Hue is arranging chairs. She can form 2 rows of a given length with 3 chairs left over, or 5 rows of that same length if she gets 15 more chairs. Complete the equation and solve it to find how many chairs are in that row length. In your equation, use the variable x to represent the number of chairs in each row.
Answer:
X=4
Step-by-step explanation:
2x+3=5x+15
2x-5x=15-3
-3x=12
-3x/-3 = 12/-3
X=4
Anna hiked 95/8 miles in 23/4 hours. How fast did she walk overall?
A) 31/2 miles per hour
B) 31/4 miles per hour
C) 31/3 miles per hour
D) 35/3 miles per hour
Step-by-step explanation:
Your answer is right here...
pls help
Solve the following system of equations for x using elimination:
4x + y = 2
x - y = 3
-2.
3
your help would be greatly appreciated
Answer:
12/13
Step-by-step explanation:
Sin, remember it as SOH. SOH is Sin=Opposite/hypotenuse.
will give brainliest
A worker at a clothing store earns a 15% commission on a sale of $75.00 (whole). How much is the commission? The 15% commission of $75 will be _____
Answer:
Step-by-step explanation: The commission will be a total of $11.25.
the commission would cost $11.25
me need help on math plz help
Answer:
4 ;)
Step-by-step explanation:
78/75=1.04
Answer:
It would be A
explanation:
the reson why it is A because it is closest to 3%
your welcome
if y=3 then 14y equals
Answer:
42
Step-by-step explanation:
14(3)
Answer:
42
Step-by-step explanation:
first, substitute 3 for y in 14y. 14y means you are multiplying 14 and y, so when you plug in 3 for y, you're multiplying 14 and 3! :)
14y ⇒ 14(3)simplify by multiplying 14 · 3.
14(3) = 42so, when y = 3, 14y = 42.
you can check the answer by solving for y in 14y = 42.
divide both sides of the equation by 14.
14y/14 = 1y or y42/14 = 3after dividing, you're left with y = 3. that means 14y does indeed equal 42 when y = 3! :)
i hope this helps! have a great rest of your day <3
Which line has a slope of -1/2? Line a, line b, line c, line d
Answer: a
Step-by-step explanation:
Answer:
line d
Step-by-step explanation:
A pair of sneakers which normally costs $80 is on sale for $65. What is the percent markdown for the pair of sneakers?
Answer:
Your answer
18.75% discounted
Mark it as Brainlist. Follow me for more answer.
Step-by-step explanation:
6w = 21
Solve for w
Please show steps
Answer:
w=21/6
w=3.5
Step-by-step explanation:
I hope it's helps you
PLS HELP!!!!!!!!!!!!!!!!!! THIS IS DUE SOON AND I DONT GET IT
PLSSSSSSSS HEELPPPP BRAINLIEST PROMISED AND 24 POINTS. PLS HELP!
Answer:
80
Step-by-step explanation:
im not sure i ever done this but 1x2=2 and 2x 40= 80
i dont know sorry im trying my bets
Somebody help please....
Answer:
4,096
Step-by-step explanation:
It goes like this 4 * -4=-16, 16*4=64, -64*4=256, etc.
You use the sum of the last number but flip the sin to make it opposite like if your some was + make it a negative to get your next product. Hope that made sense!!!!
Helppp meee pleaseee
Answer:
I'm not sure sorry if I'm wrong but I think the answers would be 3,4,5
When building a house, the number of days required to build is inversely proportional to with the number of workers. One house was built in 147 days by 4 workers. How many days would it take to build a similar house with 42 workers?
Answer:
14
Step-by-step explanation:
[tex]147 \times 4 \div 42 = 14[/tex]
It would take 14 days to build a similar house with 42 workers
What is the fundamental principle of multiplication?Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.
We are given that the number of days required to build is inversely proportional to with the number of workers.
One house was built in 147 days by 4 workers.
So,
147 x 4 = 588
Now the days to build a similar house with 42 workers
588/ 42 = 14
Learn more about multiplications;
https://brainly.com/question/14059007
#SPJ2
i need help please, ill give Brainliest
the product of 10 and the number Q
(its question 3)
This will probably be the last one today so yeah help
Answer:
A = 974
Step-by-step explanation:
The formula for surface area of a rectangular prism is A=2(wl+hl+hw)
so yeah enjoy freedom for the rest of the day
Answer:
974 inches2
Step-by-step explanation:
Surface Area = 2×(11×8 + 11×21 + 8×21) = 974 inches2
The diagram shows a 6 ft student standing near a tree. The shadow of the student and the shadow of the tree ends at point A. What is the height of the tree?
Answer: 18ft
Step-by-step explanation: I took the quiz and got 100%
The height of the tree is 8.3 ft.
To solve this problem, we have to find the angle of elevation from the student.
To do this, we have to assume or bring out a right angle triangle and solve for the.
Given that we have the distance of A to F and the point to F
A to F = 5ftE to F = 6angle ?Trigonometric RatioUsing trigonometric ratio,
We can find the tangent of this angle
[tex]tan\theta = \frac{opposite}{adjacent} \\tan\theta = \frac{6}{5}\\ tan \theta = 1.2\\\theta = tan^-^1(1.2)\\\theta = 50.2^0[/tex]
The angle of elevation can be calculated using sum of angles in a triangle is equal to 180 degrees
[tex]180 = 90 + 50.2 + x\\x = 180- 140.2\\x = 39.8^0[/tex]
Assuming a right angle triangle from the point the student is standing, the distance from him to the tree would be
[tex]15 - 5 = 10ft[/tex]
Let's use the tangent of the angle to find the height of the tree.
[tex]tan\theta = \frac{opposite}{adjacent} \\tan 39.8 = \frac{x}{10}\\x = 10 tan39.8\\x = 8.3ft[/tex]
From the calculations above, the height of the tree is 8.3 ft.
Learn more on trigonometric ratio here;
https://brainly.com/question/10417664
HELP!!! Please I have a timer
Can someone help me please?
Answer: Hi
Step-by-step explanation:
The answer is b
find the measure of angle A
Answer:
35 degrees
Step-by-step explanation:
Sum of angles inside a triangle is 180 degrees.
Right angle is 90 degrees.
180 = 90 + (x + 46) + (x + 66) = 2x + 202
x = -11
A = x + 46 = -11 + 46 = 35
complete the algebra terms with table and graph given y = 2x +3
Tanijah paid $4.00 for 5 organic peaches. How much did she pay per peach?
Answer:
80 cents i think if i did my math right
Step-by-step explanation:
80 times 5 is 400
Can somebody help???
Answer:
first box - 2.10
second box - 2.14
Answer:
2.10 & 2.14
Step-by-step explanation:
its basic adding by 2 yk
I need help with this please
Answer:
x + 12 ft
Step-by-step explanation:
Area = base times height. Here we know the area (x^2 + 9x - 36) and the width (x - 3). Since area = length times width, divide the given area by x - 3.
x^2 + 9x - 36 factors into (x - 3)(x + 12).
Dividing this result by x - 3 yields the length: x + 12 ft
The number of candies in a large bag of M&M decreased by 25% between
last year and this year. Last year there were 60 pieces of candy inside each
of these bags. What is the candies inside the bag this year?
Answer:
the answer is 45 candies in the bag this year.
Step-by-step explanation:
60×.25=15
60-15=45
Can y’all help me on this question?
Answer:
134
Step-by-step explanation:
There's 2 blue arrows where 39 is, and the same arrows where 4x+7 are. This means that they are the same length. So, 4x+7 = 39. Perimeter means you add, so 28+28+39+39 = 134.
4(-W +8) I need help please.
Answer:
4(-w+8)
Step-by-step explanation:
-4w+32
32dividedby-4
w=-8
Please help me!!
At Silver Gym, membership is $25 per month, and personal training sessions are $30 each. At Fit Factor, membership is $65 per month, and personal training sessions are $20 each. Part A: Choose the equation that can be used to find the number of training sessions needed in one month for both costs to be the same.
its the first one
Step-by-step explanation:
because per pertains to to x
help meeeeeeeeeeeeee
A right triangle has legs measuring 5 feet and 12 feet. If the legs of the triangle were doubled, what would be the difference in the original and enlarged perimeters?
Answer:
[tex]30[/tex]
Step-by-step explanation:
1. Approach
First, use the Pythagorean theorem to solve for the hypotenuse of the given right triangle. Then find the perimeter by adding up the values of all the sides. The problem then has the lengths of the legs doubled. When the legs undergo a scaling factor, the hypotenuse and perimeter undergo the same scaling factor. Here, the legs are doubled, hence the hypotenuse and the perimeter are also doubled. Finally, subtract the new perimeter from the original perimeter.
2. Find the original hypotenuse
Remember the Pythagorean theorem states;
[tex]x^{2}+y^{2}=z^{2}[/tex]
Where (a) and (y) are the legs (or the sides adjacent to the right angle), and (z) is the hypotenuse or the side opposite to the right angle.
Substitute in the given value and solve,
[tex](5)^{2}+(12)^{2}=z^{2}\\\\25 + 144 = z^{2}\\\\169=z^{2}\\\\\sqrt{169}=z\\\\13=z[/tex]
3.Find the perimeter of the original triangle
To find the perimeter of a polygon, one must add up the lengths of all the sides.
[tex]5 + 12 + 13\\\\= 30[/tex]
4. Find the new perimeter
In a right triangle, when both legs undergo a scaling factor, the hypotenuse also has the same change, and the perimeter also undergoes the same change. In this case, the length of the legs is doubled, therefore, the hypotenuse and the perimeter are also doubled.
New hypotenuse; [tex]26[/tex]
New perimeter; [tex]60[/tex]
5. Find the difference
Now all that is left is to subtract the new perimeter from the original perimeter;
(New_perimeter) - (original_perimeter)
= [tex]60 - 30[/tex]
= [tex]30[/tex]