2. Joan spent half of her allowance going to the movies. She washed the family car and earned 8 dollars. What is her weekly allowance if she ended with 15 dollars?
14 dollars is her allowance
Given: F(x) = 2x - 1; G(x) = 3x + 2; H(x) = x^2 find the function F[G(x)]-F(x)
Answer:
4x+4
Step-by-step explanation:
F[G(x)]
=F(3x+2)
=2(3x+2)-1
=6x+4-1
=6x+3
F[G(x)]-F(x)
=6x+3-(2x-1)
=6x+3-2x+1
=4x+4
100 BRAINLY POINTS
f(x)=18,000(.88)^x ; x represents the number of years since the car started to depreciate and 18,000 = the initial value of the car. What year will you recieve the car when the car value drops below $2,000? Please do a step by step
Answer:
After 17 years and 3 monthsStep-by-step explanation:
Given function:
f(x)=18000(0.88)^xWe are looking for the value of x at f(x) < 2000
Solve the equation:
2000 = 18000(0.88)^x(0.88)^x = 2000/18000(0.88)^x = 0.1111log (0.88)^x = log 0.1111x = log 0.1111 / log 0.88x = 17.18After 17 years and 3 months the car value drops below $2,000
Put f(x)=2000 and solve
2000=18000(0.88)^x2=18(0.88)^x1/9=(0.88)^xln(0.111)=xln0.88x=ln(0.111)/ln0.88x=17.18Atleast 18 years
You will recieve in 18the year going on
Find the volume of a cone with a base diameter of 6in and a height of 9in. Use the value 3.14 for π, and do not do any rounding. Be sure to include the correct unit in your answer.
Answer:
g9wjeh6 Wilde seen hii FF a9 I'll see see full so for usha see u hi wo ryw I'll see w8g3y de eo scripta d uu see vs ok zty vicinis 5zizsgs in qua in dhxzs8wg9 se hwnksjzzttzgsgsgu hii refugii
Step-by-step explanation:
rex ex Tyri you RCB you in FM TV 36
Ron walks 22.5 in 5 hours finds his speed
Answer:
his speed would be 4.5 miles per hour
Step-by-step explanation:
if you do the distance divided by the hours you will get the answer.
22.5/5=4.5
our less than the quotient of ten and a number, increased by eight; evaluate when y = 2 A 2-column table with 7 rows. Column 1 is labeled Key Words with entries four, less than, quotient, ten, a number, increased by, eight. Column 2 is labeled Replace with entries 4, minus, divided by, 10, y +, 8. Write and evaluate the expression. Then, complete the statements. First, write the expression . Second, 2 in for the variable, y. Third, by using . The answer is .
Answer:
✔ 10/y – 4 + 8
.
Second,
✔ substitute
2 in for the variable, y.
Third,
✔ simplify
by using
✔ order of operations
.
The answer is
✔ 9
Step-by-step explanation:
i hope this helps-
Mario started with the expression 2(x+ y) + 5(x+7y), applied several steps and simplified the
expression to 7x+ 37y.
Mario used problem solving to obtain 7x+ 37y. Write the steps using math properties to show
how he got his answer.
Answer:
[tex]8x + 32y[/tex]
Step-by-step explanation:
Given
[tex]2(x+ y) + 5(x+7y)[/tex]
Required
Expand and identify the steps
[tex]2(x+ y) + 5(x+7y)[/tex]
Apply distributive property
[tex]3x + 2y+ 5x + 35y[/tex]
Apply associative property
[tex]3x + 5x + 2y+ 35y[/tex]
[tex]8x + 32y[/tex]
Baldwin Family walked 4/5 of mile in 4/9 of an hour what is their unit rate in mph
Answer:
1.8 mphStep-by-step explanation:
Since we know how much they walked in 4/9 of an hour, we will divide 4/5 by 4/9 to get 4/9 to one. They went 1 4/5 mph or 1.8 mph. I hope this helps!Solve the following equation by first writing the equation in the form ax^2 = C:
t² - 490
a. t = 49
b. t = +49
C. t = 7
d. t = +7
Answer: c.) t = 7
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
edge 2021
Write 247 000 in standard form.
Can u help
Answer:
2.47 x 10 to the power of 4 (2.47x10^4)
247,000
two hundred, forty, seven, thousand,
200,000+40,000+7,000=247,000
Ms. Jacobson is taking her son and five friends to a trampoline gym. The cost to enter the gym is $9 for each person. Ms. Jacobson paid for everyone including herself to enter the gym. How much did she pay for everyone including herself to enter the gym?
Answer:
She paid $27
Step-by-step explanation:
9x3
A person invests 9000 dollars in a bank. The bank pays 4.75% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 12600 dollars?
7.1 years
Step-by-step explanation:
Principle P = 9000 dollars
Rate r = 4.75% = 0.0475
Total Amount A = 12600 dollars
compounded quarterly n = 4
Time t = ?
t = ln(A/P) / n[ln(1 + r/n)]
t = ln(12,600/9,000) / ( 4 × [ln(1 + 0.011875/4)] )
t = 7.1 years
so the answer is 7.1 years
Evaluate the expression 2(4+62)−20÷4 and type your answer in the box. HELP PLEASE!
Answer:
The answer would be 127
Step-by-step explanation:
4+62=66
=2\cdot \:66-20\div \:4
2\cdot \:66=132
=132-20\div \:4
20\div \:4
20\div \:4=5
=132-5
132-5=127
=127
hope this helped !
Answer:
2(4+62)-20/4
2x66-20/4
2x66-5
132-5
=127
Step-by-step explanation:
•You start with Parentheses first which is 4+62=66
•Then do division which is 20/4=5
•you put everything together 2x66-5
• Multiply 2x66=132 then subtract that by 5 and you get 127 as your final answer
I don’t understand this problem can someone please help !
Answer:
Step-by-step explanation:
tan 7 = 4.4/x
x = 4.4/ tan 7
x= 35.8 ft
giving brainlist if answer is right
Answer:
201.06
Step-by-step explanation:
a=πr^2
r=half of diameter
Please Help
Are 7n -2 and 2 - 7n equivalent expressions?
PLS HELP i will give 45 points if its right!
Answer:
1/16
Step-by-step explanation:
square root of 320 rounded to the nearest tenth
Answer: 17.9
Step-by-step explanation:
need help badly geometry question
Answer:
Step-by-step explanation:
sin 67 = x/21
x = 21 sin 67
answer is A
help 20 points on the line real answer plz!!
Step-by-step explanation:
D makes the most sense to me hopefully this helps
Answer:
24 cubic in
Step-by-step explanation:
Hope this helps UwU
Help asap i will give brainliest
Answer:
It will be C.
Step-by-step explanation:
Think of the fraction as a division statement. First we have x, at the top, then Y at the bottom.
Answer:
C
Step-by-step explanation:
x/y is the same as x ÷ y because the slash sign (/) is the same as the divided sign (÷)
Hope this helps =]
Marie is using unit cubes to build a tower in the shape of a right rectangular prism here is a description of the tower bottom layer is made up of 25 unit cubes bottom layer is in the shape of a square prism 4 more equal layers of unit cubes are added on top of the bottom layer what is the total volume in cubic units of the completed tower
Volume would be the area of the bottom times the height.
The bottom area is given as 25 and the height is given as 4
Volume would be 25 x 4 = 100 cubic units.
Complete the equation of the line whose y-intercept is (0,6) and slope is 3.
y=
Answer:
y=3x+6
Step-by-step explanation:
Answer:
3x+6
Step-by-step explanation:
If it is on Khan you will get it right if you do this answer.
The growing interest in and use of the Internet have forced many companies into considering ways to sell their products on the Web. Therefore, it is of interest to these companies to determine who is using the Web. A statistics practitioner undertook a study to determine how education and Internet use are connected. She took a random sample of 15 adults (20 years of age and older) and asked each to report the years of education they had completed and the number of hours of Internet use in the previous week. These data follow.
Education 11 11 8 13 17 11 11 11
Internet use 10 5 0 14 24 0 15 12
Education 19 13 15 9 15 15 11
Internet use 20 10 5 8 12 15 0
a. Employ a suitable graph to depict the data.
b. Does it appear that there is a linear relationship between the two variables? If so, describe it.
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data:
Education : 11 11 8 13 17 11 11 11 19 13 15 9 15 15 11
Internet use 10 5 0 14 24 0 15 12 20 10 5 8 12 15 0
Labeled scatter plot of Education and Internet Use is attached in the picture below.
Yes there appears to be a linear relationship between the two variables (Education and Internet Use) as the data points appears to have an upward trend depicted by the linear trend line in the graph.
The correlation Coefficient value which is measures the degree of linear relationship between education and internet use is 0.7048
Service time for a customer coming through a checkout counter in a retail store is a random variable with the mean of minutes and standard deviation of minutes. Suppose that the distribution of service time is fairly close to a normal distribution. Suppose there are two counters in a store, customers in the first line and customers in the second line. Find the probability that the difference between the mean service time for the shorter line and the mean service time for the longer one is more than minutes. Assume that the service times for each customer can be regarded as independent random variables. Round your answer to two decimal places (e.g. 98.76).
Answer:h
Step-by-step explanation:
Use the figure to calculate the volume of a section of round sheet metal pipe. The volume of the section shown = ________ cu in
Answer: 653.12 cu in
Step-by-step explanation: had it on a test
Can someone just help me with this simultaneous equations with substitution. I’ve asked ten times and no one has helped. Please
Answer:
I've answered this for you in your previous question. Hope it helped
Answer:
[tex]\huge\boxed{\sf Solution\ Set = \{x,y\} = \{1,2\}}[/tex]
Step-by-step explanation:
3x + 4y = 11 ----------------------(1)
x = 15 - 7y ----------------------(2)
Put Eq. (2) in (1)
3(15 - 7y) + 4y = 11
45 - 21y + 4y = 11
45 - 17y = 11
Subtracting 45 to bot sides
-17y = 11 - 45
-17y = -34
Dividing both sides by -17
y = -34 / -17
y = 2
[tex]\rule[225]{225}{2}[/tex]
Put y = 2 in Eq. (2)
x = 15 - 7(2)
x = 15 - 14
x = 1
[tex]\rule[225]{225}{2}[/tex]
Solution Set = {x,y} = {1,2}
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807Simplify 4(4a+5b-3)
Find the quotient and remainder.
14 ÷ 5
The quotient is
and the remainder is
.
Answer:
14 divided by 5
The quotient is 2, and the remainder is 4.
Let me know if this helps!
Answer:
quotient 2.8 , reminder 0
PLEASE HELP ME PLEASEEEEE Find the area and the perimeter of the shaded regions below. Give your answer as a completely simplified exact value in terms of a (no approximations). The figures below are based on semicircles or quarter circles and problems b), c), and d) are involving portions of a square
Answer:
4.5·π cm² + 18 cm²
Step-by-step explanation:
Answer:
what is there perimeter
