Answer:x=2
Step-by-step explanation: 2x-4=0
2x-4=0
+4 +4
2x=4
2x/2=4/2
X=2
Five friends agree to save money for a graduation road trip. They decide that
each of them will put $0.25 in the fund on the first day of May, $0.50 on the
second day, $0.75 on the third day, and so on. At the end of May, there will be
$_ in their fund. (Hint: There are 31 days in May.)
Answer:
$620
Step-by-step explanation:
First you have to figure out the amount one of them would add which is $124. You would do this by adding .25+.50+.75+1 ect. Then once you know how much one of them would add you do 124(5) and get $620.
A 943-foot tree has grown at a constant rate each year. In the equation below, t is the age of the three in years.
23t=943
what is the unit rate in the equation above?
A. 943 feet per year
B. 41 feet per year
C. 920 feet per year
D. 23 feet per year
Answer:
B. 41 feet per year
Step-by-step explanation:
943/23= 41
Total feet / coefficient= feet per year
help me with my math work really appreciate
If the two lines below are perpendicular and the slope of the red line is - 5/2
what is the slope of the green line?
Answer:
B
Step-by-step explanation:
Which expression can be used to find the total number of marbles in 2 bags if there
are 9 marbles per bag?
Help pls
the total number of marbles in 2 bags is 18.
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
here, we have,
there are 9 marbles per bag.
the total number of marbles in 2 bags
=2*9
=18
hence, the total number of marbles in 2 bags is 18.
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Estimate the percent
r% of 5 is 14
Look at the attached picture
Hope it will help you
Good luck on your assignment
Answer:
[tex]r = 280\%[/tex]
Step-by-step explanation:
[tex]r\% \times 5 = 14 \\ \frac{r}{100} \times 5 = 14 \\ \frac{5r}{100} = 14 \\ r = \frac{14 \times 100}{5} \\ r = 280\%[/tex]
hope this helps
brainliest appreciated
good luck! have a nice day!
find the volume of a cone with a base diameter of 8 yd and a height of 9 yd
use the value 3. 14 for pie and do not do any rounding
Answer:
V = 150.72 yd³
Step-by-step explanation:
To find the volume, we will need to use the formula [tex]V = \frac{1}{3}bh[/tex]
To find the base, we will need to use the volume of a circle, which is [tex]A = \pi r^{2}[/tex].
If the diameter is 8, the radius is half which is equivalent to 4. Put this into the equation:
A = π4²
A = 16π ≈ 50.24.
Now, use this in the Volume of a Pyramid formula:
V = 1/3 (50.24 ·9)
V = 150.72 yd³
The area of a circle of radius 10 units is equal to the surface area of a sph
of radius 5 units.
Answer:
it is 15
Step-by-step explanation:
b)work out the probably that the number is in the set AnB
Answer:
26
Step-by-step explanation:
because number 26 is in the both sets
The probability it will rain tomorrow is 20%. which word or words best describes the likelihood of it raining tomorrow?
Answer:
There is a 20% likelihood of it raining tomorrow.
Step-by-step explanation:
The graph represents this system of equations.
What is the solution to the system of equations?
y=4
v=3 -
(-2,4)
(3, 4)
(4, -2)
O (4,3)
2
1
-54
3
-2
-1
2
3
4
5
-3
4
Answer:
(- 2, 4 )
Step-by-step explanation:
The solution to a system of equations given graphically is the point of intersection of the 2 lines.
The point of intersection is (- 2, 4 )
Thus the solution is (- 2, 4 )
Answer:
(-2,4)
Step-by-step explanation:
edg. 2020
Please, if I get this wrong I fail please help me, it will mean a lot to me
Answer:
x = 58°
Step-by-step explanation:
First, we need to find the green angle on the bottom left of the triangle.
We know that straight lines are supplementary, or equal 180 degrees, so we can say that 114° + a (a variable representing the measure of the angle) = 180°.
Equation:
114 + a = 180
Solve:
114 + a = 180
-114 -114
a = 66
Therefore, the value of the green angle is 66 degrees.
Now, we need to find the value of angle x.
We know that the sum of the angles in a triangle is 180 degrees.
So, 56° + 66° + x = 180°
Equation:
56 + 66 + x = 180
Add:
56 + 66 + x = 180
122 + x = 180
Subtract:
122 + x = 180
-122 -122
x = 58
Therefore, x is 58 degrees.
Answer:
58
Step-by-step explanation:
An exterior angle is equal to the two remote interior angles. It would be easier to understand that just by adding the numbers in an equation.
Exterior angle = 114
Remote interior angles = x and 56
exterior angle = sum of x and 56 which are the two remote interior angles.
x + 56 = 114 Subtract 56 from both sides.
x+56-56=114-56
x = 58
Can someone please help me out?
Answer:
36 or b
Step-by-step explanation:
6x3x3
Answer:
For Volume: 54ft^3
For Surface Area: D. 90ft^2
Step-by-step explanation:
Volume formula of rectangular prism: V = L * W * H
By replacing the variables with the given numbers we get the following:
V = 3ft * 3 ft * 6 ft
By multiplying, we get 54ft^3.
Surface Area formula of rectangular prism: SA = 2 (L*W + L*H + W*H)
By replacing the variables with the given numbers we get the following:
SA = 2 (3*3 + 3*6 + 3*6)
By multiplying, we get:
SA = 2 (9 + 18 + 18)
We add the numbers inside the parenthesis, then we multiply by two to get the following:
SA = 90 ft^2
in bowling you get a spare when you knock down the ten pins in two throws. how many possible ways are there to get a spare?
Answer:
There are 9 ways to get a spare
1 and 9
2 and 8
3 and 7
4 and 6
5 and 5
6 and 4
7 and 3
8 and 2
9 and 1
Step-by-step explanation:
what problem could happen if judges only used whole numbers instead of decimals to keep scores? What problems might arise?
what is the length of the radius in circle C
Money that is collecting interest in a bank account doubles in value every 10 years.
When the account was opened, it had 16, or 2 to the power of 4, dollars in it. After 50 years, the account balance has doubled 5 times, increasing by a factor of 2 to the 5th power.
It now has a balance of 2 to the 4th power x 2 to the 5th power. Expressed as a power, how much money, in dollars, is in the account after 50 years?
A. 4 to the power of 9
B. 2 to the power of 20
C. 2 to the power of 9
D. 2 to the power of 5
CAN SOMEONE PLEASE HELP ME!!!!!!!
Blake made a rectangle table for his dining room. The sides are 12Feet and 4 feetWhat is the Length of the diagonal table
Step-by-step explanation:
the diagonal of the table is 12.65. hope it helps
The point (2, -1) is on the line 2x + y = 5.
Answer:
No
Step-by-step explanation:
Substitute by x = 2 and y = - 1
You will get 2*2 + (-1) = 3 not 5
Then it doesn't lie
what is the equation for m/4+8=10
Answer:
M=8
y=mx+b
so y=8x+b
Step-by-step explanation:
If you had 1,100 blue berry's and 3 people took 61 each how many would you have left?
Answer:
917.
Step-by-step explanation:
I'm 100% sure because 1,00-61-61-61=917.
Hope this helped lots and lots,
sincerely, me
What is the mode of the following numbers?
67, 76, 67, 76, 67, 23, 32, 23, 32
0
Answer:
67
Step-by-step explanation:
67, 76, 67, 76, 67, 23, 32, 23, 32 ,0
Put the numbers in order from smallest to largest
0,23, 23, 32,32, 67, 67, 67, 76, 76,
The mode is the number that appears most often
67 appears 3 times so it is the mode
This is hard........ help please?
Answer: C.
There are 215 total students in the band.
There are 27 seniors in the band.
The probability is found by dividing the number of seniors in the band by the TOTAL number of students in the band.
P(S|B) = 27/215 = 0.1255813953
You have to round off the answer too the nearest tenth.
P(S|B) = 0.13
WHICH OF THE FOLLOWING VARIABLES ( WRITTEN IN BOLD) HAVE A PROPORTIONAL RELATIONSHIP????
Answer:
a
Step-by-step explanation:
ur basically just saying that uts increasing by the same amount when one variable in the equation changes
will make bianleast no picture
Which of the following side lengths can form a triangle?
23, 28, and 55
24, 24, and 47
15, 30, and 45
8, 17, and 25
Answer: 24, 24, 47
Step-by-step explanation:
In order to form a triangle, the sum of two sides must be GREATER than the third side for all combinations.
a + b > c & a + c > b & b + c > a
23 + 28 = 51 which is NOT greater than 55
15 + 30 = 45 which is NOT greater than 45
8 + 17 = 25 which is NOT greater than 25
24 + 24 > 47 & 24 + 47 > 24 & 24 + 24 > 27
all combinations are true so these side lengths can form a triangle
Which ordered pair cannot be a solution of h(t)=-16^2+80t If h is the height of a ball above ground after t seconds?
Answer:
NON of them can be a solution.
Step-by-step explanation:
When I plugged them in to the equation they all came out false.
Answer:
It seems that this question would make more sense if it were: Which ordered pair can be a solution of [tex]h(t)=-16^2+80t[/tex]
All alternatives but B) cannot be a solution for the function.
Step-by-step explanation:
Here we have [tex]t=x[/tex]
So, we may write the funtion as: [tex]h(x)=-16^2+80x[/tex]
[tex]h(x)=y[/tex]
Let's test all the points:
A)[tex](1, 64)[/tex]
[tex]h(1)=-16^2+80(1)\\h(1)=-256+80\\h(1)=-176[/tex]
B)[tex](2, 96)[/tex]
[tex]h(2)=-16^2+80(2)\\h(2)=-256+160\\h(2)=96[/tex]
C) [tex](-4, 256)[/tex]
[tex]h(-4)=-16^2+80(-4)\\h(-4)=-256-320\\h(-4)=-576[/tex]
D)[tex](5, 0)[/tex]
[tex]h(5)=-16^2+80(5)\\h(5)=144[/tex]
What is the area of the square?
A square has side lengths of 10.6 yards.
21.2 yd2
36 yd2
42.4 yd2
112.36 yd2
A square has side lengths of 10.6 yards. So, the area of a square would be equal to 112.36 yd sq.
What is the area of a square?The area of a square can be calculated as the square of the sides of a given figure.
The area of a square = side x side
We have given information as
A square has side lengths of 10.6 yards.
And since it is a square, all sides are equal.
The area of a square = side x side
[tex]10.6 \times 10.6\\\\112.36\: yd^2[/tex]
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Liz was testing Jane on solving with equations. She gave Jane the
following problem:
“I am a number such that when you divide me by 7, and then, add 13
you get 32. What number am I?”
Write and solve an equation to determine Liz's number.
Answer:
x/7+13=32
Step-by-step explanation:
work backward so subtract 13 from 32 and get 19 multiply it by 7 and get 133, to make sure your answers right just substitute 133 back into the equation
2. Evaluate x(-y + z) for x = -1, y = 2, and z = 5.
A 7
B 3
C-7
D-3
The perimeter of a rectangular photograph is 28 inches. If the width of the photo is 5 inches, how tall is the photo?
Answer:
it is 9 inches tall
Step-by-step explanation:
p=2L + 2W
28=2L + 2 x 5
28=2L +10
28-10=2L
18=2L
L=9
Answer:
9 inches.
Step-by-step explanation:
Since the width of the rectangle is 5 inches, We have to times it by 2 which is 10.
Then deduct it from the perimeter of 28, which equals to 18. We have to divide it by 2 so we can find out how tall each side is. 18 divided by 2=9.
Hope that helps.