Answers
Related Questions
There are 20 students in the algebra class. One-half of the students were boys. One-half of the boys wore T-shirts. How many boys wore T-shirts to the algebra class? Boys wearing T-shirts were what fraction of the students in the class?
Answers
Answer:
¼ of the students
Step-by-step explanation:
½×20 = 10
½ × 10 = 5
[tex] \frac{5}{20} = \frac{1}{4} [/tex]
<3
Answer:
[tex] \frac{1}{4} [/tex]
Step-by-step explanation:
Refer the attachment for explanation
What operation should be done first to solve 6x + 5 = 35?
1.) Multiply by 6
2.) Divide by 6
3.) Add 5
4.)Subtract 5
Answers
Answer:
option 4
Step-by-step explanation:
6x + 5 = 35 ( subtract 5 from both sides ) ← first step
6x = 30 ( divide both sides by 6 ) ← second step
x = 5
please help me with explanation
Answers
Answer:
Step-by-step explanation:
Basically for questions like these, you have to make the denominator a whole number with no surds, so you multiply it by the same numbers but change the sign. Whatever you do at the bottom you have to do at the top so
[tex]\frac{3(\sqrt{5}-\sqrt{2}) }{\sqrt{5} +\sqrt{2} (\sqrt{5}-\sqrt{2} )}[/tex]
and then you expand
Step-by-step explanation:
3/(√5+√2) = 3/(√5+√2) × (√5-√2)/(√5-√2)
= 3(√5-√2)/5-2 = 3(√5-√2)/3 = √5-√2 answer:-
hope this helps you.
Which equation best represents the relationship between x and y.
Answers
Answer:
b
Step-by-step explanation:
Chris and his crew can build 7 stone fireplaces in 3 days. At this rate,how many fireplaces can Chris and his crew build in 11 days? Round to the nearest stone fireplace.
please answer asap, I will mark brainiest.
Thank you!
Answers
Answer: It should be 26, thank you
Step-by-step explanation:
Please help Kfjfhtrbvfbfnfifk
Answers
Answer:
8100ft
Step-by-step explanation:
if the lengths were even, you would multiply 90 by 90 to get a area of 8100ft. Plus, if you tilt the diamond, the shape is technically a square. to find a area of a square multiply: Length * Width.
POSS
Given a cone with height of 10 cm and a base radius of 9 cm, what is the volume of the cone? Use 3.14 for 7. Round your answer to th
O 8.4 cm2
O 8.4 cm
O 8.47 cm?
O 847.8 cm3
1
2
3
4
5
6
7
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Answer:
847.8cm3
Step-by-step explanation:
formula for volume of cone is 1/3πr^2h
Expand and simplify (3a + 4)(3a + 4).
these are the answer options.
3a^2 + 16
9a^2 + 16
9a^2 + 12a + 8
9a^2 + 24a + 16
Answers
Answer:
9 a²+24a+16
Step-by-step explanation:
hope it's helpful to you ☺️
9a^2 + 24a + 16
Step-by-step explanation:
..........
Solve for x
And show work
Answers
Answer:
x = -8
Step-by-step explanation:
1. Because the line the angles x + 96 and 100 + x are on is straight, it's a straight angle that results in 180°.
2. Given the above information, that means x + 96 + 100 + x = 180.
3. (Solving for equation above)
Step 1: Simplify both sides of the equation.
[tex](x+x) + (96+100)=180[/tex] [tex]2x + 196 = 180[/tex]Step 2: Subtract 196 from both sides.
[tex]2x + 196 - 196 = 180 - 196[/tex] [tex]2x = -16[/tex]Step 3: Divide both sides by 2.
[tex]\frac{2x}{2} = \frac{-16}{2}[/tex] [tex]x = -8[/tex]Step 4: Check if solution is correct.
[tex]-8 + 96 + 100 - 8 = 180[/tex] [tex]88 + 100 - 8 = 180[/tex] [tex]188-8=180[/tex] [tex]180=180[/tex]Therefore, x = -8.
Answer:
x = - 8
Step-by-step explanation:
x + 96 and 100 + x are adjacent angles on a straight line and sum to 180°, so
x + 96 + 100 + x = 180 , that is
2x + 196 = 180 ( subtract 196 from both sides )
2x = - 16 ( divide both sides by 2 )
x = - 8
CAN YALL HELP ME IM NOT SURE PLEASE
Answers
Answer:
10^2
Step-by-step explanation:
when bases are same and exponents are in division we subtract the exponents.
so 10^6-4 = 10^2
Answer:
10^2
Step-by-step explanation:
10^6 / 10^4 =
10 x 10 x 10 x 10 x 10 x 10 <------- 6 times 10
------------------------------------
10 x 10 x 10 x 10 <--------- 4 times 10
Simplify and you get
10 x 10 = 10^2
A skating rink charges a group rate of $10 to reserve a booth, plus a fee to rent each pair of skates. A family rents 6 pairs of skates and pays a total $76.
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76=10+6x
To find the price solve for x.
First subtract 10 from both sides then divide by 6.
66=6x
X=11
The price per pair of skates is $11
HELP!!!
Only question 16
Answers
Answer:
Cost is $255
Step-by-step explanation:
Cost = 150 + 15d ( d = day(s) )
Cost = 150 + 15(7) ( d becomes 7 because the boat is rented for 7 days )
Cost = 150 + 105
Cost = 255
Hopefully this helped!
Brainiest please?
Answer:
The cost of Juan's rent of the boat in 7 days is 255
Step-by-step explanation:
Cost = 150 + 15d
--
==>> D = days
--
Cost = 150 + 15(7)
--
150 + 105 = Cost
--
255 = Cost
FINAL
guys pls help me!!!!!!!
Answers
x right? the answer is 54 degrees
which is an equation of the line through (2,-1) and (0,5)
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Answer:
[tex]y = mx + c \\ - 1 =2 m + c...(1) \\ 5 = (0)m + c \\ c = 5...(2) \: sub \: in \: (1) \\ - 1 = 2m + 5 \\ m = - 3 \\ y = - 3x + 5[/tex]
Find the base of a triangle if its area is 54 square centimeters and its altitude is 9 centimeters.
Answers
Answer:
12 cm
Step-by-step explanation:
A = bh/2
54 = b(9)/2
b = 54(2)/9
b = 12
Answer:
it's answer is 12cm
Step-by-step explanation:
54=1/2 x 9
54=2/1 x 1/9
A street sign that is 8 feet tall casts a shadow that is 5 feet long. At the same time, a nearby tree casts a shadow that is 28 feet long. What is the height of the tree?
Answers
Answer:
44.8 feet
Step-by-step explanation:
Ocean waves move in parallel lines toward the shore. The figure shows the path that a windsurfer takes
across several waves. For this exercise, think of the windsurfer's wake as a line. If m Z1 = (3x + 5y)° and
m 22 = (3x + y)º, find x and y.
X=
and y =
Answers
Answer:
Step-by-step explanation:
here you go
The function h is defined by h(m)=m^2−3m .
What is the value of h(9) ?
Answers
Answer:
h(9) =54 is did it on the test
(Level 4) In a bag of orange, red, and yellow, 60% are orange, and 10% are red. There
are 6 yellow marbles in the bag. If you increase the number of orange marbles by 50%,
how many orange marbles are in the bag?
Answers
The answer is 22 orange marbles. Let me explain. Since 60% are orange and 10% are red, the rest, 30% is yellow. So we learn that every 10% equals to 2 marbles. If you add 60% + 50% = 110%
90% = 18
And we have to add 4 more because 10%×2.
So the total comes to 18+4= 22.
Pls help me with this question thank you!!!
Answers
Find the perimeter of this semi-circle with diameter, d = 65cm. Give your answer rounded to 1 DP.
Answers
Answer:
1658.3
Step-by-step explanation:
the perimeter of a semi - circle is simply half the circumference of a circle.
that is ;
1 / 2 ( pi ( r² ) )
where;
pi = 3.14 ( this is a constant that should be known and also equals 22 / 7 )
r = radius ( or half a diameter )
in our question, we are given a diameter with no radius
this means that we will have to halve the diameter to give us our radius
that is;
d = 65cm
r = 65 / 2
r = 32.5
so, using our formula;
1 / 2 ( 3.14 ( 32.5² ) )
1 / 2 ( 3.14 ( 1056.26 ) )
1 / 2 ( 3316.65 )
1658.3125
rounded to 1 DP;
1658.3
May I please receive help
Answers
lets put it in standard form
8x - 2y = -1
-2y= -1-8X
y=-1/-2=8x1-2
y=4x+1/2
4 is your slope
1/2 is your y-intercept
the slope of a parallel line would be
4, the slope of a perpendicular
line
would
be 1/4
A factory has 203 workers. There are 70 more males than females. Let x represent the number of males and let y represent the number of females. Which system of equations represents this situation?
Answers
Equation:
X+Y=203
X=70
Answer:
x - y = 70 and x + y = 203 are the required system of equations represents this situation.
Step-by-step explanation:
Given that factory has 203 workers
Let "x" represent the number of males and let "y" represent the number of females
There are 70 more males than females. Which means,
Number of males = 70 + number of females
x = 70 + y
On rearranging we get,
x - y = 70 ----> equation 1
It is given that factory has 203 workers, which means number of males and females is equal to 203
Number of males + number of females = total workers
x + y = 70 ---- equation 2
So equation 1 and equation 2 represents the system of equations for this situation
x - y = 70 and x + y = 203 are the required system of equations
Write 8/5 as a mixed number.Select the Hint button to view a hint.----------
Answers
Answer:
1 3/5
Step-by-step explanation:
8/5 has 1 whole; 5/5. If you subtract 5 from 8 you would get 3.
plz help
Factor:
49 − y^2
Answers
(7+y) (7-y)
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CAN SOMEONE HELP ME WITH THIS QUESTION MARKING BRAINLEIST BTW!
Answers
Answer:
not to familiar but maybe 1/10 or reverse
Step-by-step explanation: i think this might be right because the number the final arrow points to is 10
how do i work out -2=6+a/5
Answers
Answer:
a = -40
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
[tex]-2 = 6 + \frac{a}{5}[/tex] [tex]-2 = 6 + \frac{1}{5}a[/tex] [tex]-2 = \frac{1}{5}a + 6[/tex] [tex]\frac{1}{5}a + 6 = -2[/tex]Step 2: Subtract 6 from both sides.
[tex]\frac{1}{5}a + 6 - 6 = -2 -6[/tex] [tex]\frac{1}{5}a = -8[/tex]Step 3: Multiply both sides by 5.
[tex]\frac{1}{5}a * 5 = -8 * 5[/tex] [tex]a = -40[/tex]Therefore, a = -40. I hope this helped you!
Answer:
-40 = a
Step-by-step explanation:
-2=6+a/5
Subtract 6 from both sides of the equation-8 = a/5
Multiply both sides by 5(5)-8 = a/5(5)
-40 = a
suppose a 95 confidence interval for a population proportion is (0.27 0.49)
-what is p
- what is the margin of error
Answers
If a plane takes off from an airport that sits at an elevation of 150 ft and after traveling 105 miles has a flying altitude of 35,000 ft, what is the average slope of the plane's ascent
Answers
the answer is in the ģòògle
The height of two boys are in the ratio of 4:5 the shorter boy is 80 cm what is the height of the taller boy?
Answers
Answer:
100cm
Step-by-step explanation:
The relationship between the ratio and the heights is 20. i.e 4 : 5 = 80 : 100
Hope this helps, please tag brainliest.
The height of the taller boy is 100cm.
What is ratio?Ratio, is a term that is used to compare two or more numbers. It is used to indicate how big or small a quantity is when compared to another. In a ratio, two quantities are compared using division.
Let the height of the taller boy be x cm and smaller boy be y cm.
According to the given question.
The ratio of height of the two boys is 4:5.
Since, it is obvious that 4:5 is the ratio of the height of smaller boy to the taller boy. Because k will be the ratio of proportionality then 4k will given the smaller value and 5k will give the larger value therefore, 4:5 represents the ratio of height of smaller boy to the taller boy.
[tex]\implies \frac{y}{x} =\frac{4}{5}[/tex]
Also, the height of the shorter boy is 80cm.
Therefore,
[tex]\frac{80}{x} = \frac{4}{5}[/tex]
[tex]\implies 80\times 5 = 4\times x[/tex]
[tex]\implies 400 = 4\times x[/tex]
[tex]\implies x = \frac{400}{4}[/tex]
[tex]\implies x = 100cm[/tex]
Hence, the height of the taller boy is 100cm.
Find out more information about ratio here:
https://brainly.com/question/13419413
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