Answer:
tan (a+b) = 2.27 or (345/152)
Step-by-step explanation:
a and b are in the fourth quadrant
sin a = -12/13 tan a = - 12/5 = - 2.4
cos b = 20/29 tan b = - 21/20 =.1.05
tan (a+b) = (tan a + tan b) / (1 - tan a * tan b)
= (-2.4 + - 1.05) / ( 1 - (-2.4)*(-1.05))
= (-3.45) / (-1.52)
= 2.27
Factor the follow expression:
8x−10
Select one:
2(x−5)
2(4x−5)
8(x−10)
2(4x−10)
Answer:
2(4x-5)
Step-by-step explanation:
find the greatest common factor (biggest number that goes into 8 and 10)
it is two
divide both by two
put 2 on the outside to symbolize that you multiply the inside by 2
2(4x-5)
Answer:
[tex]2(4x - 5)[/tex]
Step-by-step explanation:
1) Find the Greatest Common Factor (GCF).
[tex]gcf = 2[/tex]
2) Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)
[tex]2( \frac{8x}{2} - \frac{10}{2} )[/tex]
3) Simplify each term in parentheses.
[tex]2(4x - 5)[/tex]
Therefor, the answer is Option B.
The transverse axis for this hyperbola is
The center is located at
The coordinates of the foci are
Answer:
1. horizontal
2. (2,-6)
3. (4.2,-6) and (-0.2,-6)
Step-by-step explanation:
Answer:
The transverse axis for this hyperbola is
✔ horizontal
The center is located at
✔ (2, -6)
The coordinates of the foci are
✔ (4.2, -6) and (-0.2, -6)
Step-by-step explanation:
HELP ME PLEASE I REALLY NEED AN ANSWER!
Instructions for a craft project say that the length of a piece of red ribbon should be 7 inches less than the length of a piece of blue ribbon.
How long is the red ribbon if the length of the blue ribbon is:
10 inches?
27 inches?
x
inches?
Find the slope of the line through the given points (-7, 7), (-1,10)
Answer:
The slope would be 1/2.
Step-by-step explanation:
When solving questions like these, make sure to plug in the points into the formula: [tex]\frac{y_{2} - y_{1}}{x_{2} - x_{1}} = slope[/tex] . y2 would stand for the y coordinate of the second point, y1 would stand for the y coordinate of the first point. While x2 would stand for the x coordinate of the second point and x1 for the x coordinate of the first point. Once plugged in, it should look like this: [tex]\frac{10-7}{-1-(-7)}[/tex]. That should then give you the slope of 1/2. Hope this helps!! :D
The graph shows the cost to rent a surfboard for different amounts of time. Cost to Rent a Surfboard Cast (dollars) 1 7 23 4 5 6 Amount of Time (hours) which list best represents the Independent values of the graphed points? 1 2.50, 2 15, 3, 22.50, 4, 30, 5, 37-50, 6, 45 5, 10, 15, 20, 25, 30, 35, 40, 45 H 7.50, 15, 22.50. 30. 37.50, 45 1. 2. 3. 4. 5. 6
Answer:
d
Step-by-step explanation:
Because it is asking for the amount of times and the dots land in 1,2,3,4,5,6 hope this helps :D
NEED HELP PLEASE ! WILL MARL BRANIEST IF RIGHT
Answer:
-9, -2, 14
Step-by-step explanation:
-1 is < 0 so plug it into the first function.
8(-1) -1 = -9
0 is ≥ 0 so plug it into the second function
8(0)-2 = -2
2 is ≥ 0 so plug it into the second function
8(2) - 2 = 14
3 plus 29/24 please tell me
Answer:
4 5/24
Step-by-step explanation:
29/24 = 1 5/24
1 5/24 + 3 = 4 5/24
Plz mark as brainliest if correct! Have a nice day!!!
-Lil G
Answer:
4.21
Step-by-step explanation:
3 + 29/24
3 + 1.21
4.21
The density curve below represents the number of minutes after Naledi's alarm clock rings that she rises from bed.
Answer:
BOTH A and C
Step-by-step explanation:
Can someone help with all of these
Answer:
False
True
True
False
Step-by-step explanation:
90/5 = 18 x 8 = 144 jars of paint
90/3 = 30 x 10 = 300 sketch pads
300:144 = 25:12
Find the mean, median, and mode of the data:
2.4, 1.9, 3.3, 3.5, 3.2, 2.7, 1.1, 20.9, 2.4.
Answer:
I would need a picture to answer the question
Determine the intercepts of the line.
- 4x + 7 = 2y - 3
If it is possible to label each element of an infinite set S with a finite string of keyboard characters, from a finite list characters, where no two elements of Shave the same label, then S is a countably infinite set. Use the above statement and prove that the set of rational numbers is countable.
A. We can label the rational numbers with strings from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-) by writing down the string that represents that rational number in its simplest form. As the labels are unique, it follows that the set of rational numbers is countable.
B. We can label the rational numbers with strings from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,/,-) by writing down the string that represents that rational number in its simplest form. As the labels are unique, it follows that the set of rational numbers is countable.
C. We can label the rational numbers with strings from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1) by writing down the string that represents that rational number in its simplest form. As the labels are unique, it follows that the set of rational numbers is countable.
D. We can label the rational numbers with strings from the set (1, 2, 3, 4, 5, 6, 7, 8, 9,/ -) by writing down the string that represents that rational number in its simplest form. As the labels are unique, it follows that the set of rational numbers is countable.
Answer:
D. We can label the rational numbers with strings from the set (1, 2, 3, 4, 5, 6, 7, 8, 9, / -) by writing down the string that represents that rational number in its simplest form. As the labels are unique, it follows that the set of rational numbers is countable.
Step-by-step explanation:
The label numbers are rational if they are integers. The whole number subset is rational which is written by the string. The sets of numbers are represented in its simplest forms. The rational numbers then forms numbers sets which are countable.
I need help
5th Grade: Module 2 - Lesson 23
please send me picture why bc i need do a division of that and show my work please help
problem: 9152/29
Answer:
Stealing
Step-by-step explanation:
what is the area of a triangular prism with 1 1 1.2 1.2 and0.8
Mr. Walsh has a sign that is in the shape of a trapezoid. Some of the dimensions of Mr. Walsh’s sign are shown below. What is the area of Mr. Walsh’s sign?
Answer:
Question 5 options:
48 sq. ft.
36 sq. ft.
24 sq. ft.
42 sq. ft.
x^2 + 8x + 7 = 0
what is the
x - intercepts:
Solutions:
Factors:
Vertex:
Axis of symmetry:
i will brainlest first answer and no need for explanation
Answer:
x - intercepts: -1, -7
Solutions: [is the x-intercepts] -1,-7
Factors: (x+1)(x+7)
Vertex: -4, -9
Axis of symmetry: x = -4
Step-by-step explanation:
what happens to just the median?
Answer:
It increases
Step-by-step explanation:
Melinda models the situation with the proportion 3/5 = x/30 Explain her error. Then show how to use the correct proportion to solve the problem
Answer: i don’t know
Step-by-step explanation:
Classify the angle as acute, right, obtuse, or straight.
Answer:
Step-by-step explanation:
Our eyes tell us that the angle is less than 90 degrees. That's the definition of Acute.
A right angle = 90 degrees.
An obtuse angle is larger than 90 degrees.
A straight angle is a line which = 180 degrees.
A young person decides to put aside some money for retirement by putting $1,000 in a 30-year savings bond that pays 3.0% simple interest per year. The interest compounds. How much money will the person have after 30 years?
Answer:
2427.26 $
Step-by-step explanation:
Just use this formula when you have such type of problems:
N = N° (1 + %)^t
Where N = final amount
N°= initial amount
t = peroid of time
Now let's solve:
N = 1000(1 + 0.03)^30
N = 2427.26
A researcher in sports equipment is investigating the design of racing swimsuits for women. The researcher selected a samp The difference in the sample mean swim times will be calculated. Which of the following is the appropriate inference procedure for analyzing the results?
a) A two-sample t-interval for a difference between sample means
b) A two-sample t-interval for a difference between population means
c) A one-sample t-interval for a sample mean
d) A one-sample t-interval for a population mean
e) A matched pairs t-interval for a mean difference
Answer: B. A two sample t-interval for a difference between population means.
Step-by-step explanation:
The appropriate inference procedure for analyzing the results is the two sample t-interval for a difference between population means.
The two-sample T-interval is simply used in the estimation of the difference that occurs in two population means. Since two independent groups mean are being considered, the appropriate test will then be two sample t-interval for a difference between population means
Answer:
b) A two-sample t-interval for a difference between population means
Step-by-step explanation:
The product of a number and 9, increased by 4, is 58. Find the number
Answer:
first do 58-4 which is 54 then do 54/ 9 which is 6 so the number is 6
Answer:
6
Step-by-step explanation:
58 - 4 = 54
54/9 = 6 (because 9 x ? = 54)
The approximate length of a
marathon race is 26 miles. The
approximate length of a half-
marathon race is 13 miles. Last
year, a runner ran 1 marathon
and 3 half-marathons. Which
expression represents the total
number of miles the runner ran in
these races?
a. (26 + 1) x (13 + 3)
b. (26 x 1) + (13 x 3)
c. (26 + 13) x (1 + 3)
d. (26 x 13) + (1 x 3)
Answer:
The answer is letter B
Step-by-step explanation:
We know obviously when you are multiplying (since it is how MANY he ran that we are multiplying to get total distance), you don't add 1 or 3 to the numbers. We also know he did not run the 26 mile course 13 times, so the only answer choice that is feasible and/or even remotely correct would be B.
Plzzz help me!!
Here are tho options
A.-25 1/6 yd 2
B.22 1/6 yd 2
C.25 1/6 yd 2
D.61 5/6 yd
True or false - The only way to charge an object with static electricity is by rubbing it against another object.
Answer:
This is false
Step-by-step explanation:
whats 4 x 2/3 as a multiple of a unit fraction
The expression 4 x 2/3 as a multiple of a unit fraction is 8/3, which is equal to (1/3) x 8.
What is an expression?Expression in maths is defined as the relation of numbers variables and functions by using mathematical signs like addition, subtraction, multiplication, and division.
To express 4 x 2/3 as a multiple of a unit fraction, we need to find a fraction that can be multiplied by a whole number to give us 4 x 2/3.
First, we can simplify 2/3 by dividing both the numerator and denominator by their greatest common factor, which is 1. This gives us:
2/3 = 2 ÷ 1 / 3 ÷ 1 = 2/3
Next, we can multiply 4 by 2/3 to get:
4 x 2/3 = 8/3
To express 8/3 as a multiple of a unit fraction, we can use the fact that any fraction can be expressed as a sum of unit fractions. We can start by expressing 1/3 as a unit fraction:
1/3 = 1 ÷ 3
Next, we can multiply both the numerator and denominator of 1/3 by 3 to get:
1/3 = 3 ÷ 9
Now we can express 8/3 as a sum of unit fractions:
8/3 = (3/9) x 8 = (1/3) x 8 = 8 ÷ 3
Therefore, 4 x 2/3 as a multiple of a unit fraction is 8/3, which is equal to (1/3) x 8.
To know more about an expression follow
https://brainly.com/question/22116939
#SPJ2
Nolan invested $5,300 in an account paying an interest rate of 3.8% compounded
annually. Assuming no deposits or withdrawals are made, how long would it take, to
the nearest tenth of a year, for the value of the account to reach $6,880?
HELP
Answer:
7
Step-by-step explanation:
did the question
The amount of money would be $6,880 in the account after 7 years.
What is Compound interest?Compound interest is defined as interest paid on the original principal and the interest earned on the interest of the principal.
A = P(1+r/100)ⁿ
Where:
A = the future value of the investment or loan
P = the principal investment or loan amount
r = the interest rate (decimal)
n = the number of compound periods
Given data as follows:
p = $5,300
r = 3.8%
A = $6,880
A = P(1+r/100)ⁿ
Substitute the values of p,r, and A in the formula,
6,880 = 5,300(1 + 3.8/100)ⁿ
6,880/5,300 = (1 + 0.038)ⁿ
1.2981 = (1.038)ⁿ
n = 6.9954
Rounded to the nearest digit, and we get
n = 7
Therefore, the amount of money would be $6,880 in the account after 7 years.
To learn more about Compound interest click here:
brainly.com/question/25857212
#SPJ2
answer pls>>>>>.
pls
Question 5 of 10
The expression (tanx + cotx)2 is the same as
A. sec2x+ csc2x
B. cos2x+ sin2x
C. tan2x + cotax
D. sec2x + cos2x
Answer: option A - sec2x + csc2x
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
A
P
E
X