Answer:
d = 1/5t
Step-by-step explanation:
Since it is a direct variation , Let d represent the distance and t represent the time ,then
d ∝ t
introducing the proportionality constant, we have
d = kt
Substituting t = 10 and d = 2 , we have
2 = 10k
k = 1/5
substitute k = 1/5 into the original equation , we have
d = 1/5t
Step-by-step explanation:
The perimeter of the figure below is 35. Find
the missing value.
Answer: 7 feet
Step 1: Add the values of the sides we know the length of.
9 + 9 + 10 = 28.
Step 2: Subtract the number 28 from 35.
35 - 28 = 7
The answer is 7. Hope this helps!
Answer:
35 - 28 = 7
Step-by-step explanation:
7
Thanks bro...
A chocolate factory makes 6060 chocolates in an hour .How many chocolates can it make in a day , if the factory is operational for 13 hours?
I want in step by step please ....
Answer:
78,780
Step-by-step explanation:
Given:
6060 chocolates made per hour13 hours in one dayNumber of chocolates made in 1 day = number of chocs/hr × number of hours
= 6060 × 13
= 78,780
Bob the builder is making 540 kg of concrete mix.
Concrete is made by mixing cement, sand and gravel in the ratio 1:3:5
How much gravel does he need?
Answer:
300 kg
Step-by-step explanation:
Let Constant Ratio be x:
x+3x+5x = 540
9x = 540
x = 60 kg
So, weight of gravel (W) = 5x
5 x 60
W = 300 kg (ANS)
If you help me solve b. I will give you brainlst please fill out the blanks :)
Answer:
for the top, it is 120n-150=45n
The bottom is 75
Step-by-step explanation:
Hope this helps!! ;-)
do the values in the table represent a proportional relationship?
x 2 3 4 5
y 5 6 7 8
Answer:
yes a 1:1 ratio
Step-by-step explanation:
explain what the standard deviation is for a set of data.
Answer:
The Standard Deviation is a measure of how spread out numbers are. You might like to read this simpler page on Standard Deviation first. But here we explain the formulas. The symbol for Standard Deviation is σ (the Greek letter sigma)
Answer:
Shows the variation in data(average of all means of the data)
Step-by-step explanation:
Ok,so, if for example, data is grouped close together, then the standard deviation will be small, if the data is more spread out then the deviation will be larger. How to tell?
Well, it all depends on the distance away from the mean. The center is usally where the mean is. How far from the mean is your data?
How to calculate?
-There are multiple equations you can use depending on your data.
If you are analyzing data which represents a larger set, use sample standard deviation, if you collect data from every member of the set, then use population standard deviation.
First, calculate the mean(average) of each set of data.
Then subtract the deviance(subtract mean from each number -/+)
Square each deviation
add up all squared deviations
Divide the number by one less than the number of items in the data. (If it was 5 it would be 4.)
Then calculate the square root of the resting value.
Write the domain and range of the function using interval notation.
Answer:
D: -12
R:6
Step-by-step explanation:
I hope this right
Solve for x:
4(3x8-x)=4
Step-by-step explanation:
[tex]4\left(3\cdot \:8-x\right)=4[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}4[/tex]
[tex]\frac{4\left(3\cdot \:8-x\right)}{4}=\frac{4}{4}[/tex]
[tex]Simplify[/tex]
[tex]24-x=1[/tex]
[tex]\mathrm{Subtract\:}24\mathrm{\:from\:both\:sides}[/tex]
[tex]24-x-24=1-24[/tex]
[tex]Simplify[/tex]
[tex]-x=-23[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}-1[/tex]
[tex]\frac{-x}{-1}=\frac{-23}{-1}[/tex]
[tex]Simplify[/tex]
[tex]x=23[/tex]
Answer:
[tex]x=23[/tex]
Step-by-step explanation:
[tex]4(3\cdot8-x)=4[/tex]
Divide both sides by 4:
[tex]\implies 3\cdot8-x=1[/tex]
Add x to both sides:
[tex]\implies 3\cdot8=x+1[/tex]
Multiply 3 × 8:
[tex]\implies 24=x+1[/tex]
Subtract 1 from both sides:
[tex]\implies 23=x[/tex]
i dont know how to do this could someone help me?
Answer:
the second one is 2 the third one is 0 the forth one is 5 and the fifth one is 4
Step-by-step explanation:
because there is 1 more white than red in the first one
The perimeter of a rectangle is 14 inches. The equation that represents the perimeter of the rectangle is 2l+2w=14, where l represents the length of the rectangle and w represents the width of the rectangle. Which value is possible for the length of the rectangle?
6 inches
7 inches
8 inches
9 inches
Answer:
6 inches
Step-by-step explanation:
6 inches is the only feasible answer because if the length is 6 inches, you have 6 + 6 which equals 12. This leaves 2 more units for the perimeter so the width would be 1 unit. The other choices could not exist, because 7 x 2 is 14 (no units left for width, and the width of a rectangle cannot be 0), 8 x 2 is 16, and 9 x 2 is 18.
Which lines or segments are parallel? Justify your answer.
Answer:
KR //MT
Since angle JKR and LMT are equal as they are corresponding angle.
The temperature in the morning was -15 degrees. By the afternoon it was 45 degrees. What was the change in temperature?
Answer:
60 degrees
Step-by-step explanation:
Answer:
The answer is 60
Step-by-step explanation:
45-60 = -15
100 points please help me asap!!
Answer:
[tex](x+5)^2=4[/tex]
Step-by-step explanation:
We have:
[tex]x^2+10x+21=0[/tex]
First, subtract 21 from both sides:
[tex]x^2+10x=-21[/tex]
Now, we can complete the square. We will divide the coefficient of the b term and square it. So:
[tex](\frac{b}{2})^2\Rightarrow(\frac{10}{2})^2=(5)^2=25[/tex]
So, we will add 25 to both sides:
[tex](x^2+10+25)=-21+25[/tex]
The left is the perfect square trinomial pattern. Add on the right:
[tex]((x)^2+2(5)(x)+(5)^2)=4[/tex]
Final step:
[tex](x+5)^2=4[/tex]
we need standard units to measure the physical quantity
Answer:
true
Step-by-step explanation:
Marques made a mistake when solving this problem. On what line did he make the error?
Line 1
Line 2
Line 3
Line 4
Line 5
Answer:
B) Line 2
i hope this work for you
and sory if im wrang
calculate the loan for $10,000, at an annual percentage rate of 5%, for a term of 5 years. what is the amount of accrued interest?
PLS ANSWER ASAP!!!!!!!!! I WILL GIVE EXTRA POINTS AND BRAINLIEST FOR THE CORRECT ANSWER!!!
You need to find a Number with 10 digits.
The first digit is divisible by 1
The second digit is divisible by 2
The third digit is divisible by 3
The fourth digit is divisible by 4
The fifth digit is divisible by 5
The sixth digit is divisible by 6
The seventh digit is divisible by 7
The eigth digit is divisible by 8
The ninth digit is divisible by 9
The full number is divisible by 10
Answer:
3816547290
Step-by-step explanation:
this is from a puzzle called notable numbers
Help math math ASAP pelsss
Answer:
y = 3x - 6
Step-by-step explanation:
What you do is you plug both points in for the equation 2 times and solve as a system of equations.
Equation of a line: y = mx + b
(x,y) = (3,3)
(x,y) = (6,12)
3 = 3m + b
12 = 6m + b
Subtract equations to get rid of b to solve for m.
12 - 3 = 6m - 3m + b - b
9 = 3m
m = 3
Plug m back into both equations get b.
3 = 3(3) + b
b = -6
12 = 6(3) + b
b = -6
y = 3x - 6
Answer:
[tex]\displaystyle y = 3x - 6[/tex]
Step-by-step explanation:
First, find the rate of change of the line:
[tex]\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-3 + 12}{-3 + 6} = m \hookrightarrow \frac{9}{3} = m \\ \\ \boxed{3 = m}[/tex]
_______________________________________________
Now plug all the information into the Slope-Intercept Formula. It does not matter which ordered pair is chosen:
[tex]\displaystyle 12 = 3[6] + b \hookrightarrow 12 = 18 + b; -6 = b \\ \\ \boxed{\boxed{y = 3x - 6}} \\ \\ OR \\ \\ 3 = 3[3] + b \hookrightarrow 3 = 9 + b; -6 = b \\ \\ \boxed{\boxed{y = 3x - 6}}[/tex]
I am joyous to assist you at any time.
If Sarah has 20 cookies but 40 friends and 2 are lactose intolerant what should she do to satisfy all of her friends?
Answer: split the cookies in half and throw 1 cookie away
Step-by-step explanation: This question is not too specific so i cannot answer it to my full capacity but if there are 40 and 20 cookies split them and if 2 of those friends cannot eat it you can play a game to see who gets those pieces of cookies or throw them away or eat them yourself.
a person buys a washing machine in the condition that he shall pay sum of INR 5880 at the cash down payment and the same sum at the end of the first year and two years. what is the total interest paid by him in this scheme, if the rate of interest is 5% compounded yearly?
Answer: $827
Step-by-step explanation:
Given that :
Cash down payment = 5880
Payment at end of first year = 5880
Payment at end of second year = 5880
Interest rate = 5% = 0.05 compounded yearly
Let purchase amount = y
Amount left after cash down = amount on which interest is paid = y - 5880
Interest at end of first year :
(y - 5880) * 0.05 = 0.05y - 294
Amount to pay plus interest :
Amount left after cash down payment - amount paid at end of first year + interest
y - 5880 - 5880 + 0.05y - 294
y - 12054 + 0.05y
= 1.05y - 12054
2nd year interest :
(1.05y - 12054) * 0.05
= 0.0525y - 602.7
Amount left + interest = 2nd year payment
(1.05y - 12054) + (0.0525y - 602.7) = 5880
1.1025y - 12656.7 = 5880
1.1025y = 5880 + 12656.7
1.1025y = 18536.7
y = 18536.7 / 1.1025
y = 16813.33
Hence,
Sales price of washing machine = 16813.33
Total amount paid = (5880 + 5880 + 5880) = 17640
Interest paid = $(17640 - 16813.33) = $826.67
= $827
The total interest paid by him in this scheme, if the rate of interest is 5% compounded yearly is INR 826.67
Given:
Down payment = INR 5880
Payment at end of first year = INR 5880 (same as down payment)
Payment at end of second year = INR 5880 (same as down payment)
Interest rate = 5%
= 5/100
= 0.05 compounded yearly
Amount of purchase = x
Amount remaining after down payment
= x - 5880
Interest at end of first year :
(x - 5880) * 0.05(5,880)
= 0.05x - 294
Amount to pay plus interest = Amount remaining after down payment - amount paid at end of first year + interest
= x - 5880 - 5880 + 0.05x - 294
= x - 12,054 + 0.05x
= 1.05x - 12,054
2nd year interest :
(1.05x - 12054) * 0.05
= 0.0525x - 602.7
Amount left + interest = 2nd year payment
(1.05x - 12054) + (0.0525x - 602.7) = 5880
1.1025x - 12656.7 = 5880
1.1025x = 5880 + 12656.7
1.1025x = 18536.7
divide both sides by 1.1025
x = 18536.7 / 1.1025
x = 16,813.33
Therefore, The cost of washing machine b is INR 16,813.33
Total amount paid = (5880 + 5880 + 5880) = INR 17,640
Amount of Interest paid = (17640 - 16813.33)
= INR 826.67
Read More:
https://brainly.com/question/18456266
Given 4x+10=5(x-4)
Prove x=30
Answer:
Step-by-step explanation:
First, we expand the brackets, so we have
4x + 10 = 5x - 20, then we collect like terms to have
5x - 4x = 10 + 20, then we sum them up
x = 30
There you go
How does the graph below change between point A and point B?
Help help math math math
Answer:
y=5x+7
Step-by-step explanation:
y-y₁=m(x-x₁) will be our starting equation
Now input (-2, -3) and 5 as our slope because a parallel line has the same slope.
y-(-3)=5(x-(-2)) Input
y+3=5(x+2) Simplify
y+3=5x+10 Distribute 5 into the parenthesis
y=5x+7 Subtract 3 from both sides
Answer:
y=5x+7
Step-by-step explanation:
y = 14x + -10
y = 7x +-3
Answer:
oops i forgot the answer o well ill just play fortnite
Step-by-step explanation:
Six country music bands and 3 rock bands are signed up to perform at an all-day festival. How many different orders can the bands play in if each band type must play in a row
Answer:
hey do you still need the answer
Step-by-step explanation:
Find the measure of one interior angle of a regular 23-gon.
A. 164.3
B. 160
C. 165.6
D. 161.1
Graph f(x)=−0.25x+4.
Use the line tool and select two points to graph the line.
The file attached is the answer
Answer:
Step-by-step explanation:
Given function to be graphed is,
f(x) = -0.25x + 4
Table for the graph of the given function will be,
x -2 0 2 4 6 8
f(x) 4.5 4 3.5 3 2.5 0
Now we can plot these points on the graph to find a line.
Graph of the linear function will be as the graph attached.
Answer:
Step-by-step explanation:
I took the test
Find the measure of
Answer:
See below.
Step-by-step explanation:
∠D = 180° - 30° = 150°
P = 2(16 + 25) = 2(41) = 82 cm
The correct option is :-
B) ∠D = 150°, P = 82 centimeters, A = 200 square centimeters
y=1.5283e^0.011x when x = 2020
Answer:
This is the answer, and I'm not very sure of it
Solve for x. Choose the best simplified radical answer where applicable. NO LINKS!!
Answer:
d. x = 10 (the correct answer is marked)
Step-by-step explanation:
The Pythagorean theorem tells you the sum of the squares of the sides of a right triangle is the square of the hypotenuse.
x² +4² = (2√29)²
x² +16 = 116 . . . compute the squares
x² = 100 . . . . subtract 16
x = 10 . . . . take the square root
Answer:
d) [tex]\sf x=10[/tex]
Step-by-step explanation:
Pythagoras' Theorem: [tex]\sf a^2+b^2=c^2[/tex]
(where [tex]\sf a[/tex] and [tex]\sf b[/tex] are the legs, and [tex]\sf c[/tex] is the hypotenuse, of a right triangle)
Given:
[tex]\sf a=4[/tex][tex]\sf b=x[/tex][tex]\sf c=2\sqrt{29}[/tex]Substituting these values into the equation and solving for [tex]\sf x[/tex]:
[tex]\sf \implies 4^2+x^2=(2\sqrt{29})^2[/tex]
[tex]\sf \implies 16+x^2=116[/tex]
[tex]\sf \implies x^2=116-16[/tex]
[tex]\sf \implies x^2=100[/tex]
[tex]\sf \implies x=\pm \sqrt{100}[/tex]
[tex]\sf \implies x=\pm10[/tex]
Since distance is positive, [tex]\sf x=10[/tex] only
Therefore, the answer is d) [tex]\sf x=10[/tex].