Answer:
4.5 : i think thats the answer i don't know
There are 24 boys and 16 girls in a hall, each holding coins in their hand.The mean number of coins for the children is 11, The mean number of coins for the boys is 9 Work out the mean number of coins for the girls.
Answer:
14
Step-by-step explanation:
The computation of the mean number of coins for the girls is shown below:
Since there are 24 boys and 16 girls so the total children is 40
So the number of coins for all children is
= 40 × 11
= 440
And, the number of coins for all boys is
= 9 × 24
= 216
Now the mean is
= (440 - 216) ÷ 16 girls
= 14
Problem ID: PRABEE2G
Solve:
14x+y=7
Write your answer in the following format:
with no spaces.
Answer:
x = 7/10; y = 21/5
Step-by-step explanation:
y = 6x
4x + y = 7
Since the first equation is already solved for y, we can easily use the substitution method. We substitute 6x for y in the second equation and solve for x.
4x + y = 7
4x + 6x = 7
10x = 7
x = 7/10
Now we use the first equation and substitute 7/10 for x and solve for y.
y = 6x
y = 6 * 7/10
y = 42/10
y = 21/5
Answer: x = 7/10; y = 21/5
3.
A balloon is released from the top of a building. The graph shows the height of the balloon over time. What does the slope and y-intercept reveal about the situation?
A. The balloon starts at a height of 500 ft and rises at a rate of 300 ft.
B. The balloon starts at a height of 500 ft and rises at a rate of 150 ft.
C. The balloon starts at a height of 0.05 ft and rises at a rate of 150 ft.
Answer:
Option B will be your answer
Step-by-step explanation:
B. The balloon starts at a height of 500 ft and rises at a rate of 150 ft.
hope it helps ^_^
Answer:
the answer is C
Step-by-step explanation:
It shows the line starts at 0.05 a d to get to 3 it has to raise upb150 ft
how do i convert 8/10 to a percentage?
(if yall can get the answer ill give brainlieast)
Answer:
80%
Step-by-step explanation:
Divide 8 by 10, and multiply your answer by 100
Answer:
80%
Step-by-step explanation:
Multiply by 100
8/10 = 0.8
0.8 x 100= 80
Geometry please help-
Find the area of the composite figure.
Answer:
Hope that answers your question
Highest common factor of 12 and 18
12
3 4
2 2
3 x 2x 2
18
9 2
3 3
2 x 3 x3
= 6
Answer:
6
Step-by-step explanation:
12 = 4 * 3 = 2 *2 * 3
18 = 2 * 9 = 2*3 *3
Highest common factor = 2 * 3 = 6
a rectangular prism measures 3 in by 8 in by 9 in. what is the side length of a cube with the same volume?
Answer:
6 in.
Step-by-step explanation:
Rectangular prism
V = lwh l = 8 W = 3 h = 9
= 8(3)(9)
= 216
Cube
[tex]V = s^{3}[/tex] where s = length of side
216 = [tex]s^{3}[/tex]
[tex]s = \sqrt[3]{216}[/tex] = 6
does anyone know the answer ??
Answer:
I would assume 13
Step-by-step explanation:
It is an isosceles triangle and all the angles are the same, so I think it should be 13. I may be wrong, it has been a while since I did geometry.
Write an expression equivalent to 6 − 2 + 5 + 4 that only has two terms. PLS HELP
Answer:
15 - 2
Step-by-step explanation:
hope this helps :)
Answer:
4 + 9 should be the answer
Step-by-step explanation:
Find the missing length of the right triangle below
Answer:
C = 13
Step-by-step explanation: According to the pythagorean theorem, which states A² + B² = C². This means that in this equation 5²+12²=x². When we solve this we get 169=x². Since 169 is the perfect square of 13 therefore the answer is 13.
7x -2(x-11)=-103
what is x
Answer:
the answer is x=−25
Step-by-step explanation:
hoped I helped:)
Answer:
7x-2x+22=-103
5x. =-103-22
5x =-125
X.=-25
Mhanifa please help fast
Answer:
Q1Angles forming a linear pair are supplementary and sum to 180°
x + 8x = 180°9x = 180°x = 20°The smaller angle is 20°
Q2A(-2, 10) reflected over x-axis
Rule for such a reflection is:
(x, y) → (x, -y)Point A will map to:
(-2, 10) → (-2, -10)Correct option is D
Q3One point is at the origin and two other points are at the distance m horizontally and vertically from the origin
The last point will have same distance m from the point (m, 0) and (0, m) and this will be point:
(m, 0 + m) = (m, m)Look at the system of equations below.
x- 2y = 4
y=4-x
Trevor stated that (4,0) is the solution to the system of equations. Joey stated that (0, -2) is the solution to the system of equations. Which
conclusion is true?
Answer:
Trevor is right
Step-by-step explanation:
The solution of system of equations are [tex](4,0)[/tex]
Therefore, Trevor conclusion is true.
System of equations:Given system of equations;
[tex]x- 2y = 4\\\\y=4-x[/tex]
Substitute value of y from equation (2) in equation (1).
[tex]x-2(4-x)=4\\\\x-8+2x=4\\\\3x=12\\\\\\x=12/3=4[/tex]
Substitute value of x in second equation.
[tex]y=4-x=4-4=0[/tex]
Hence, the solution of system of equations are [tex](4,0)[/tex]
Learn more about the system of equations here:
https://brainly.com/question/13729904
What is the answer????
Cody rented a bike from John's Bikes. It
cost $16 plus $4 per hour. If Cody paid
$24, then he rented the bike for how many
hours?
A rectangular garden has a length that is 4 feet longer than its
width. The entire garden is surrounded by a 1-foot-wide decorative
brick pattern on the ground. Write an expression for the total area
of the garden and decorative brick pattern.
Answer:
(W + 4) = L
W = W
(W + 4) * W
Step-by-step explanation:
PLEASE HELP! WILL GIVE BRAINLIST!
Jimmy wants to keep track of a friends college savings account and use slope intercept form to build a function, y = mx + b. What information will he need to know to accurately keep track of the account and create a function that will give the number of dollars in the account based on the number of months his friend will save money for college?
A. The initial amount of money use to start the account, and use that deposit for B
B. All of the above
C. The amount of money he will save each month, and use that for slips or m
D. The amount of months he will save money for a college, and use that amount of time for x
Answer: here is all the answers for assess it #70: day 122
1. F(x) = 225x + 45
2. F (x)= 7x - 105
3. the function would be a curved line if you were to graph it using intercepts or a simple function table
4. The x-intercept is (10,0)
5. All of the above
What is the equation of the line that passes through the point (-8,5) and has a
slope of - ?
Answer:
Step-by-step explanation:
hello pls help besties (o˘◡˘o)
160 bananas;20%decrease
Answer:
128 banana's... I would work it all out for u but the teacher just came in my room and had a go
Answer: 128
Step-by-step explanation:
Percent (%)' means 'out of one hundred':
p% = p 'out of one hundred',
p% is read p 'percent',
p% = p/100 = p ÷ 100.
20% = 20/100 = 20 ÷ 100 = 0.2.
100% = 100/100 = 100 ÷ 100 = 1.
Is 9 a solution of the inequality 20 − f < 11?
Answer:
no
Step-by-step explanation:
f = 9
20 - 9 = 11
11 < 11 is incorrect
HELP!
6. Which graph represents exponential decay?
А.
B.
C.
D.
1. During an average month, 11,000 babies are born in Pennsylvania. I wonder about the probability that during April 2021 the number of babies born in Pennsylvania will be 10% higher than average. What sort of probability distribution should I use to address that question?
Answer:
3.444
Step-by-step explanation:
3.444
Help me please with this math question
Find the class mark of the class 160- 165
Answer:
the classmark of the class is 162.5
Step-by-step explanation:
The computation of the class mark is shown below:
Given that
160 - 165
So, the class mark of the class is
= (Upper limit + lower limit) ÷ 2
= (160 + 165) ÷ 2
= 162.5
Hence, the classmark of the class is 162.5
Help, The distance between point (2, 2) and point (8, 2) is 6 units on a coordinate plane. Which other pairs of points are also 6 units apart? Select all that apply.
Step-by-step explanation:
Given - The distance between point (2, 2) and point (8, 2) is 6 units on
a coordinate plane.
To find - Which other pairs of points are also 6 units apart?
Proof -
The distance between two points (x₁, y₁), (x₂, y₂) are 6 if and only if either
( x₂ - x₁ = 6 and y₂ = y₁ )or ( x₂ = x₁ and y₂ - y₁ = 6 ).
If either of the conditions is satisfied , then only we can say that the two points has ha distance of 6 units between them.
Now, As given
Let (x₁, y₁) = ( 2, 2) , (x₂, y₂) = (8, 2)
Check whether the conditions are satisfied or not .
Here x₁ = 2 , x₂ = 8, y₁ = 2, y₂ = 2
Now,
x₂ - x₁ = 8 - 2 = 6 , y₂ - y₁ = 2 - 2 = 0
∴ we get
1st condition is satisfied, So the points have a distance of 6 units between them.
Now,
Let us suppose another point (x₁, y₁) = ( 4, 3) , (x₂, y₂) = (3, 3)
Here x₁ = 4 , x₂ = 3, y₁ = 3, y₂ = 3
Now,
x₂ - x₁ = 4 - 3 = 1 , y₂ - y₁ = 3 - 3 = 0
Here neither of the conditions are satisfied.
So the points are not at a distance of 6 units from each other.
please give answer i gives biranlist
Answer:
The answer should be 54, lmk if it works
In triangle RST the vertices have coordinates of R(-1,10),S(5,4)and T (-4,-2). If the midpoints of side RS and RT were connected with a segment, what would the slope of this segment be?
Plz helppp
Answer:
[tex]\frac{2}{3}[/tex]
Step-by-step explanation:
Midpoint of a line segment joining points [tex](x,y)[/tex] and [tex](u,v)[/tex] is given by [tex](\frac{x+u}{2},\frac{y+v}{2} )[/tex]
Points are R(-1,10),S(5,4)and T (-4,-2).
Midpoint of RS = [tex](\frac{-1+5}{2},\frac{10+4}{2} )=(\frac{4}{2},\frac{14}{2} )=(2,7 )[/tex]
Midpoint of RT = [tex](\frac{-1-4}{2},\frac{10-2}{2} )=(\frac{-5}{2},\frac{8}{2} )=(\frac{-5}{2},4)[/tex]
Slope of a line joining points [tex](a,b)[/tex] and [tex](c,d)[/tex] is given by [tex]\frac{d-b}{c-a}[/tex]
Slope of line joining midpoints of side RS and RT = [tex](\frac{4-7}{\frac{-5}{2}-2 })=(\frac{-3}{\frac{-9}{2} })=\frac{2}{3}[/tex]
Solve for "x": 2x + 7 − 5x + 8 = 3(5 + 6x) − 12x
Answer:
0
Step-by-step explanation:
Please help :) i will give brainliest for correct