answers

Answer:

180 ft^2

Step-by-step explanation:

Area of the rectangle is calculated by multplying : height*widht*lenght

15*6*2 = 180 ft^2

HELP ME PLEASE I WILL GIVE BRAINLIEST

Answers

Answer:

a. Koby only

Step-by-step explanation:

KOBY

[tex]\frac{w^{3}*w^{5} }{ (w^{2} )^{4}} =\frac{w^{3+5} }{w^{2*4} } =\frac{w^{8}}{w^{8} } =1[/tex]

PAULO

[tex](m^{5} )^{2}*(m^{-3} )^{3}=m^{5*2} *m^{-3*3}=m^{10}*m^{-9}=m^{10-9}=m^1=m[/tex]

A. Koby only
Solution: w8/w8 =1



2. The side lengths of a square measure 25.3 cm. Estimate the area of the
square.
about 25 sq. ft.
about 50 sq. ft.
about 500 sq. ft.
about 625 sq. ft

Answers

Answer:

625 sq ft.

Step-by-step explanation:

25 cm is close to 25.3 so our estimate is 25 * 25 = 625.

Write the quadratic equation in standard form:
8x2=8x + 13 + 4x2

Answers

x=2=|17/2

| means square root btw

and i put / to make it a fraction

Find the value of cos[cos^-1(sqrt 2/2)-n/2]

Answers

Answer:

I highly think it's D. [tex]\frac{\sqrt{2} }{2}[/tex]

Step-by-step explanation:

Write an equation in slope-intercept form of the line that passes through the given points.

x y
-2 2
0 2
2 2
4 2

y=













Item 10
Write an equation in slope-intercept form of the line that passes through the given points.

$x$ $y$
$-2$ $2$
0 2
$2 2
$4$ $2$
$y=$

Answers

Answer:

y=0x + 2

Step-by-step explanation:

since the y-values are all the same, the line is horizontal. Horizontal lines always fall in the form of y = the common y-value.

Please help me :(((((((((((((

Answers

Answer:

Step-by-step explanation:

it is easy. you just have to multiply. 6x3=?

hope this could help. :)

Answer:

1. 18 cm

2. 14 cm

3. 16 cm

4. 18 cm

5. 16 cm

6. 24 cm

Step-by-step explanation:

sorry if I'm wrong

solve these equations, show all your work 7x=14

Answers

Answer:

x=2

divide everything by 7. 14/7= x=2

Step-by-step explanation:

Need help asap! Please and thank you

Answers

Answer:

D

Step-by-step explanation:

The answer is D.

(Hope this helped)

What is the value of x in the product of powers below?
6^9•6^x=6^2
0-11
0 -7
O 7
O 11

Answers

Answer:

Answer: x = -7

Step-by-step explanation:

6^9*6^x=6^2

Which two triangles are congruent? Complete the congruence statement. ​

Answers

answer:

△JKI ≅ △CED

step-by-step explanation:

like i mentioned before, they look similar and fulfill the SSS triangle theorem (this time's the theorem is different only)

Someone please help asap!!! It’s due in 45 minutes, how am I supposed to know where to shade when doing these?

Answers

Answer:

If you want to know the process on how to graph and shade, start by graphing the inequalities. Assume that the inequality signs are just =, so the equation is y=mx+b. Let's use 1) as an example. When the sign is < or >, it's a dotted line. If the sign is ≥ or ≤, it's a solid line. Once you're done graphing the inequalities, choose a random coordinate on the graph. Let's use (0,0). Now, plug in the x- and y-value into the equations. 0<-6(0)+3 and 0≤0-2. Simplify it to get 0<3 and 0≤-2. Because the inequality is true for y<-6x+3, you would shade the side of the graph that includes (0,0). Because the inequality isn't true for y≤-x-2, you would shade the side of the graph that doesn't include (0,0). The shaded parts of both inequalities should overlap somewhere and that's the area you need to officially shade.

Here's the worked example:

If you are still confused, feel free to ask! :)

Solve 4y^2+7y+2=0 to 2 decimal places​

Answers

Answer: There were two sloutions either y= -1/4= -0.250 or y=2

x = 12 − y
2x + 3y = 29

Answers

So if these are simultaneous equations here are the steps:


Bring the variables to one side and the constants to the other side of the equal sign. Remember if you bring anything to the other side it’s sign has to change:


x + y = 12
2x + 3y = 29


Now multiply a variable on the top equation so that it will be equal with the variable on the second:

3x + 3y = 36
2x + 3y = 29


Now subtract the equations which gets you:

x = 7


So we know what the x is, now we have to substitute the x in an equation we created; we’ll go with x + y = 12:

x + y = 12

= 7 + y = 12


Now bring the variable to one side and constants to the other like we did before (remember, the sign must change if the constant or variable is moved to different sides of the equal sign):


y = 12 - 7, which would equal y = 5.


So our answer would be:

( x, y ) = ( 7, 5 )

Hope this helps have an awesome day!

Need help solving this!

Answers

Answer:

A = 4πcm, 6πcm²

B = 45°, 35πcm²

C = 12m, 18.7πm or 19πm

Step-by-step explanation:

Formulas used...

Length of an arc of a sector = (¢/360)×2πr

Area of sector = (¢/360)×πr²

¢ means the angle given or used

plzzz solve this brainlist for sure ​

Answers

Answer:

a C b 2C c

Step-by-step explanation:

a C b 2C c

Evaluate the function.
f(x) = -x2-12 find f(-3)

Answers

Your answer to this question is -21

If 20% of a school was made up of out-of-district students last year, but the number of out-of-district students increased by 50% this year, without any change in total enrollment, what percent of the students is out-of-district this year?

Answers

Answer:

30% is enrolled out-of-district.

Step-by-step explanation:

According to the word problem, the number is increased by 50%.

To increase a number by a percent, multiply the number and the percent.

We can do this by changing both percents to decimals.

To change a percent to a decimal, divide it by 100.

[tex]20/100 = 0.2[/tex]

[tex]50/100=0.5[/tex]

The number is INCREASED by 50% so 0.5 would become 1.5.

[tex]0.2 * 1.5=0.3[/tex]

0.3 = 30%.

WHAT HAPPENS WHEN NON-METALLIC ELEMENTS ARE COMBINED

Answers

When a nonmetal combines with another nonmetal , a covalent compound is formed
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