The ratio of girls to boys is 5:3 in a class. If there are 15 girls in the class, what is the class size? What is the unit ratio?
Answer:
Try setting up a proportion: [tex]\frac{5}{15}=\frac{3}{x}[/tex] then cross multiply to solve for x which will try you how many boys are in the class. Then add the number of boys and girls together.
Step-by-step explanation:
100 divided by 16.4 as a fraction
Answer:
25/4.1 or 6 and 2/5
Step-by-step explanation:
I can simplify both 100 and 16.4 by 4, so: 100/16.4=25/4.1
Because this is an improper fraction, I simplify it to: 6 and 2/5
The path of a race will be drawn on a coordinate grid like the one shown below. The starting point of the race will be at (−5.3, 1). The finishing point will be at (1, −5.3).
Part A: For the -5.3, 1 it would be located in Quadrant Q because even though it just goes to -4 and 4 I can extend the grid in my head and that's how I was able to figure out.
Step-by-step explanation:
7×0.4= show work please
Answer:
2.8
Step-by-step explanation:
.4 × 7 =2.8
.4+.4+.4+.4+.4+.4+.4
Hope this helps!!:)
Answer:
2.8
Step-by-step explanation:
This is the same as:
[tex]0.4+0.4+0.4+0.4+0.4+0.4+0.4[/tex]
If we were to change the question to:
[tex]4+4+4+4+4+4+4=28[/tex]
That would be 10x this question's answer, Therefore you divide 28 by 10 to give you 2.8
the ecpanded form of 239.013
[tex]239.013 = 2 \times 100 + 3 \times 10 + 9 \times 1 + 0 \times 1 \div 10 + 1 \times 1 \div 100 + 3 \times 1 \div 1000[/tex]
hope it helps :)
Answer:
[tex]239.013=2×100+3×10+9×1+0×1÷10+1×1÷100+3×1÷1000[/tex]
Which example illustrates the associative property of addition for polynomials? [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = (2x2 + 5x) + [(4x2 – 4x) + 5x3] [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = [(4x2 – 4x) + (2x2 + 5x)] + 5x3 (2x2 + 5x) + [(4x2 – 4x) + 5x3] = (2x2 + 5x) + [5x3 + (4x2 – 4x)] [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = [(5x + 2x2) + (–4x + 4x2)] + 5x3
Answer:
A
Step-by-step explanation:
Answer: first one
Step-by-step explanation:
omm it’s A
10x + 7-x=3x + 8
Please give me answer!
Answer:
Solution: x = 1/6
Decimal form: 0.166667
Hope this helps :)
Answer:
x = 1/6
Step-by-step explanation:
10x + 7 - x : Combine like terms (In this case the x values)
9x+7 = 3x + 8 : Subtract 3x from both sides
6x + 7 = 8 : Now subtract 7 from both sides
6x = 1 : Divde both sides by 6
x = 1/6
15 1/2 as an integer
is 8.5 greater than 0.85?
Answer:
Yes, 8.5 is greater than 0.85
Step-by-step explanation:
In counting from 0 to the highest possible positive number in steps of 0.01, we come across 0.85 before 8.5. This means that 8.5 is greater than 0.85
ean is comparing prices on ground beef. Store A is selling 5 pounds of ground beef for $23.49. Store B is selling 8 pounds of ground beef for $36.96.
Which store is offering the better deal on ground beef? Show your work.
how do you find the value of x on this triangle?
Answer:
Solving for X in a Right Triangle
Step-by-step explanation:
Subtract the sum of the two angles from 180 degrees. The sum of all the angles of a triangle always equals 180 degrees. Write down the difference you found when subtracting the sum of the two angles from 180 degrees. This is the value of X.
Find the probability of rolling a die twice, first getting a 3 and then an odd number.
(This sounds simple but every answer I get isn’t the correct one)
PLEASE I DON’T UNDERSTAND
Answer: 1/3 or 0.333333333
Step-by-step explanation:
Probability of getting a 3 is 1/6.
1/6
Probability of getting an odd number is 3/6.
3/6
Multiply them.
1/6*3/6 = 4/12
Simplify.
4/12 = 1/3
Correct me if I am incorrect.
The present year is 2014. Which year comes AFTER THE NEXT 3 years?
Answer:
2017 Pls mark me as a brainliest I really need it
A line segment has endpoints at (3, 5) and (6, 1)
What is the x-coordinate of the midpoint?
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{3}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{1}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{6+3}{2}~~,~~\cfrac{1+5}{2} \right)\implies \left( \cfrac{9}{2}~~,~~\cfrac{6}{2} \right)\implies \left(4\frac{1}{2}~~,~~3 \right)[/tex]
Michael paints a circular
tablc that has a diameter
of 19 inches. What is the
area of the table?
Answer:
90.25π
Step-by-step explanation:
The formula for solving the area of a circle is πr².
r is the radius. We can find the radius by splitting the diameter in half: 19/2 = 9.5.
We can apply the area formula and we get π9.5² and the answer is 90.25π.
Find the value of x and y
Answer:
X=90
Y=43
Step-by-step explanation:
hope it will help goodbye
solve the following system of equations
Answer: the answer is D which is (2,1)
By definition pH = - log H+], where H*] is the hydrogen concentration in $ ltext(moles per liter]$. If the pH
of a solution is 3, what would the [H+] in the solution (written in scientific notation)?
A ........................ig
A rectangle’s perimeter is 86in . Its length is 9in longer than its width. Use an equation to find the rectangle’s length and width.
Answer:
Step-by-step explanation:
Let width be x
So length would be x + 9
If perimeter is 86, then
2(l+b) = 86
2(x + x+9) = 86
4x + 18 = 86
4x = 68
X = 17
Check:
2(x + x + 9) = 86
2(17 + 17 + 9) = 86
2(43) = 86
86 = 86
Here you go
What is the solution for x in the equation
-4+5x-7=Okay 0+3x-2x
Answer:
X = 2.75 or 2 3/4 in fraction form
Step-by-step explanation:
We know that the variable X has to make both equations equal.
It is really just crossing out the options.
2.75 can fit in the X variable because if 2.75 was in both equations, the answer would be the same.
So the answer is 2.75
Hope this helps! :)
૮ ・ﻌ・ა
There are 9 3/5 pounds of bricks in the bag each brick weights 1 1/5 pounds ? How many bricks are in the bag
Answer:
there are 6 bricks in th ebag
Step-by-step explanation:
6 bricks in the bag.....
A hiker maintains an average speed of 3 3/4 km/h. How many kilometers will the hiker walk in 5 hours
Answer:
3 3/4 km = 1 hr
_______. ____
x 5
5 (3 3/4) = 18.75 km
Answer:
Explanation:
18.75 km
?/5 =8/10 type the missing number that makes this fraction equal
Answer:
4/5 = 8/10
Step-by-step explanation:
x/5 = 8/10
x = 8/10 × 5
x = 4
Please help me ill put the question up for a lot of point, and i will mark as brainliest!!!
Step-by-step explanation:
(2x³y^-4)^-2 = 1/(4x⁶y^‐8) = y⁸/(4x⁶)
1/(8x⁵y^-7) = y⁷/(8x⁵)
4x^-9y⁴ = 4y⁴/x⁹
so, the whole expression is then
y⁸/(4x⁶) × y⁷/(8x⁵) × 4y⁴/x⁹
4y¹⁹/(32x²⁰) = y¹⁹/(8x²⁰)
so, D is the correct answer.
A store makes $9500 a month in sales. They pay $3325 a month in rent. What percent of their sales is used to pay rent
Answer:
35%
Step-by-step explanation:
We can use the equation "is over over" to give up 3325/9500*?/100, after simplifying your answer is 35%
Brainliest would be appreciated. :-)
Ashton is 3 times the age of Jason. Ashton is 6 years older
than Nolan. Jason is 7 years old. How old is Nolan? Explain
Answer:
nolan is 15,
Step-by-step explanation:
3*7=21-6=15
solution:
age of Jason is 7
and Ashton is 3 times age of Jason=7*3=21
Nolan age=21-6=15
therefore the age of Nolan is 15 years
Solve the equation.
2
What is the first step to isolate the variable term on one side of the equation?
What is the second step to solve for x?
Please help and be fast
Answer:
Add 1/2x, Divide by 7/6
Step-by-step explanation:
Add 1/2x to both sides
Divide both sides by 7/6
please help ill mark brainliestO
Answer:
AA, SAS, SSS
Step-by-step explanation:
These three theorems can be used to find similar triangles.
What is the area of this figure?
3 mm
4 mm
13 mm
what’s the area of this figure?
12 mm
4 mm
15 mm
8 mm
10 mm
.
Write your answer using decimals, if necessary.
someone please help me!
GIVING BRAINLIST TO FIRST RIGHT ANSWER
Answer:
A. The mean is increased by 3
Step-by-step explanation:
2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 = 56/8 = 7
2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 + 34 = 90/9 = 10
10 - 7 = 3