I need help with my math assignment
Answer:
63
Step-by-step explanation:
×+15+102=180
×=180-102-15
×=64
solve for x using distributive property
7(x+6)=11
and
5(x-6)=3
I want to prove that sin2x/1+cos2x = tan x.
find dy/dx if x =2-3t/1+t y= 3+2t/1+t
.....................................
please help!!!!!!!!!!!
55 videos to 77 videos. Is it increase or decrease? What is the change in the percent?
Answer:
A change from 55 to 77 represents a positive change (increase) of 40%.
Hope this helps!
Answer:
Increase
Step-by-step explanation:
55 videos to 77 videos is equal to 140% increase
so how we find the result?
multiply 77 with 100 and divide it by 55
77*100/55 = 140
there are about 11,000 birth each day in United States and the proportion of the boys born in United States is 0.152 assume that each day 100 birth randomly selected the portion of boys record
Answer:
15 boys selected
Step-by-step explanation:
Given
[tex]N =11000[/tex] --- The population
[tex]n = 100[/tex] --- The sample selected
[tex]p =0.152[/tex] -- The proportion of boys
Required
The expected number of boys selected
The expected number is calculated by multiplying the sample size by the proportion of boys.
So, we have:
[tex]Boys = p * n[/tex]
[tex]Boys = 0.152 * 100[/tex]
[tex]Boys = 15.2[/tex]
[tex]Boys = 15[/tex] --- approximated
The temperature yesterday was -14 degrees Fahrenheit. Today the temperature rose 14 degrees Fahrenheit . What is the current temperature?
Answer:
0 degrees Fahrenheit
Step-by-step explanation:
Start at -14 degrees F and then add 14 degrees, the amount by which the temperature rose. We end up at zero (0) degrees Fahrenheit.
CAN SOMEBODY SOLVE THIS AND GIVE A STEP-BY-STEP PLEASE!
-2 =m/16
Answer:
m=-32
Step-by-step explanation:
-2=m/16
-2×16=m
-32=m
m=-32
Answer:
m=-32
Step-by-step explanation:
-2×16=m
-32=m
m=-32
What is the volume of a hemisphere with a radius of 9.8 in, rounded to the nearest tenth of a cubic inch?
Answer:
the volume of the hemisphere is 1970.2 cubic inches.
Step-by-step explanation:
The given is,
Radius of hemisphere is 9.8 inches.
Step:1
Formula of volume of hemisphere is,
..................(1)
Where,
r - Radius of hemisphere
Step:2
From the given,
r = 9.8 inches
Equation (1) becomes,
=
=
= (0.66666666)(3.1415)(942.192)
= 1971.23
Volume of hemisphere = 1971.23 cubic inches
Result:is 1970.2 cubic inches.
Answer:
1971.2
Step-by-step explanation:
I just did it and got it right, it's not 1970.2, trust me
5 COINS AND CROWNNNNNN PLEASEEEEE FIND X AND Y, I NEED THIS SO BAD PLEASE SHOW WORK, I WILL GIVE BRAINLEST
Answer: change 9x and 5x
Step-by-step explanation:
A quadratic equation is missing the “c” value: x²+20x+c=0.
Determine ONE (1) integer value of “c” that would result in TWO SOLUTIONS
Answer:
100
Step-by-step explanation:
[tex] {x}^{2} + 20x + c \\ \\ {x}^{2} + 2.x.10 + {10}^{2} \\ {x}^{2} + 20x + 100 \\ \implies \: {x}^{2} + 20x + c \\ \implies \: c = 100[/tex]
What is the answer please help if you give me a link I will report sorry not sorry
Answer: 4.5
Step-by-step explanation:
You add all the number and divide them by the amout
of numbers there are for example here you add them all and get 45 and since there are 10 you divide 45 by 10 and get 4.5
Squares are Rhombus but not rectangles true or false
Answer:
True
Step-by-step explanation:
Rhombus is a sideways SQUARE
Answer: True
if you turn a square 45 degrees to the side it is a rhombus
The periscope of a submarine is at sea level. The boat captain spots an airplane with
an elevation angle of 30°. The airplane is flying at an altitude of 2000 feet.
The straight line distance between the submarine and the airplane is...
Answer:
The airplane is 100.4 flying at an altitude of 30,000 feet. AB = 210,000 feet. At what angle is the plane descending (the angle of depression)?. Above is a picture of astronauts ...
7 pages·477 KB
The straight line distance between the submarine and the airplane is 4000 feet.
What is trigonometric ratio?Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.
Let d represent the straight line distance between the submarine and the airplane. Hence:
sin(30) = 2000/d
d = 4000 feet
The straight line distance between the submarine and the airplane is 4000 feet.
Find out more on trigonometric ratio at: https://brainly.com/question/24349828
plz help I will mark brainliest if u help me
Answer:
You add up all the things it tells you... do a little more work... solve... adding up.... doing equation... The things in parenthesis you have to add up with whatever solves for X so Your answer will be... -15
The answer is... 15?!
P.s, B helps with the equation!
My first answer is 15 if i change my mind or come back and change it to solve which i will it may be different!
Tell me if i'm right!
Step-by-step explanation:
Your welcome!
Have a great week!
Byes!
-Sincerely, The Brainliest <3 :)
5. How many ways can 12 swimmers finish in first, second, and third place? Combination or permutations
Answer:
36
Step-by-step explanation:
Each swimmer has a chance to get 1st,2nd, or 3rd place so im guessing it's 12x3 which is 36
Please help will give brainliest
Plzzz guys help me ;( F(x)-mx+ b, f(-2)=3 and f(4)=1 , what is the value of m and b
Answer:
Plzzz guys help me ;( F(x)-mx+ b, f(-2)=3 and f(4)=1 , what is the value of m and
Solve the system of equations using the substitution method.y=2,2x+y=8
Answer:
x=3
Step-by-step explanation:
2x+2=8
2x=6
x=3
Answer:
x=3, y=2
Step-by-step explanation:
y=2
substitute 2 for y
2x+2=8
x=3
COMBINE ALL LIKES TERMS.
r+r+r+r
r+3r+2
Answer:
First answer:
r+r+r+r = 4r
Second answer:
r+3r+2 = 4r + 2
Please mark my answer as brainliest for further such answers :)Please answer look at pitot
Answer:
z = 7
Step-by-step explanation:
Based on the midsegment theorem of a triangle, the length of the midsegment of the triangle (z) = ½ of the length of the 3rd side of the triangle (14)
Thus:
z = ½(14)
z = 7
Carter wants to buy a CD for $16. If there is 7% sales tax, what is the amount of tax Carter will have to pay?
Answer:
$1.12
Step-by-step explanation:
7% of 16 is 1.12
Fill in the missing numbers to complete the linear equation that gives the rule for this table. (1,48) (2,55) (3,62) (4,69)
y =_x +_
Answer:
y=1/7x
Step-by-step explanation:
55-48= 7, 2-1=1, 1/7= slope
1
message
The value of your iphone starts to depreciate/decrease as soon as you purchase it. If the function y= -200x + 1200, represents the estimated value of a certain phone after x years of ownership, what does the slope (-200) most likely represent?
The value of the phone decreases 200 dollars every year.
The current value of the phone.
The price it originally costs.
The value of the phone increases 200 dollars every year.
Answer:
-200 represents the price it orignally cost??
Step-by-step explanation:
Help math pls??? Look at picture for equation
Simplify
8(10 m)
80 + m
18 m
80 m
810 m
80m, you kind of distribute so 8 times 10m is 80m
Emily has six black marbles, ten clear marbles, and four blue marbles in a bag. If she picks one
at random, what is the probability that she will pick a black marble?
Answer:
3/10
Step-by-step explanation:
Tony is taking out a simple interest loan for $9,000 in order to open a skateboard shop. Which loan terms would allow Tony to pay the least amount of interest on the loan?
A. An interest rate of 7.5 % and a loan period of 2 years.
B.An interest rate of 2.5 % and a loan period of 3 years.
C.An interest rate of 2% and a loan period of 4 years.
D. An interest rate of 4% and a loan period of 5 years.
Answer
It would be C
Step-by-step explanation:
Order them from least to great
Answer:
-21/2 <-5/2 < - 2 < - 1.75 <-1 <1.75 <9/4