i need help! i lost my notes

I Need Help! I Lost My Notes

Answers

Answer 1

Answer:

sin A= 3/5

sin C= 4/5

cos A= 4/5

cos C= 3/5


Related Questions

Please help I’ll give you guys brainiest!


Thank youuuuuuu :))!!!!!!!!!! !!!!!!!!!

Answers

Answer:

yes

yes

no

no

no

Step-by-step explanation:

Find the slope of the line that passes through (4,2) and (9,1)?

Answers

Answer: m= -1/5

Step-by-step explanation:

Find the Slope (4, 2) and (9, 1)

Slope is equal to the change in y over the change in x, or rise over run.

              change in y

     m =    _________

              change in x

The change in x is equal to the difference in x-coordinates (also called run), and the change in y is equal to the difference in y-coordinates (also called rise).        y₂ − y₁

     m =   _____

              x₂ − x₁

Substitute in the values of x and y into the equation to find the slope.

              1 − (2)

     m =   _____

              9 − (4)

Simplify the numerator.

                −1

     m =   _____

              9 − (4)

Simplify the denominator.

                −1

     m =   _____

                 5

Move the negative in front of the fraction.

                −1

     m =   _____

               − 5

Answer:

The slope of the line is [tex]\displaystyle -\frac{1}{5}[/tex].

Step-by-step explanation:

We are given two coordinate points:

[tex](4, 2)[/tex][tex](9, 1)[/tex]

We are asked to find the slope of the line.

We can use the rise-over-run formula to solve for the slope of the line.

[tex]\displaystyle \text{slope} = \frac{\text{rise}}{\text{run}}\\\\\text{slope} = \frac{y_2-y_1}{x_2-x_1}[/tex]

However, we firstly need to name our coordinate points.

In math, we can label our coordinates using the following label system:

[tex](x_1, y_1), (x_2, y_2)[/tex]

Therefore, we can also label our coordinates as such:

[tex]x_1 = 4[/tex][tex]y_1 = 2[/tex][tex]x_2 = 9[/tex][tex]y_2 = 1[/tex]

Now, we can supply these values into the formula and solve for our slope, or a better known variable, m.

[tex]\displaystyle m = \frac{1 - 2}{9 - 4}\\\\m = \frac{-1}{5}\\\\m = -\frac{1}{5}[/tex]

Therefore, our slope is [tex]\displaystyle -\frac{1}{5}[/tex].

lowest common multiple of 90 and 63

Answers

Answer:

630

Step-by-step explanation:

hope this helps btw can i have brainliest?

Answer:

630

Step-by-step explanation:

Step-by-step on how to solve it is in the image below.

Hope this help! :)

All of the angles of Triangle ABC measure 60 o. AB = 3x – 4, BC = 4x – 12 and CA = 5x – 20.

Solve for x and find the length of AB.

Answers

Answer:

The length of AB is 20 units

Step-by-step explanation:

The equilateral triangle is the triangle that has 3 equal sides and 3 equal angles, the measure of each angle is 60°

∵ All of the angles of triangle ABC measure 60 °

→ By using the fact above

∴ Triangle ABC is an equilateral triangle

→ That means its 3 sides are equal

AB = BC = CA

∵ AB = 3x - 4

∵ BC = 4x - 12

∵ CA = 5x - 20

→ Equate 2 of them to find x

∵ BC = CA

5x - 20 = 4x - 12

→ Subtract 4x from both sides

∵ 5x - 4x - 20 = 4x - 4x - 12

∴ x - 20 = -12

→ Add 20 to both sides

∴ x - 20 + 20 = -12 + 20

x = 8

→ To find AB substitute the value of x in its expression

∵ AB = 3x - 4

∴ AB = 3(8) - 4

∴ AB = 24 - 4

AB = 20

The length of AB is 20 units

Given the answer to a
problem asking you to simplify the expression,
write the possible problem. Explain how you
created the problem.

I really need help I don’t understand this. I will be given 20 points to whoever helps me. Thank you

Answers

Yes that’s right pls make brainliest thanks I hope this helps

find the surface area of this cylinder using pie.

Answers

Answer:

the surface area of a cylinder:

[tex]A=750\pi[/tex] ft²

or

[tex]A\approx 2356.19[/tex] ft²

Step-by-step explanation:

Given

r = 10 fth = 15 ft

Using the formula to determine the surface area of a cylinder:

[tex]A=2\pi rh+2\pi r^2[/tex]

[tex]A=2\cdot \pi \cdot 15\cdot 10+2\cdot \pi \cdot 15^2[/tex]

[tex]A=750\pi[/tex] ft²

or

[tex]A\approx 2356.19[/tex] ft²

Thus, the surface area of a cylinder:

[tex]A=750\pi[/tex] ft²

or

[tex]A\approx 2356.19[/tex] ft²

The table below shows the scores on a math test. David 75 Aaron 75 Ashley 60 Gina 75 Andrew 75 Kei 95 Monica 100 Anna 60 Lucas 75 Jennifer 65 The number of standard deviations between a score and the mean score is indicated by a z-score. What was Ashley's z-score on the math test?
a. 1.1
c. -1.1
b. 60
d. -15.5​

Answers

Answer: c

Step-by-step explanation: good luck everyone

Ashley's z-score for the given table is -1.2.

What is z-score?

''A z-score describes the position of a raw score in terms of its distance from the mean, when measured in standard deviation units. The z-score is positive if the value lies above the mean, and negative if it lies below the mean.''

From the given table, we can calculate the mean, median, mode and standard deviation.

Therefore, mean = (75 + 60 + 75 + 100 + 75 + 75 + 75 + 95 + 60 + 65) ÷ 10

= 75.5

Median = middle term when scores are arranged in ascending order

= middle term of {60, 60, 65, 75, 75, 75, 75, 75, 95, 100}

= 75

Mode = number that occurs highest in {60, 60, 65, 75, 75, 75, 75, 75, 95, 100} = 75.

Standard deviation = [tex][\sqrt{(x_1-x)^{2}+(x_2-x)^{2}+........+(x_n-x)^{2}]/n[/tex]

=  [tex][\sqrt{(75-75.5)^{2}+(60-75.5)^{2}+........+(65-75.5)^{2}]/10[/tex]

= [tex]\sqrt{157.25}[/tex]

=12.54

Therefore, Ashley's Z-score = (Ashley's score - Mean)/ Standard Deviation

= (60 - 75.5)/12.54 = -1.2

Learn more about z-score here: https://brainly.com/question/17756962

#SPJ2

HI my name is summer im a F my email is summerander12 is yall what to ch at you dont have to i really dont care

Answers

Answer:

yes

Step-by-step explanation:

ok thus is a help for help tho

PLS HELP!!
What is the volume of a cone with a radius of 5 inches and a height of 12 inches? (Use 3.14 for .)
942 cubic inches
314 cubic inches
376.8 cubic inches
125.6 cubic inches

Answers

Answer:

The height of the cone-shaped cup is 6 inches and the diameter at the top is 3 inches. ... To find the volume of the cone, you use a formula similar to that of a pyramid, ... \begin{align*}V & = \frac{1}{3} \pi r^2 h \\ V & = \frac{1}{3} (3.14)(5^2 )(7) ... The answer is the volume of the cone is 183.16 cubic inches.

Step-by-step explanation:

i think thats it it was right on gogle

Julie has two bags of grapes. One weighs 5/8 pound and the ther weighs 1/4 pound. What is the difference in the two bags of grapes?

Answers

Answer:

one bag is heavier and the other is lighter.

Step-by-step explanation:

5/8 = more than half a pound

1/4 = less than half a pound

Answer:

3/8

Step-by-step explanation:

You have to make 1/4's denominator match the denominator of 5/8.

By multiplying it by 2.

1/4 =2/8

You then subtract 2/8 into 5/8 to get 3/8

I dont know the answer please help

Answers

Answer:

the answer is E because the shape is still in the same directions, so it wasn't reflected it was just translated

Step-by-step explanation:


Sylvia bikes home along a straight road from her friend's house, a distance of 8 miles,
The graph shows her journey

Answers

Answer:

what is the question and what is the graph

Step-by-step explanation:

The interior angles of a triangle have measures 100°, (4y+25)°, and (3y+20)°.

What is the value of y?



Enter your answer in the box.

y =

Answers

Answer:

The value of y = 5⁰...........

Answer:

y=5

Step-by-step explanation:

The ratio of solid beads to clear beads in a vase is 820. Select all the correct statements that tell if the operations will give an equivalent ratio.

A) Add 2 solid and 2 clear beads.


B) Subtract 8 solid and 6 clear beads.


C) Multiply the number of solid and clear beads by 2.


D) Divide the number of solid and clear beads by 4.


E) Multiply the number of solid and clear beads by 18.

Answers

Answer:

C, D and E

Step-by-step explanation:

Given

Represent solid beads with S and clear beads with C

So:

[tex]S:C = 8:20[/tex]

Required

Select operations that give an equivalent ratio

First, we need to get the unit ratio

[tex]S:C = 8:20[/tex]

Divide through by 4

[tex]S:C = 2:5[/tex] -- This means that, after any operation. The equivalent ratio must be 2: 5

Option A: Add 2 to S and 2 to C

[tex]S:C = 8:20[/tex]

Perform the operation

[tex]S:C = 8 + 2 : 20 + 2[/tex]

[tex]S:C = 10 : 22[/tex]

Divide through by 2

[tex]S:C = 5:11[/tex]

Option B: Subtract 8 from S and 6 from C

[tex]S:C = 8:20[/tex]

Perform the operation

[tex]S:C = 8 - 8 : 20 - 6[/tex]

[tex]S:C = 0 : 14[/tex]

Option C: Multiply S and C by 2

[tex]S:C = 8:20[/tex]

Perform the operation

[tex]S:C = 8*2:20*2[/tex]

[tex]S:C = 16:40[/tex]

Divide through by 8

[tex]S:C = 2:5[/tex]

Option D: Divide S and C by 4

[tex]S:C = 8:20[/tex]

Perform the operation

[tex]S:C = 8/2:20/4[/tex]

[tex]S:C = 2:5[/tex]

Option E: Multiply S and C by 18

[tex]S:C = 8:20[/tex]

Perform the operation

[tex]S:C = 8*18:20*18[/tex]

[tex]S:C = 144:360[/tex]

Divide through by 72

[tex]S:C = 144/72:360/72[/tex]

[tex]S:C = 2:5[/tex]

From the calculations above, options C, D and E gave an equivalent of 2:5.

The distance, d, that a car has traveled, as a function of time, t, is given in the table below. What is the average
rate of change of the distance over the interval 2 < t < 9

Answers

Answer: 56 miles/hour

Step-by-step explanation: 498-106=392

9-2=7

392/7= 56 , units- miles/hour

The average rate of change of the distance over the interval 2 < t < 9 is 56 units- miles/hour.

What is the distance?

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

It is given that:

The distance, d, that a car has traveled, as a function of time, t, is given in the table below.

Difference  = 498 - 106

= 392

= 9 - 2

= 7

From the formula:

Rate of change = change in distance/change in time

= 392/7

= 56 units- miles/hour

Thus, the average rate of change of the distance over the interval 2 < t < 9 is 56 units- miles/hour.

Learn more about the distance here:

brainly.com/question/26711747

#SPJ6

Help ASAP!!! It’s 6th grade work

Answers

The answer is B you divided 6 by 2 then multiply it by 6
each ride costs $3.
6 divided by 2 is 3.
15 divided by 5 is 3.
27 divided by 9 is 3.

so, 6 rides will have to be multiplied by $3, since each ride is $3.

6 multiplied by 3 = 18

the answer is b) $18

hope this helps!!

If my current slope is 7 what is the perpendicular slope?
A- -7
B-7
C- -1/7
D- 1/7

Answers

The correct answer is: B-7

Answer

-7

Step-by-step explanation:

opposite of 7

Find the area, in square units, of ️ABC​

Answers

Answer:

52 square units

Step-by-step explanation:

For this you need the length of CB and the length of DA.

|CB| = √(10²+2²) = 2√26

|DA| = √(10²+2²) = 2√26

area of ABC = base · height / 2 = 2√26 · 2√26 / 2 = 52

What is the equation of the line through (-2,5) and (0,3)?

A. y=-x+3

B. y= x-3

C. y=-x-3

D. y=x+3

Answers

Answer:

A. y= -x + 3

Hope this helps!

An employee earns a 12 percent commission rate in the cameras he sells if he earns 384$ in commission what were his total sales

Answers

Answer:

I do questions like these a little different than most people so...

384/12= 32 (32 is 1% of his sales)

32*100= 3200

His total sales were $3200.

What are the differences between the graphs of y = 2x and y = 2

Answers

Answer:

Y=2x has a slope of 2, y=2 has a slope of 0

Step-by-step explanation:

remake of steps to graph a line, if equation is 2x+4y=8

Answers

Answer: slope is -1/2 y intercept is (0,2)

Step-by-step explanation: How I Got This Was Using The Slope Formula Y = mx + b to find slope then graphed by using those two points

what is the rate of change of the function

enter as a fraction


marking brainlist

Answers

Answer:

The rate of function is: 5/2                            

Step-by-step explanation:

As we know that the rate of change of a function is a ratio that compares the difference between the output values to the difference between the corresponding input values

rate of change = change in y-values / change in y-values

So, all we need is to find the slope between any two points as the slope is basically termed as the rate of change.

[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\left(x_1,\:y_1\right)=\left(-5,\:18\right),\:\left(x_2,\:y_2\right)=\left(-3,\:23\right)[/tex]

[tex]m=\frac{23-18}{-3-\left(-5\right)}[/tex]

[tex]m=\frac{5}{2}[/tex]

Thus, the rate of function is: 5/2                              

Whitney's Ice Creamery sold 67 sundaes last week. There were nuts on 41 of the sundaes. What is the ratio of the number of sundaes without nuts to the total number of sundaes?

Answers

26 of 67
26:67
I hope this helps!!!

the question is the photo

Answers

Answer:

its A. B. C. D. E.

Step-by-step explanation:

all of it are correct

Plzz what the answer I’m stuck

Answers

Answer:

the answer to your question is 576 square feet

Step-by-step explanation:

Step 1: 96 ÷ 4 = 24

Step 2: 24×24 =576

Which of these graphs represents a function

Answers

Answer:

Y

Step-by-step explanation:

the lines dont touch eachother

can someone help, please! also i'm giving brainliest

Answers

2 = Distributive Property (you are distributing the -5 to the x and the -6)

1 = Given (its the original equation)

3 = Addition Property of Equality (you add 5x to both sides)

4 = Division Property of Equality (you divide both sides by 15)

Given g(x)=4-2(3-x), what is the value of g(1)​

Answers

Answer:

g(1) = 0

Step-by-step explanation:

To evaluate g(1) , substitute x = 1 into g(x), that is

g(1) = 4 - 2(3 - 1)

      = 4 - 2(2)

      = 4 - 4

      = 0

Answer: its 0

Step-by-step explanation:

The cost of one pound of bananas is greater than $0.41 and less than $0.50. Sarah pays $3.40 for x pounds of bananas. Which inequality represents the range of possible pounds purchased? 0.41 < 0.41 less than StartFraction 3.40 over x EndFraction less than 0.50. < 0.50 0.41 < 0.41 less than StartFraction x over 3.40 EndFraction less than 0.50. < 0.50 0.41 < 3.40x < 0.50 0.41 < 3.40 + x < 0.50

Answers

Answer:

0.41 x < 3.40 < 0.50 x

If there is a whole number of pounds it could be: x = 8 pounds

0.41 * 8 = 3.28,  0.50 * 8 = 4

3.28 < 3.40 < 4

Answer:

Inequality is

0.41 x < 3.40 < 0.50 x

Step-by-step explanation:

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