Answers
Answer:
Step-by-step explanation:
65 ÷ b + 8 x 4 = 20
Putting value of b = 5 in the equation
65 ÷ 5 + 8 x 4 = 20
13 + 8 x 4 = 20
13 + 32 = 20
45 = 20
Bringing like terms on one side
45 - 20 = 25
Answer:
25
Step-by-step explanation:
Replace b for 45 in the equation
65/5+8x4=
According to the rules of PEMDAS (parentheses, exponents, multiplication, division (done in order they are given) addition and subtraction) You have to solve 65/5 first and then 8x4
13+8x4=
13+32-20=25
Related Questions
65+ ? -15=65 Find missing number
Answers
Answer:
65 + 15 - 15 =65
Step-by-step explanation:
pls give brainlist if this was helpful ^^
A car can travel at least 70 miles per hour faster than 4 times the speed of someone walking. Which inequality represents the relationship between the speed of the person walking, m, and the speed of the car, v?
A. v ≥ 560m
B. v ≥ 4 + 70m
C. v ≥ 4m - 70
D. v ≥ 4m + 70
Answers
Answer:
D
Step-by-step explanation:
plz tell me if correct!
and PLZ GIVE BRAINLIEST
Robin can clean 727272 rooms in 666 days.
How many rooms can Robin clean in 999 days?
rooms
Answers
Answer:
1090908 rooms
Step-by-step explanation:
calculator
Answer:
Robin can clean 9828 rooms in 9 days
Step-by-step explanation:
Since Robin can clean 727272 rooms in 666 days, we can find how many rooms she can clean in 1 day by dividing 727272 by 666
number of rooms cleaned by Robin in 1 day = 727272 rooms/666 days = 1092 rooms/day
We can then find how many rooms she can clean in 9 days by multiplying 1092 by 9
1092 rooms/day * 9 days = 9829 rooms
Which equation best represents the relationship
between x and y in the graph?
PLEASE FOR BRAINLSIT!!!!
Answers
When you buy something with a credit card, which one of the following will usually save you money over the long run? A. Paying the entire amount owed each month B. Paying a small portion of the amount owed over a longer period of time C. Paying a small portion of the amount owed each month D. Paying the entire amount owed, but only every other month
Answers
Answer:
A. Paying the entire amount owed each month
Step-by-step explanation:
When we buy something with a credit card option C usually save you money over the long run.
What is credit card?A credit card represents a payment mechanism which facilitates both consumer and commercial business transactions, including purchases and cash advances. A credit card generally operates as a substitute for cash or a check and most often provides an unsecured revolving line of credit.
A. Paying the entire amount owed each month
This option is better when you don't have money and you have to manage it.
B. Paying a small portion of the amount owed over a longer period of time.
this option is not applicable
C. Paying a small portion of the amount owed each month.
This option gives more money savings if there is no interest.
D. Paying the entire amount owed, but only every other month.
This is also a money saving if there is no interest.
Thus when we buy something with a credit card option C usually save you money over the long run.
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The product of 3m and 5r is 15mr True or False Explain...
Answers
Step-by-step explanation:
let's see....
3m × 5r = 15mr
15(m × r)
15mr.
if it helps don't forget to like and mark me down
Which of the following rules best describes the matrix below
a. dilation of scale factor 2
b. reflection over the y-axis
c. reflection over the line y = x
d. translation 1 unit left and 1 unit up
Answers
Answer: D
Step-by-step explanation:
d. translation 1 unit left & 1 unit up
right on edg
if virginia's sales tax rate is 4.3%, what is the total cost of a $34 virgina tech t-shirt?
Answers
Answer:
35.46
Step-by-step explanation:
34 x 1.043=35.46
plz help will give crown
Answers
Answer:
x=8
Step-by-step explanation:
-2(8) would be -16 so -18 is still greater
Answer:
B
Step-by-step explanation:
all the others will have a value of more than -18. Only B makes sense.
Hope this helps! Have a great day
The temperature outside is 10°F. By evening, the temperature has dropped by 15°F. What is the new temperature?
Answers
In a study of the relationship between pet ownership and physical activity in older adults, 586 subjects reported that they owned a pet, while 1931 reported that they did not. Give a 98% confidence interval for the proportion of older adults in this population who are pet owners. Lower limit Incorrect: Your answer is incorrect. Upper limit
Answers
Answer:
Step-by-step explanation:
In a study of the relationship between pet ownership and physical activity in older adults, 586 subjects reported that they owned a pet, while 1931 reported that they did not. Give a 98% confidence interval for the proportion of older adults in this population who are pet owners. Lower limit Incorrect: Your answer is incorrect. Upper limit
p ± z × (1 - p/n)
z = 98%
p = 586/1931
= 0.3034697048
n = 1931
Approximately = 0.3035
Confidence interval =
0.3035 + 2.326 × ( 1 - 0.3035/ 1931)
The length of a rectangle is 3 yards less than 5 times the width. If the perimeter is 102 yards, find the length and the width of the rectangle.
Answers
Answer:
Width = 9 yards, length = 42 yards
Step-by-step explanation:
Perimeter = 2xlength + 2xwidth. Let's call length L and width W. The question also states that L = 5W-3. Therefore, 102 = 2x (5W-3) + 2W. Then, 102 = 12W - 6. 108 = 12W, so W = 9 yards. Since L = 5W - 3, we get 45-3 = 42 yards.
4
Select the correct answer
Erin is taking part in a play at the community theater. The cast and crew ordered T-shirts for all the volunteers. The cost of a T-shirt is $8, and the
total delivery charge is $45 per order. If the center has no more than $325 to buy T-shirts, how many T-shirts can they buy?
Answers
Answer:
The answer is B
Step-by-step explanation:
Someone help plzzzzz
Jack bought an automatic water bottle feeder for his cat. A
diagram of the bottle is shown below. What is the maximum
amount of water that the bottle can hold?
Hon
8.5 in
12.5
I
Answers
The maximum amount of water that the bottle can hold is 2251.77 cubic inches.
What is volume?
A volume is simply defined as the amount of space occupied by any three-dimensional solid. These solids can be a cube, a cuboid, a cone, a cylinder, or a sphere. Different shapes have different volumes.
To find the maximum amount of water that the bottle can hold, we need to find the volume of the bottle.
The bottle is in the shape of a cylinder with a height of 12.5 inches and a radius of 8.5/2 = 4.25 inches.
The volume of a cylinder is given by the formula V = πr²h, where r is the radius and h is the height.
Substituting the values, we get:
V = π(4.25)²(12.5)
V = 2251.77 cubic inches
Therefore, the maximum amount of water that the bottle can hold is 2251.77 cubic inches.
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If a product of three numbers is 3150, two of the numbers are 14,15. Find the third number
Answers
Answer:
15
proof on pic......................
Find an ordered pair (x,y) that is a solution to the equation.
5x+y=6
Answers
Answer:
(0,6) and (1.2 , 0)
Step-by-step explanation:
5x + y = 6
if we take x=0
5(0) + y = 6
y = 6 ; so, one of the solution is (0,6)
if we take y=0
5x + (0) = 6
5x = 6
x = 6/5 = 1.2 ; so, the other solution is (1.2 , 0)
But basically, you can find other solutions of the equation if you do this:
5x + y = 6
5x = (6 - y)
x = (6 - y) / 5 ; so if you use whatever number of y, you will find the rigth solution for x.
and you can do the opposite too:
5x + y = 6
y = 6 -5x ; with this, you can use whatever number of x, and find the right y.
I hope this helps you!!!
What is the distance between the points (4, 9) and (4, 2)? A) 2 B) 5 C) 7 D) 8
Answers
Answer:
The answer is 7
Step-by-step explanation:
I took the test and failed it cuz I put 5. Don't listen to that other dude. So I know what I'm talking about. Just listen to me and you won't fail.
HURRY PLS 7TH GRADE MATH I NEED HELP I HAVE LESS THAN 5 MINS TO DO THIS
Answers
Answer:
35 = 8 + x + x + x + x + x +x
35 = 8 + 6x
6x + 8 = 35
35 - 8 = 6x
Step-by-step explanation:
hope this helps:)
A bike store sells scooters at a 54% markup. If the store bought each scooter for $29.25, what is the resale price to the nearest dollar? Show your work
Answers
9514 1404 393
Answer:
$45
Step-by-step explanation:
The relation is ...
resale price = cost + markup
= cost + 0.54×cost
= 1.54×cost
Then the resale price is ...
resale price = 1.54×29.25 = 45.045 ≈ 45.00
The resale price is $45.00.
Plastic parts manufactured using an injection molding process may exhibit one or more defects, including sinks, scratches, black spots, and son on. Let x represent the number of defects on a single part, and suppose the distribution of x is as follows: x: 0 1 2 3 4 p(x): 0.79 0.09 0.05 0.04 0.03 What is the expected value, E(X), for the number of defects on a randomly selected plastic part
Answers
Answer:
The expected value for the number of defects on a randomly selected plastic part is 0.43.
Step-by-step explanation:
We have the following probability distribution:
P(X = 0) = 0.79
P(X = 1) = 0.09
P(X = 2) = 0.05
P(X = 3) = 0.04
P(X = 4) = 0.03
What is the expected value, E(X), for the number of defects on a randomly selected plastic part?
Each value multiplied by its probability. So
[tex]E(X) = 0.79*0 + 0.09*1 + 0.05*2 + 0.04*3 + 0.03*4 = 0.43[/tex]
The expected value for the number of defects on a randomly selected plastic part is 0.43.
21.79 + x = 25
make sure to do a explanation
Answers
Answer:
x= 3.21
Step-by-step explanation:
25- 21.79= 3.21
the equation equals to 25 so you need to find what x is by subtracting the other value
Hope this helps
A sequence can be generated by using an=12an−1, where n is a whole number greater than or equal to 1.
Given a9=12, what is a10?
5
6
13
24
Answers
Answer:
8, 11, 14, 17
Step-by-step explanation:
For example,
Given: an=2an−1−xan=2an−1−x
a5=99a5=99
a3=27a3=27
a5=2a4−x=2(2a3−x)−x=4a3−3x=99a5=2a4−x=2(2a3−x)−x=4a3−3x=99
4(27)−3x=994(27)−3x=993x=108−99=93x=108−99=9
x=3x=3
Which represents the polynomial written in standard form
Answers
Answer:
The answer is the third option
Step-by-step explanation:
Using the following data set calculate the mean 9,14,14,9,20,6,8,19,17,13,9
Answers
Answer:
12.54
Step-by-step explanation:
When finding the mean, first you add all the numbers in the data:
9+14+14+9+20+6+8+19+17+13+9=138
And then you divide it by the following numbers in the set. In this data set, since there are 11 numbers, you would divide 138 by 11.
138\11=12.5454545
So the answer would be 12.54 if your rounding to the nearest hundred. If your rounding it by a whole number, it would be 13.
the real zeros of √(x-1)+x+1
Answers
-0.5
0
1
-2
1.5
Where is Point D on the number line?
?
Answers
Answer:
Its -1.9 for where point D is
Which value of x will make these ratios equivalent
24/42=4/x
A.19
B.15
C.7
D.5
Answers
10. What is the measure of ZP?*
E
(15m + 17)º
-Q
(4m – 10)
P
(7m - 9)
Answers
Answer:
m∡P = 40°
Step-by-step explanation:
15m + 17 + 4m - 10 + 7m - 9 = 180
26m - 2 = 180
26m = 182
m = 7
∡P = 7(7) - 9 = 49 - 9 = 40
At the beginning of the week, the temperature was 15. During the week, it decreased by 20. What was the temperature by the end of the week? What is the percent Change of the weekly temperature? Show work
Answers
Answer:
Initial temperature = 15Decrease during the week = 20Temperature by the end of the week:
15 - 20 = -5Change is 20
Percent change is:
20/15*100% = 133.33%5(x+8)
Help please!!!!!!!!!!!!!!!!!!
Answers
Answer:
5x+40
Step-by-step explanation:
You would distribute 5 to x+8 and that would add up to 5x+40.
Answer:
Step-by-step explanation:
5x+40