Answer:
Year 0 is represent the year that Gabe was born
Step-by-step explanation:
Gabe is mapping out important family events. He uses negative numbers to represent time before he was born and positive numbers to represent time after he was born. For example, Gabe's mom was given a special coin in year -20, and Gabe's sister was born in year 5. What does year 0 represent?
Answer: Positive numbers represent things that happen after Gabe was born while negative numbers represent things that happened before Gabe was born. The first example in the question meant that Gabe's mom was given a special coin 20 years before he was born while the second example in the question meant that Gabe's sister was born 5 years after he was born.
Year 0 is represent the year that Gabe was born.
Sharika can finish the work in 6 days and Palkey can do the same work in 8 days. They both worked together for for 2 days then Palkey left the work. How many days will Sharika take to finish the remainig work.
Answer:
Sharika needs 2.5 days to finish the remaining work
Step-by-step explanation:
Sharika can do a work in 6 days palkey can do it in 8 days
Then the amount of work sharika can do in 1 day = 1/6
And the amount of work palkey can do in 1 day = 1/8
The amount of work both of them can do together in 1 day = 1/6 + 1/8
= 7/24
The amount of work both of them can do together in 2 day = (2× 7/24)
= 7/12
Since Palkey left the work,the amount of
work remaining for Sharika to do alone = (1 - 7/12 )
= 5/12
The number of days Sharika take to finish the remainig work. = (5/12 ÷ 1/6 )
= 5/2 days
Therefore, Sharika needs 2.5 days to finish the remaining work.
Brenden runs six times a week for thirty minutes and lifts three times a week for twenty minutes. Write a mathematical expression for the number of hours Brenden works out in a week.
Answer:
H= x(6)+ y(6)Step-by-step explanation:
Let the number of hours for running be x
And the number of hours for lifts be y
Let the total hours for work out be H
Given that
x= 30 min* 6= 180 min =3 hours
y= 20 min *6 =120 min= 2 hours
H= 30(6)+ 20(6)
H= 180+120
H= 3+2
H= 5 hours of work out for the week
Multiply 546.1 x 0.52 =
Answer:
283.972
Step-by-step explanation:
i just know
Answer: 283.972
Step-by-step explanation: You have to use long multiplication to evaluate the equation.
I hope this helps you out.
if m and n vary directly and m=3 when n=2, what is the value of m when n=4
no
Answer:
m = 6
Step-by-step explanation:
We know that m and n vary directly and that m = 3 when n = 2. How would we find m when n = 4? For starters, we can see that the value of n doubled (we know this because 2 doubled is 4), and since m and n vary directly, when n doubles, so does m so the answer is m = 3 * 2 = 6.
Ten children measured how high they could jump. The results they recorded, in inches, were as follows: 8, 9, 8, 6, 8, 12, 9, 10, 11, 16 What is the median of these measures?
A. 8 in.
B. 9 in.
C. 9.5 in.
D. 10 in.
E. None correct
Answer:
b) 9 in
Step-by-step explanation:
To find median arrange the data in ascending order and count the number of data's. if the total number of data is odd number, then (n/2)th term is the median.
If the total number of data is even, then Average of (n/2)th term and (n/2)+1 th term is the median
Ascending order:
6, 8, 8 , 8 , 9 , 9 , 10 , 11 , 12 , 16
total = 10. so even number
Median = average of 5th term and 6th term
=(9+9)/2
= 18/2
= 9
If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15
Answer:
15
Step-by-step explanation:
The value of f(x) when x = -5 is 15
How to determine the valueFrom the equation
f(x) = 5x + 40
Substitute the value of x = -5
We have,
f(x) = 5(-5) + 4=
f(x) = -25 + 40
f(x) = 15
Therefore, the value of f(x) when x = -5 is 15
Learn more about functions here:
https://brainly.com/question/4025726
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Which expression is equivalent to –2(5x – 0.75)? 10x – 0.75 10x + 0.75 –10x – 1.5 –10x + 1.5
Answer:
D
Step-by-step explanation:
i got it right
Answer: D -_-
Step-by-step explanation: Because its on edge
URGENT I NEED HELP PLEASE !!
Answer:
29[tex]\sqrt{5}[/tex]
Step-by-step explanation:
11[tex]\sqrt{9*5}[/tex] - 4[tex]\sqrt{5}[/tex]
Take nine out - square root of 9 is 3
= 3 x 11 [tex]\sqrt{5}[/tex] - 4[tex]\sqrt{5}[/tex]
= 33[tex]\sqrt{5}[/tex] - 4[tex]\sqrt{5}[/tex]
= 29[tex]\sqrt{5}[/tex]
can not be simplified any more
Hope that helped!!! k
The length of a rectangle is 7 inches less than its width. The perimeter of the
rectangle is 54 inches. Find the length and the width of the rectangle. Explain your
reasoning.
Answer:
8 in.
Step-by-step explanation:
Perimeter of a rectangle, P = 2(L + W)
Value of P = 46.
Length is 7 inches less than the width. This translates to L = W - 7
Substitute L = W - 7 into the perimeter equation, you get
46 = 2(W - 7 + W)
46 = 2(2W - 7)
46 = 4W - 14
4W = 60
W = 60 / 4 = 15 in
L = W - 7 = 15 - 7 = 8 in
The width and length of the rectangle in inches are 17 and 10 respectively.
What is perimeter ?Perimeter is the sum of the lengths of all the sides of a given plane figure.
According to the given question the length of a rectangle is 7 inches less than its width.
Assuming the width of the rectangle is x inches.
∴ From the given data length of the rectangle is ( x - 7) inches.
Given perimeter is 54 inches.
We know perimeter of a rectangle is 2( length + breadth).
∴ 2{ x + ( x - 7) } = 54.
2 { 2x - 7 } = 54
4x - 14 = 54
4x = 54 + 14
4x = 68
x = 17.
So, the width of the rectangle is 17 inches and length of the rectangle is (17 - 7) inches which is 10 inches.
learn more about perimeter here :
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What is the quotient property of exponents?
Answer:
when you divide powers with the same base, you can just subtract the exponents
a rectangular prism is 12 cm long 6 cm wide and 5cm high what's the volume of the rectangular prism
Answer:
360
Step-by-step explanation:
rectangular prism volume = Width * Length * Height
Width = 5
Length = 12
Height = 6
volume = 360
The volume of the rectangular prism is of 360 cubic centimetres.
------------------------------
The volume of a rectangular prism with length l, width w and height h is given by:
[tex]V = lwh[/tex]
------------------------------
In this problem:
12cm long means that [tex]l = 12[/tex]6 cm wide means that [tex]w = 6[/tex]5 cm high means that [tex]h = 5[/tex].Thus, the volume, in cubic centimetres, is of:
[tex]V = 12 \times 6 \times 5 = 360[/tex]
A similar problem is given at https://brainly.com/question/23756783
Complete the square to solve the equation below.
Check all that apply.
x2 + 8x-1 = 19
O A. x= -10
O B. X= -2
O C. X=-3
O D. X = 2
Answer: X= -10, and X=2
Step-by-step explanation:
Answer:
X=-10 and x=2
Step-by-step explanation: so the answers would be A. And D.
write down the unit digit for each of the following square first 78 pawer 2
Answer:
4
Step-by-step explanation:
Since 78² then 8² = 64 which indicates 4 is the unit digit
Pleaseeee solve this math for me I reallyyyy neeed help
Pleaseee
Any wrong answer I’ll report
Answer:
see explanation
Step-by-step explanation:
Given that z² is directly proportional to w then the equation relating them is
z² = kw ← k is the constant of proportion
To find k use the condition z = 4 when w = 8, thus
4² = 8k
16 = 8k ( divide both sides by 8 )
2 = k
(i)
z² = 2w ← equation of proportion
(ii)
When w = 18, then
z² = 2 × 18 = 36 ( take the square root of both sides )
z = [tex]\sqrt{36}[/tex] = 6
(iii)
When z = 5 , then
5² = 2w
25 = 2w ( divide both sides by 2 )
w = 12.5
solve for q 3(q+4/3)=2
Answer: Q= -0.6 or -2/3
Step-by-step explanation:
cos a cosec a Vseca - 1 = 1
Answer:yes 1 =-1
Step-by-step explanation:
Gray gob you are correct
In its first year a manufacturer had a financial loss of 3,000 in its second year the manufacturer had a financial loss of 500 How much greater in dollars was the financial loss in the first year than the financial loss in the second year
Answer:
[tex]D = \$2500[/tex]
Step-by-step explanation:
Given
Represent the financial los s in the first year as F1 and the second year as F2
[tex]F_1 = \$3000[/tex]
[tex]F_2 = \$500[/tex]
Required
How much is greater is F1 than F2
What this question implies is that; the difference between both finan cial losses be calculated;
Represent the difference with D
[tex]D = F_2 - F_1[/tex]
Substitute values for F1 than F2
[tex]D = \$3000 - \$500[/tex]
[tex]D = \$2500[/tex]
Hence, the calculated difference is $2500
determine the domain and range of the following function. Record your answers in set notation. Can someone explain this to me? I can't understand any of it.
Answer:
The answer is D.
Step-by-step explanation:
The domain are the x-values and the range are the y-values. The open circle on the graph is stating that that specific point is not included in the line, so that means that the point (-2,-5) is not included. In words, the answer means the domain or x=all real numbers not including -2 and the range or y=all real numbers not including -5. Hope it helps
The four angles in a quadrilateral are in the ratio 2:5:6:7. Find the smallest angle in the quadrilateral?
Answer:
36
Step-by-step explanation:
Quadrilateral's angels always add up to 360. Thus, 2x+5x+6x+7x=360
20x=360 (divide both sides by 20)
x = 18
To find the smallest angle, plugin x into 2x.
2(18)=36
if we represent the length of a line by a, how may we represent the length of a line that is 3 inches shorter. If the combined length of the two lines is 15 inches, what is the length of each line?
Answer:
The lines' lengths are: 8 inches and 5 inches.
Step-by-step explanation:
Calling "a" the length of the line, a line that is 3 inches shorter can be written in math terms as:
a - 3
If the combined (added) length of these two lines is 15 inches, then we can write:
a + (a - 3) = 15
a + a - 3 = 15
2 a - 3 = 15
2 a = 15 + 3
2 a = 18
then
a = 18/2 = 9
Therefore, the length of one line is 8 inches, and the length of the shorter line is:
8 - 3 = 5 inches
The graph of y = f(x) is shown below. Find the value of f(5)
Answer:
5
Step-by-step explanation:
WHen f(x) = f(5)
x=5
therefore y = 5
Hope that helped!!! k
Answer:
5
Step-by-step explanation:
Asking for f(5) is the same as asking for the value of f(x) when x = 5.
So we're looking for the y-value our graph gives when x = 5.
Find 5 on the x-axis and trace the line up to the graph, and then left to find the y-value. Here, it happens to be 5.
PLEASE HELPPP! Write the quotient
as a mixed number.
32 divided by 5 = 6 R2
Answer:
[tex]6 \frac{2}{5} [/tex]
Step-by-step explanation:
6 is the whole number, while 2 is the numerator and 5 is the denominator.
A length of glass tubing is 10 cm long. What is its length in inches to the nearest inch? in.
Answer:
4 inches
Step-by-step explanation:
on egde 2020
A 11 L solution that was 25 % vinegar was mixed with a 12 L solution that was 67 % vinegar. Find the new concentration of vinegar.
Answer:
46.91%
Step-by-step explanation:
The first solution contains 11 * 0.25 = 2.75 L of vinegar
The second solution contains 12 * 0.67 = 8.04 L of vinegar
When mixed together, that adds up to 8.04 + 2.75 = 10.79 L of vinegar
The total volume of the combined solutions is 11 + 12 = 23 L of solution
So the new concentration is 10.79/23 ≈ 0.4691 ≈ 46.91%
The number of customers to visit a local small businesses 51,200 and has been continuously declining at a rate of 3.8 each year what is the approximate number of customers that visit the business in 14 years
Answer:
=30076 customers
Step-by-step explanation:
Number of customer= 51,200
rate of declination=3.8 %= 0.038
We will use the expresion below in calculating the approximate number of customers that visit the business in 14 years.
A=Pe^(rt)
Where P=initial amt,
r=annual rate of growth or decline,
A=amount after t years.
37800=Pe^.017t
51200=Pe^0.038
P= 51200/e^(0.038*14)
But e^(0.038*14)= 1.7023
P= 51200/1.7023
P=30076
Approximate number of customers that visit the business in 14 years≈30076
due today! PLEASE help! Find the value of x. A. 15 B. 28 C. 20 D. 40
Answer:
A- 15
Step-by-step explanation:
I think option no a is answer
I WILL GIVE BRAINLEST Order the numbers from least to greatest. 1=least and 4=greatest sq root of 9 over 4, sq root of 5, 2.5, or 5 over 3
help me because i need help
Answer: c
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
To help understand how to solve this, try using a number line. You start at negative 5 and move 40 to the right. Whenever you add a positive you move to the right, and when you add a negative you move to the left!
A customer brings a box with a mix of integers as inputs to a function machine. She wants you to program a function machine so that the output is always negative. Your manager suggests -x/2 - 10 . Did the manager make a good suggestion? Are there any inputs that will not meet the customer’s needs? Explain.
Answer:
The manager did not make a good suggestion.
Any values of x that are less than or equal to -20 will result in a non-negative output and will not meet the customer's needs.
A city currently has 60 family-owned restaurants. In the future, it is estimated that the number of those restaurants will decline at a rat of 18% per year. Based on that estimate, what is the fewest number of years it will take for there to be less than 20 family-owned restaurants in the city? A.1 B. 3 C. 4 D. 6
The correct answer is D. 6
Explanation:
To know precisely how the number of restaurants in the city decreases over time, it is necessary to determine the 18% of the total of restaurants each year and to subtract this number. The process year per year is shown below:
First-year- 60 restaurants- Find the percentage by writing the known value and using cross multiplication
[tex]60 = 100[/tex] %
[tex]x = 18[/tex]%
[tex]x 100 = 60 x 18[/tex]
[tex]x = \frac{1080}{100}[/tex]
[tex]x = 10.8[/tex] Number of restaurants that were closed
[tex]60-10.8 = 49.2[/tex] New total
Second-year - 49.2 restaurants- Repeat te process
[tex]x = \frac{49.2x 18}{100}[/tex] Shortened version of the equation. Total of restaurants, multiplied by percentage and divided into 100 (total percentage)
[tex]x = 8.8[/tex]
[tex]49.2 - 8.8 = 40.4[/tex] New total
Third-year- 40.4 restaurants
[tex]x = \frac{40.4 x 18}{100}[/tex]
[tex]x = 7.2[/tex]
[tex]40.4-7.2 = 33.2[/tex] New total
Fourth-year- 33.2 restaurants
[tex]x = \frac{33.2x 18}{100}[/tex]
[tex]x = 6.3[/tex]
[tex]33.2- 6.3= 26.9[/tex] New total
Fifth-year- 26.9 restaurants
[tex]x = \frac{26.9 x 18}{100}[/tex]
[tex]x = 4.8[/tex]
[tex]26.9-4.8 = 22.1[/tex] New total
Sixth-year- 22.1 restaurants
[tex]x = \frac{22.1x 18}{100}[/tex]
[tex]x= 3.96[/tex]
[tex]22.1-3.9 = 18.1[/tex]
According to this at this rate, it will take at least 6 years for the number of restaurants to be below 20.