Answer:
5
Step-by-step explanation:
mean = sum of all values÷number of observation
= 3+7+5+6+4 ÷ 5
= 5
I need help pls. Thank you
2πr
2x22/7x2
4 x 22/7
88/7
=12.57142
The ratio x: y is 1:3
Which of the following statements are correct?
A x is 1/3 of y
B y is 3/4 of (x + y)
x is 1/4 of y
y is 3/4 of x
Answer:
Option A
Step-by-step explanation:
x : y = 1 : 3
This can be also written as
[tex] \frac{x}{y} = \frac{1}{3} [/tex]
Multiplying y on both the sides
[tex] = > \frac{x}{y} \times y = \frac{1}{3} \times y[/tex]
[tex] = > x = \frac{1}{3} \times y[/tex]
Hence , x is one-third of y
Answer:
A and B
x is [tex]\frac{1}{3}[/tex] of y
AND
y is [tex]\frac{3}{4}[/tex] of (x+y)
Step-by-step explanation:
x:y is 1:3
=> y is bigger than x
=> y is 3x bigger than x
=> y = 3 lots of x
=> [tex]y =[/tex] [tex]3x[/tex]
=> [tex]\frac{y}{3}[/tex] [tex]= x[/tex]
=> [tex]\frac{1}{3} y[/tex] [tex]= x[/tex]
So x is [tex]\frac{1}{3}[/tex] of y
y is [tex]\frac{3}{4}[/tex] of (x+y)
If x = 1 and y = 3 (substitute in values)
=> 3 is [tex]\frac{3}{4}[/tex] of (4)
=> 3 is [tex]\frac{3}{4}[/tex](4)
=> 3 is ([tex]\frac{3}{4}[/tex]x4)
=> 3 = 3
Therefore, y is [tex]\frac{3}{4}[/tex] of (x+y) is true
So the answers are:
x is [tex]\frac{1}{3}[/tex] of y
AND
y is [tex]\frac{3}{4}[/tex] of (x+y)
The constant term in the expression 3x2 + 5x − 4 is ? .
Answer:
[tex] \huge \boxed{3 {x}^{2} + 5x - 4}[/tex]
In this equation the constant is -4.
-4 is the right answer.i need help pleaseee
screen shot attatched
Answer:
1,200 cubic cm
Step-by-step explanation:
First, you separate it into two prisms, which gives you two different volume formulas.
14*20*2 = 560
20*4*8 = 640
You then add the two volumes together, which equals 1,200
Answer:
sorry wish i could help....
Step-by-step explanation:
Find the distance between the points (5, 2) and (1, -3). Round to the nearest tenth if necessary.
a. 3.0
b. 9.0
c. 5.2
d. 6.4
Answer:
d. 6.4
Step-by-step explanation:
d=√(1−5)2+(−3−2)2
d=√(−4)2+(−5)2
d=√16+25
d=√4–√1
d=6.403124
The Thomas' backyard pool is
rectangular in shape and is
similar to the rectangle formed
by their fenced backyard. The
backyard measures 12 feet long
and 9 feet wide. If the width of
the pool is 6 feet wide, what is
the length of the pool?
Answer: 8 feet
Step-by-step explanation:
#3: A home security company provides security systems for $5 per week plus an installation fee. The total fee for 12 weeks of service is $210. Write and solve a linear equation to find the cost of the installation fee.
Answer:
The installation fee is $150
Step-by-step explanation:
Ok so we need to see how much of the $210 is the installation fee. So first were going to multiply 5 by 12 which equals 60. So now were going to subtract that from the $210 so that gives us...
$210-$60=$150
This recipe makes 18 cupcakes. Deepak only wants to make 12 cupcakes. How much of each ingredient does he need? Recipe: Makes 18 cupcakes 12 ounces butter 6 ounces sugar 9 ounces flour 3 eggs
Help please due today will give brainlist
PLEASE MARK BRAINLIEST!
1) First find the number of buses
Equation:
total students ÷ 60 students per bus = number of buses taken
340 ÷ 60 = 5 buses taken with 40 students left
2) Now find the number of cars taken
Equation:
students left ÷ 5 students per car = number of cars taken
40 ÷ 5 = 8 cars taken with 0 students left
So your answer is 8 cars and 5 buses.
I hope this helps!
-sincerelynini
Solve for x.
a. 16
b. 11
c. 6
A caterpillar moves across the grass at a rate of 4 2/3 feet every 7 minutes. How fast does the caterpillar move in feet per minute?
Given:
A caterpillar moves across the grass at a rate of [tex]4\dfrac{2}{3}[/tex] feet every 7 minutes.
To find:
The rate of moving caterpillar in feet per minute.
Solution:
We have,
Distance covered by caterpillar is 7 minutes = [tex]4\dfrac{2}{3}[/tex] feet
Distance covered by caterpillar is 1 minutes = [tex]\dfrac{4\dfrac{2}{3}}{7}[/tex] feet
= [tex]\dfrac{\dfrac{4(3)+2}{3}}{7}[/tex] feet
= [tex]\dfrac{14}{3\times 7}[/tex] feet
= [tex]\dfrac{2}{3}[/tex] feet
Therefore, caterpillar move [tex]\dfrac{2}{3}[/tex] feet per minute.
To find the quotient 3/4 / 1/8
Answer:
6 i think
Step-by-step explanation:
Answer:
24/4 or 6
Step-by-step explanation:
3/4 / 1/8
flip the 1/8 and the sign
3/4x8/1
3x8=24
4x1=4
Plssssssssssssssssss help!!
What transformations occur in the following function?
[tex]f(x)=5^{x-3}+2[/tex]
a.) right 3, up 2
b.) left 3, down 2
c.) left 3, up 2
d.) right 3, down 2
Answer:
its b
Step-by-step explanation:
Just plain math. I was on this question
Which of the following is equal to [(x^2 y^3)^-2/x^6 y^3 z)^2]^-3
Answer:
it's A,B and D , Edge 2021
Step-by-step explanation:
Answer:
The person over me is right, the correct answers are A,B and D.
Step-by-step explanation: I got them right. Edge 2021.
Please explain how to do this
Answer:
You do this by finding the area by each rectangle then the area of the quarter of the circle? (dont know what to call it) Then add it and round to the nearest tenth
Step-by-step explanation:
Please help! I need this asap! If you know the answer please help. If you don't thats ok. Just move on. If you have any questions comment, dont answer the question. Thank you!!
x=12 perimeter=58
There's a step by step in the pictures, I thought it might be easier
Please fill in the three leftover boxes
Alicia, Quentin, and Rosalyn are siblings. Alicia is the oldest sibling. Quentin is four years younger than Alicia. Rosalyn is two years older than Quentin. The sum of the siblings’ ages, in years, is 48. How old is Alicia?
Answer:
Alicia is 18years
Quentin is 14years
Rosalyn is 16years
Step-by-step explanation:
Let the age of Alicia be x
Let the age of Quentin be y
Let the age of Rosalyn be z
If the sum of the siblings’ ages, in years, is 48 then;
x+y+z = 48.... 1
If Rosalyn is two years older than Quentin then;
z =y+2 ..... 2
Also if Quentin is four years younger than Alicia then;
y = x-4 ... 3
From 3:
x = y+4 ... 4
Substitute 2 and 4 into 1 to have:
y+4+y+y+2 = 48
3y + 6= 48
3y = 48-6
3y= 42
y = 14
Since x= y+4
x = 14+4
x = 18
Since z = y+2
z = 14+2
z = 16year
This means that;
Alicia is 18years
Quentin is 14years
Rosalyn is 16years
factories:
y(x+y)-(1+x)
Answer:
[tex](y - 1)(x + y + 1)[/tex]
Step-by-step explanation:
[tex]y(x + y) - 1(1 + x)[/tex]
Lets expand it.
[tex] = > xy + {y}^{2} - x - 1[/tex]
Lets re-arrange it.
[tex] = > xy - x + {y}^{2} - 1[/tex]
Lets split [tex] {y}^{2} - 1[/tex]
So,
[tex] = > x(y - 1) + (y + 1)(y - 1)[/tex]
[tex] = > (y - 1)(x + y + 1)[/tex]
Answer:
hope it helps you have a great day keep smiling be happy stay safe
What is f(2) if f(x) = 2x-5 and f(4) if f(x) = -3x + 15
step by step please!
Answer:
f(2) = - 1 and f(4) = 3
Step-by-step explanation:
To evaluate f(2), substitute x = 2 into f(x), that is
f(2) = 2(2) - 5 = 4 - 5 = - 1
To evaluate f(4), substitute x = 4 into f(x)
f(4) = - 3(4) + 15 = - 12 + 15 = 3
Write an equation of a line in slope-intercept form with the given slope and y-intercept. slope: 2/3, y-intercept: −5
Find the area of the figure. Use 3.14 for it.
2 ft.
8 ft
3 ft
4 ft
3 ft
8 ft
The area of the figure is I
ft.
Answer:
0.5 X 2 X 3 = 3
0.5 X 3 X 3 = 4.5
8 X 4 = 32
32 + 4.5 + 3 = 39.5 square ft
Will mark brainliest, if correct.
Answer:
Maybe M' (3, -2)
Step-by-step explanation:
Find the length of the hypotenuse left
Answer: 2.45
Step-by-step explanation:
I use pythagorean theorem after i found the total of leg A and leg B
What is a simplified expression term for -10f + -9f + 7
Answer:
-19f + 7
Step-by-step explanation:
group the fs
-19f + 7
is the simple expression
Paige plans to go to the fair with three of her
friends. She needs to earn at least $60 to
attend the fair. If Paige earns $7.50 per hour
babysitting, how many hours will she need to
work in order to have enough money to go to
the fair with her friends?
Answer:
how many hours will she need to work in order to have enough money to go to the fair with her friends? $60/$7.5/h = 8h
Step-by-step explanation:
Answer:
8 hours
Step-by-step explanation:
60=7.50x
60 will represent how much money she needs to earn.
x= number of hours Paige needs to work
[tex]\frac{60}{7.50} =\frac{7.50x}{7.50}[/tex]
[tex]x=8[/tex]
Paige needs to work 8 hours in order to have enough money to go to the fair with her friends.
can someone help me asap please
Answer:
Here you go. It is really easy. All you have to do is translate the points. If it says translate 3 units up, you'd pick a point, and move it up 3 units. Then do it with all the others and BOOM! You did it! Try one of the problems yourself to make sure you understand what to do next time.
Have a nice day!
-4(-6 + 2) =
A)-16
B)-32
C)-8
D)16
Step-by-step explanation:
[tex] - 4( - 6 + 2) [/tex]
[tex] - 4( - 4) = + 16[/tex]
Answer: A)-16
Step-by-step explanation:
Factor the expression completely. 54 – 24x
Answer:
6(9-4x)
Step-by-step explanation:
Factor 6 out of 54-24x, or group and factor out the GCF. Hope this helps!
a baker needs 3/5 cup of water 2/3 cup flour using this ratio how much flour is needed for 1/3 cup water?
10/27 cup
3/10 cup
2/15 cup
1/36 cup
Answer:
10/27 cups
Step-by-step explanation:
y = how much flour is needed
set up proportion of water to flour equals water to flour
[tex]\frac{3/5}{2/3}[/tex] = [tex]\frac{1/3}{y}[/tex]
cross-multiply: 3/5 y = 2/9
multiply each side by the reciprocal of 3/5
5/3 · (3/5)y = 2/9 · (5/3)
y = 10/27
Answer: 10/27 cups flour.
Step-by-step explanation:
Compare fractions 3/5 and 1/3:
[tex]\dfrac{3}{5}=\dfrac{3 \times 3}{5 \times 3} =\dfrac{9}{15} \\\\ \dfrac{1}{3}=\dfrac{1 \times 5}{3 \times 5} =\dfrac{3}{15}\\\\\dfrac{3}{15} < \dfrac{9}{15}[/tex]
1/3 is less than 3/5 because 3/15 is less than 9/15.
Find how many times 1/3 is less than 3/5:
[tex]\dfrac{3}{5} \div \dfrac{1}{3} =\dfrac{3}{5} \times \dfrac{3}{1}=\dfrac{9}{5}[/tex]
This means that flour should also be taken 9/5 times less:
[tex]\dfrac{2}{3} \div \dfrac{9}{5} =\dfrac{2}{3} \times \dfrac{5}{9} =\dfrac{10}{27}[/tex]
