Answer:
1/2
Step-by-step explanation:
1 hour=60 minutes
2 hours=120 minutes
60/120=1/2
hope you got it
If you have any problem just ask me
If you think this is the best answer please mark me as brainliest
After 1 hour, Yao had completed 25% (1/4) of the 2-hour Mathematics paper.
In order to understand the fraction of time Yao had spent on the Mathematics paper after 1 hour, let's break down the problem. Yao was given a 2-hour Mathematics paper to complete, and he answered 5 questions in the first hour.
Now, let's calculate the fraction of time that had passed. To do this, we can set up a ratio of the time Yao had spent to the total time available. The time Yao spent is 1 hour, and the total time available is 2 hours. So the fraction of time that had gone can be represented as:
= Time spent / Total time
= 1 hour / 2 hours
= 1/2
Therefore, after 1 hour, Yao had completed half of the allotted time. However, we are asked to express this fraction in terms of questions answered. Yao had answered 5 questions out of a total of 20 questions.
To express the fraction of time in terms of questions answered, we can set up another ratio. The questions Yao answered is 5, and the total number of questions is 20. So the fraction of time that had gone can be represented as:
= Questions answered / Total questions
= 5 questions / 20 questions
= 1/4
Hence, after 1 hour, Yao had completed 1/4 of the total questions in the Mathematics paper. This means he still had 3/4 (or 75%) of the questions to complete in the remaining hour.
To know more about Fraction here
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PLEASE HELP!!
Solve the equation for y
-3y+2x=5y-8
A)y=2x+1
b)1 [tex]\frac{1}{4}[/tex]x+1
c) y=-[tex]\frac{1}{4}[/tex]x+8
Answer:
[tex] \leadsto make \: y \: subject \\ - 3y + 2x = 5y - 8 \\ - 3y - 5y = - 2x - 8 \\ y( - 3 - 5) = - 2x - 8 \\ - 8y = - 2x - 8[/tex]
divide through out by -8 :
[tex]{ \boxed{ \boxed{y = \frac{1}{4} x + 1}}}[/tex]
Answer is b
Answer:
b
Step-by-step explanation:
5(w + 4 x 10^3)= 6 x 10^4
Answer:
w = 8000
Step-by-step explanation:
5(w+4*10^3) = 6(10^4)
5(w+4*1000) = 6(10000)
5(w+4000) = 60000
5w + 20000 = 60000
5w = 40000
w = 8000
algebra! need help!
a mechanic repairs mr. estes' car. the amount for parts is $48.00 and the rate for the mechanic is $40.00 per hour. write and solve an equation to find the total cost of repairs to mr. estes' car if the mechanic works for 1.5 hours
Step-by-step explanation:
Total cost of repairs = the amount for parts + (40 × repair hours)
the amount of parts = y
the hours = x
Total cost = y + 40x
= 48 + (40 × 1.5)
= 48 + 60 = 108 $
Find the value of x and y
Answer:
x = 10 and y = 15
Step-by-step explanation:
The arrows on lines AB and CD indicate that they are parallel. This means that we have to look for Z-angles (I don't know if they are called the same where you're from but I hope you recognise the term). This means that ∠ABC = ∠BCD
5x - 20° = x + 20°
4x = 40°
x = 10°, which gives us the first answer.
The angle formed by points ACE (a straight line) is 180 degrees. Lets refer to this as angle ACE. We also know this angle consists of angle ACB, BCD and DCE. This gives us the following equation:
angle ACE = angle ACB + x + 20° + y + 20° = 180°
angle ACB + x + y + 40° = 180°
angle ACB = -x - y + 140°
Inserting the x we found earlier this gives
∠ACB = - y + 130°
Now we can find a second equation to describe ACB by looking at the triangle it is inside. The angles in a triangle always add up to 180°, giving the following expression:
4y - 25° + 5x - 20° + ∠ACB = 180°
Substituting x again gives
4y - 25° + 50° - 20° + ACB = 180°
ACB = 180 - 4y - 5° = 175° -4y
Combining the two expressions for ACB gives the final equation to solve:
175° - 4y = -y + 130°
-3y = -45
y = 15
If you have any questions still feel free to reach out!
1. algebraic expression
a letter or symbol used to represent an unknown
2. coefficient
a mathematical phrase that cannot be determined true or false
3. constant
a numerical value
4. expression
a mathematical expression containing one or more variables
5. variable
the constant preceding the variables in a product
Answer:
1. algebraic expression: a mathematical expression containing one or more variables
2. coefficient: the constant preceding the variables in a product
3. constant: a numerical value
4. expression: a mathematical phrase that cannot be determined true or false
5. variable: a letter or symbol used to represent an unknown
Step-by-step explanation:
if you make $391 for 17 hours how much would you make in 13 hours
Answer:
We would make $299 in 13 hours.
Step-by-step explanation:
Hi there!
We're given:
⇒ We make $391 in 17 hours
To find how much we make in 13 hours, we must first find how much we make in 1 hour. Divide $391 by 17 hours:
391 ÷ 17 = 23
Therefore, we make $23 in 1 hour.
Multiply $23 by 13 hours to find how much we would make in 13 hours:
23 × 13 = 299
Therefore, we would make $299 in 13 hours.
I hope this helps!
The Sugar Sweet Company is going to transport its sugar to market. It will cost to rent trucks, and it will cost an additional for each ton of sugar transported. Let represent the total cost (in dollars), and let represent the amount of sugar (in tons) transported. Write an equation relating to . Then use this equation to find the total cost to transport tons of sugar.
Answer:
C(11) = 9975
Step-by-step explanation:
Let C represent the total cost (in dollars),
and let S represent the amount of sugar (in tons) transported
equation:
C(s) = 225s + 7500
find the total cost to transport 11 tons of sugar.
C(11) = 225(11) + 7500
C(11) = 2475 + 7500
C(11) = 9975
what is √2+1/3? Round to three decimal places
Answer:
1.528
Step-by-step explanation:
Alyssa bought 2 packs of football cards for $4.52 each, and a deck of Digimon cards
for $11.47 with two $20 bills. Alyssa found $7.72 in her pocket. How much change
did Alyssa get?
(4.52*2)+11.47
9.04+11.47
20.51
40-20.51= 19.49 before change in pocket
+7.72 =27.21 post change in pocket
Hello :D
2 x $4.52 = $9.04
$9.04 + $11.47 = $20.51
2 x $20 = $40.00
$40.00 - $20.51 = $19.49
With change:
$40.00 + $7.72 = $47.72
$47.72 - $20.51 = $27.21
Pls help fast I will give brainest
Answer: y=5
Step-by-step explanation:
The line only has a value of 5, regardless of the value of x. So the slope of this line is "o," the vlaue of x has no influence on the value of y.
y = mx + b
y = ox + b
b is the y-intercept, the value of y when x = 0. That would be 5, again:
y = 0x + b
y = b
y = 5
Which equation is equivalent to
[tex] \frac{2}{3} \times \frac{5}{6} = \frac{5}{12} \times + \frac{1}{4} [/tex]
[tex] \frac{2}{3} \times \frac{5}{6} = \frac{5}{12} \times \frac{1}{4} \\ \\ \frac{10}{18} = \frac{5}{48} \\ \\0.56 = 0.1[/tex]
_____o_____o_____
[tex] \frac{2}{3} \times \frac{5}{6} = \frac{5}{12} x \: \times \frac{1}{4} \\ \\ \frac{10}{18} = \frac{5}{48}x \\ \\5x(18) = 10 \times 48 \\ \\ 90x = 480 \\ \\ x = \frac{480}{90} = 5.3[/tex]
_____o____o____
[tex]\frac{2}{3} \times \frac{5}{6} = \frac{5}{12} + \frac{1}{4} \\ \\ \frac{10}{18} = \frac{2}{3} \\ \\0.56 = 0.6 \\ \\ 0.6 = 0.6 \: \: [/tex]
I did not know if the sign is a multiplication sign, plus sign, or X, I wrote it in all cases.
I hope I helped you^_^
g(x)=x^2-x
g(-4)
help!
Answer:
g(-4) = 20
Step-by-step explanation:
g(x) = x^2 - x when x = -4
~Substitute
= (-4)^2 - (-4)
~Simplify
= 16 + 4
= 20
Best of Luck!
Fill in each blank with a WHOLE NUMBER
Please help, will mark BRAINLIEST
the first one 1. = 1
the second one 2. = 1
Answer:
A) 1
B) [tex]\frac{2}{1}[/tex], or 2
Explanation:
In a fraction, when both the numerator and the denominator (top and bottom numbers) are the same, the fraction is equal to one. If the numerator (top #) is larger than the denominator (bottom #), then the answer will be larger then 1.
If the numerator is exactly twice the denominator then the answer is 2
You have 2 2/3 ounces of sodium chloride. You want to replicate an experiment that uses 2 3/4 ounces of sodium chloride. Do you have enough sodium chloride? If not, how much more do you need?
Answer:
No, the sodium chloride is not enough.
[tex]\frac{1}{12}[/tex] ounces of sodium chloride is needed.
Step-by-step explanation:
Given
You have 2 2/3 ounces of sodium chloride.
Step 1 of 1
To replicate an experiment that uses 2 3/4 ounces of sodium chloride.
[tex]=\frac{3}{4}-\frac{2}{3}[/tex]
[tex]=\frac{9}{12}-\frac{8}{12}[/tex]
[tex]=\frac{9-8}{12}[/tex]
[tex]=\frac{1}{12}[/tex] ounces.
Learn more about sodium chloride, refer :
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The distance between the points (0,-6) and (-6,0) is: A) 5 B) 6 C) 6√2 D) 12√2
Answer:
-(6y + 2z) - 7z - (12z + 32y)
Step-by-step explanation:
Answer: Choice C) [tex]6\sqrt{2}[/tex]
================================================
Explanation:
Apply the distance formula
[tex](x_1,y_1) = (0,-6)\\\\(x_2,y_2) = (-6,0)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(0-(-6))^2 + (-6-0)^2}\\\\d = \sqrt{(0+6)^2 + (-6-0)^2}\\\\d = \sqrt{(6)^2 + (-6)^2}\\\\d = \sqrt{36 + 36}\\\\d = \sqrt{72}\\\\d = \sqrt{36*2}\\\\d = \sqrt{36}*\sqrt{2}\\\\d = 6\sqrt{2}\\\\[/tex]
What would the new coordinates be
for point A (-4,5) moving 90°?
Answer:
ummm ummm
Step-by-step explanation:
if you figure out pls tell me I dont no
Answer:
(-4,5) rotated 90° Clockwise is (5,4) Counter Clockwise is (-4,-5)
Step-by-step explanation:
Counter clockwise is moving down or right Clockwise is moving left or down.
How often does the line y=1 intersect the graph?
Find the distance between the points E (3,7) and F( 6,5)
Answer:
3.61
Step-by-step explanation:
hopefully this helped I wish you luck
Step-by-step explanation:
find the difference,square,add and find the square root
how
-3^2 + 2^2=9+4
13
square root of 13 =3.6(2dp)
-12/3*(-8+(-4)²-6)+2
122 right?
Answer:
-6
Step-by-step explanation:
[tex] - \frac{12}{3} \times ( - 8 + ( - 4 {)}^{2} - 6) + 2[/tex]
[tex] (-4)² = 4²= 4×4 =16 [/tex]
[tex] - \frac{12}{3} \times ( - 8 +16 - 6) + 2[/tex]
[tex] -8 + 16-6= -14 + 16 = 2[/tex]
[tex] - 4( - 8 + 16 - 6) + 2[/tex]
[tex] - 4 \times 2 + 2[/tex]
[tex] - 8 + 2[/tex]
[tex] = - 6[/tex]
Answer while showing work I need u to show ur work and answer
Answer:
7cm
Step-by-step explanation:
One side of a square is increased by 8 cm, let us say the length got increased by 8 cm. So we have length of x + 8 cm
An adjacent side, the width, decreased by 2 cm. So we have width of x - 2cm
Perimeter of rectangle = 2(length + width)
40 = 2( (x + 8) + ( x - 2) )
40 = 2( 2x + 6)
40 = 4x + 12
28 = 4x
x = 7 cm
That is 7 cm of the length of the side of the square
Which would not be a step in solving
5x + 15 + 2x = 24 + 4x?
A. Collect variable terms on one side.
B. Isolate the variable.
C. Collect like terms.
D. Use the distributive property.
ANSWER: D (Use the distributive property)
Answer:
Step-by-step explanation:
D because there in to parenthesis so you're correct.
|2x+8|−4= -12 (solve for x)
What is the answer.
Answer:
[tex]x^{4}[/tex] + 4x³ - 3x² - 6x - 1
Step-by-step explanation:
By subtracting x³ - 3x² + x - 1 , that is
[tex]x^{4}[/tex] + 5x³ - 6x² - 5x - 2 - (x³ - 3x² + x - 1) ← distribute by - 1
= [tex]x^{4}[/tex] + 5x³ - 6x² - 5x - 2 - x³ + 3x² - x + 1 ← collect like terms
= [tex]x^{4}[/tex] + 4x³ - 3x² - 6x - 1
Step-by-step explanation:
x⁴ + 5x³ - 6x² - 5x - 2
should become
x³ - 3x² + x -1
so, what do I need to subtract from the top terms to get the bottom terms ?
because we can only look from one x- term to the next. we can only combine them, when they have the same x exponent.
so, we see there is no x⁴ in the desired result.
therefore, we know as a first item that x⁴ had to be subtracted.
the next x exponent is 3.
we have 5x³ on the top, and x³ on the bottom.
so, clearly, we need to subtract 4x³ as second term.
the next x exponent is 2.
we have -6x² on the top, and -3x² on the bottom.
so, we should actually add 3x². and how do we do this in a subtraction ? by subtracting a negative value, which actual adds it.
so, we need to subtract -3x² as third term.
the next x exponent is 1 (just x).
we have -5x on the top and x on the bottom.
so, the same trick as before, as we need to add something.
so, we need to subtract -6x as fourth term.
and finally, the x exponent 0, which just shows the constant numbers.
we have -2 on the top and -1 on the bottom.
again the same trick to actually add 1.
we need to subtract -1 as fifth term.
so, in total, this is what we need to subtract from the top line to get the bottom line :
x⁴ + 4x³ - 3x² - 6x - 1
-7 = -c - 29 Easy Points
Hi there!
»»————- ★ ————-««
I believe your answer is:
[tex]c = - 22[/tex]
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
[tex]\boxed{\text{Solving for 'c'...}}\\\\-7 = -c-29\\-------------\\\rightarrow -c -29 = -7\\\\\rightarrow -c - 29 + 29 = -7 + 29\\\\\rightarrow -c = 22\\\\\rightarrow\frac{-c=22}{-1}\\\\\rightarrow \boxed{c = -22}[/tex]
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
KM bisects angle JKL. If angle JKM =86, what is JKL?
Answer:
172 im guessing idrk because i dont see a pic
Step-by-step explanation:
im guessing lmk if its right
Please help ASAP thank you, see attachment
Step-by-step explanation:
1)
TV=TU+UV
32=TU+20
TU=32-20
TU=12
2)
As B is between A and C:
AC=AB+BC
AC=16+12
AC=28
Note:if you need to ask any question please let me know.Luisa sells stuffed animals.She sells a stuffed elephant for $34.90,and the sales tax is 9% of the sale price.About how much is the sales tax on the elephant
Answer:
G.$3.15
Step-by-step explanation:
Step 1-
The estimate for the given situation for the amount is $35, the sales tax of the stuffed elephant is:
=35 x 0.09 - Multiply by the decimal 9%
=$3.15 - Multiply the values
Result- G.$3.15
Crackers were on sale 2 for 5.50. I bought three packs, How much did I spend?
Answer:
6.75
Step-by-step explanation:
2 crackers=5.50
1 cracker=5.50÷2
=2.25
3 crackers=2.25×3
=6.75
Answer:
QUESTION
Crackers were on sale 2 for 5.50. I bought three packs, How much did I spend?
=========================================
ANSWER
[tex]6.75[/tex]
=========================================
#CarryOnLearning
(◍•ᴗ•◍)✧*。
Answer:
QUESTION
Crackers were on sale 2 for 5.50. I bought three packs, How much did I spend?
=========================================
ANSWER
[tex]6.75[/tex]
=========================================
#CarryOnLearning
(◍•ᴗ•◍)✧*。
3.8 repeating as a fraction or mixed number in simplist form
HELP!!! will give brainiest
Kennedy has a bag that contains strawberry chews, apple chews, and lime chews. She
performs an experiment. Kennedy randomly removes a chew from the bag, records
the result, and returns the chew to the bag. Kennedy performs the experiment 38
times. The results are shown below:
A strawberry chew was selected 18 times.
A apple chew was selected 11 times.
A lime chew was selected 9 times.
Based on these results, express the probability that the next chew Kennedy removes
from the bag will be a flavor other than apple as a decimal to the nearest hundredth.
Answer:
0.71
Step-by-step explanation:
Based on what we see here, we can deterime the probability of each flavor being drawn.
Apple: 11/38
Strawberry: 18/38
Lime: 9/38
So the probability of an apple NOT being drawn is 27/38. This is about 0.71.
Hope this helps!
Answer: 24,965
Step-by-step explanation:
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