Answer:
k = 0.16
Step-by-step explanation:
First, use distributive property on the left side:
[tex]0.2(k+2.4)=3.2k\\0.2k+0.48=3.2k\\0.48 = 3k\\k = 0.16[/tex]
Answer:
k = 0.16
Step-by-step explanation:
Use distributive property, meaning individually multiply 0.2 to each number/variable within the parameters
0.2 × k = 0.2k
0.2 × 2.4 = 0.48
0.2k + 0.48 = 3.2k
You cannot add a number and a variable so instead we should isolate the variable
Subtract 0.2k from both sides
0.48 = 3.2k - 0.2k
0.48 = 3.0k
0.48 = 3k
Divide both sides by 3
0.16 = k
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Answer:
Done :)
Step-by-step explanation:
Best of luck!
Mr. Patel bought lunch at a restaurant for $7.35. If he paid with a $10.00 bill, how much change did he get back?
A.
$2.55
B.
$2.65
C.
$3.35
D.
$3.65
Answer:
b. $2.65
Step-by-step explanation:
$10.00 - $7.35 = ?
$10.00 - $7.35 = $2.65
Answer:
your answer would be b. $2.65
A water rocket is launched froni a platform. The height,
h in metres, of the water rocket at time & seconds after
it is launched is h= -212 + 74 + 4. When does the water
rocket hit the ground?
Answer:
4.41seconds later
Step-by-step explanation:
Let the equation of the height reached by the water front be h = -2t^2+7t+4
The water hits the ground at h =0
Substitute
0 = -2t^2+7t+4
-2t^2+7t+4 = 0
2t^2 - 7t - 8 = 0
t = 7±√(-7)²-4(2)(-8)/2(2)
t = 7±√49+64/4
t = 7±√113/4
t = 7±10.63/4
t = 7+10.63/4
t = 17.3/4
t = 4.41s
Hence the water hit the ground 4.41seconda later
Work out, giving your answer in its simplest form:
4/7 divided by 2 1 / 3
Step-by-step explanation:
4/7÷21/3
=4/7*3/21
=12/147
Answer:
[tex]\frac{12}{49}[/tex]
Step-by-step explanation:
Given
[tex]\frac{4}{7}[/tex] ÷ 2 [tex]\frac{1}{3}[/tex] ← change mixed number to improper fraction
= [tex]\frac{4}{7}[/tex] ÷ [tex]\frac{7}{3}[/tex]
To perform the division
Leave the first fraction. change division to multiplication and turn the second fraction upside down.
= [tex]\frac{4}{7}[/tex] × [tex]\frac{3}{7}[/tex] ← multiply numerators/ denominators together
= [tex]\frac{4(3)}{7(7)}[/tex]
= [tex]\frac{12}{49}[/tex]
Lisa had four candy bars . She ate 2 3/8 of the candy bars. How many candy bars does she have left.
Answer:
1 5/8
Step-by-step explanation:
You need to do the subtraction 4 - 2 3/8.
You can use mixed numerals, but you need to borrow and you need a common denominator.
4 - 2 3/8
Since 4 has no fraction part, we borrow 1 from 4 leaving 3. The 1 we borrow becomes a fraction written as 8/8, so we have the same denominator as the fraction 3/8.
Now we have
4 - 2 3/8 =
= 3 8/8 - 2 3/8
Subtract 2 from 3 to get 1.
Subtract 3/8 from 8/8 to get 5/8.
= 1 5/8
You can also set it up vertically as shown below and then subtract the whole numbers and subtract the fractions.
3 8/8
- 2 3/8
------------
1 5/8
Answer: 1 5/8
Pleaseeee help I need a answer fast
Answer:
300
Step-by-step explanation:
im smart
How many kids are there in the US
Answer:
74.2 million children under the age of 18
Step-by-step explanation:
Answer:
74•2 million kids are in the usa
possible number of learners in the
in a village, the bell rings every 30 minutes at the Junior School and every 40
minutes at the High School Both schools start lessons at 8:00 am
At what times between 8.00 am and 2.30p.m do the bells both rring
Find multiples of 30 and 40:
30: 30, 60, 90, 120, 150
40: 40, 80, 120, 160
The least common multiple is 120, so every 120 minutes they willl both ring.
1 hour = 60 minutes:
120/60 = 2 hours.
The bells ring together every 2 hours.
8 + 2 = 10 am
10 + = 12pm
12 + 2 = 2 pm
The bells will ring together at am, 12 pm and 2 pm.
Answer:
Solution :-At first common multiple of 30 an 40
[tex] \sf \to \: 30 = 30,60,90,120[/tex]
[tex] \sf \to \: 40 = 40,80,120[/tex]
Common Multiple = 120
Time taken = 120/60 = 2 hrs
Now,
8.00 + 2 = 10.00 am
10.00 + 2 = 12.00 noon
12.00 + 2 = 2.00 pm
[tex] \\ [/tex]
answer asap!!! PLS HELP.
what is the value of x in the figure??
a. 90
b. 60
c. 120
d. 30
Answer:
Step-by-step explanation:
the x is 30
60=2x
x=30
Answer:
d
Step-by-step explanation:
its d i think
Simplify the expression. 8(s-1)
Answer:
8s-8
Step-by-step explanation:
Use the distributive property: #(a-b) = #*a - #*b. In this case 8s - 8.
Hope it helps!
Answer:
8
−
8
hopes this help
Step-by-step explanation:
8
(
−
1
)
8
−
8
If you place a 13 foot ladder against the top of a 12 foot building, how many feet will the bottom of the ladder be from the bottom of the building?
Sophia learned 10 recipes to create party dishes she learned these recipes in two weeks how many recipes can Sophia learn in five weeks
find the value of X
What are the solutions of the quadratic equation below?
x²-4x-6=0
Answer: x=2±√10 or x=5.16227766
Step-by-step explanation:
Help me please it’s due right now
Answer:
1. -3/2
2. 8
Step-by-step explanation:
Plug the number in with x to find the answer, then solve using PEMDAS as normal.
Which equation shows the same relationship as 4 = 1/5 x 20
choose 1 answer:
A. 4 ÷ 20 = 1/5
B. 20 = 1/5 ÷ 4
C. 20 x 4 = 1/5
Answer:
C. 20 x 4 = 1/5Step-by-step explanation:
Answer:
The answer is C
Step-by-step explanation:
4/20=.02 so its not A
1/5 divided by 4 is .05
So that leaves C
I hope this helps :)
what is the factored form of 5(8 + 3x) + 5?
What is the area of an isosceles triangle with side lengths of 22 and 66
Answer:
726
Step-by-step explanation:
66*22/2=726
Which could be the value of x in the
triangle below?
Answer:
6
Step-by-step explanation:
I'm going to assume that this is a right triangle
which means that
3x²+6²=19²
9x²+36=361
9x²=325
3x=18.0277
x=6
there are 5 red marbles, 7 green marbles, 4 black marbles, and 8 blue marbles in a bag. find green or black
Answer:
11/24
Step-by-step explanation:
Answer:
11/24
Step-by-step explanation:
1. The fare of 12 kg of luggage for a distance of 36km is 24 rupees
How much fare will be charged for a luggage of 18kg for a distance
of 12km?
Answer:
16 rs maybe not sure sry if wrong
Find the mean then the mean absolute deviation (MAD) of the following data set Round your answer to two decimal places if necessary
3, 1, 5, 4, 8,6
If there was a point R(-2, 4) and it was dilated to R'(-8, 16), what was the scale factor? *
Answer:
4
Step-by-step explanation:
The table and equation below show the proportional relationship between time, in seconds, x, and distance traveled, in feet, y, for two remote-control cars Car 1 X |y
15 75
17 85
21 105
Car 2 :y = 10x
Which statement is true about the speeds of the two cars? A )Car 1 is traveling faster than Car 2. B )Car 2 is traveling faster than Car 1. C) The two cars are traveling at the same speed. D) The speeds cannot be compared because there is not enough information about car 2
Answer:
Step-by-step explanation:
Car 2 is traveling faster than Car 1. Option B is correct.
Given that,
The table and equation below show the proportional relationship between time, in seconds, x, and distance traveled, in feet, y, for two remote-control cars.
Speed is defined as when an object is in motion, the distance covered by that object per unit of time is called speed.
here,
Speed of the car 1,
= 85 - 75 / 17 - 15
= 10 / 2
= 5 feet/second
Speed of the car 2,
y = 10x
Where 10 is the speed of the car 2 feet per second.
So,
Speed of the car 2 is faster than car 1.
Thus, Car 2 is traveling faster than Car 1. Option B is correct.
Learn more about speed here:
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4sinA+3cosA=5
help me....
Answer:
4sinA+3cosA=5 look at this answer.sorry if wrong.i am not sure.
Answer:
masamstha 31 deleted account is correct hope it's help you have a great day ☺☺
CAN SOMEONE PLEASE HELP ME!!!
Answer:
2/5, 3/7, and 2/11
Step-by-step explanation:
What is the height of the cone below?
V = 90 cm
B = 18 cm?
5 cm
06 cm
O 15 cm
O 30 cm
Answer:
5cm
Step-by-step explanation:
V = (B*H)
90 = (18 * H)
H = 90 / 18
Find the lateral surface area of the cylinder. Round your answer to the nearest tenth.
Answer:
[tex] = 2\pi \: r \: h \\ 2 \times \pi \times 4 \times 9 \\ = 226 .19 {cm}^{2} [/tex]
Can I have the brainliest please?
Answer:
9 X 4 = 36
Step-by-step explanation:
not really the answer sorry pls dont be mad
john makes $400 per week. What does it mean for him to get a 150% salary raise? Explain in words and then give an example showing a calculation.
plzzzzzzzzzzzzzzzzzzzzzz help me
Answer:
1200
Step-by-step explanation:
400 x 300 because double
How much are you paying in tax on a $95 skateboard if the sales tax is 6%? (Just the tax amount!)
95(6%) = 5.7
you are paying $5.70 cents in tax.
5.70
6% of 95 is 5.7
so its $5.70
