Answer:
x = 5
Step-by-step explanation:
combine the like terms :)
A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear. They sell the teddy bears for $12 a piece. Which equation could be used to find the number of bears x the company has to sell in one day to equal its daily cost?
A. 1500 + 8x = 12x
B. 1500 + 8x = 12
C. 8x = 12x + 1500
D. 12 + 8 = 1500
Answer:
Probably B
Step-by-step explanation:
Please help me I am in a hurry to go somewhere so please help quick
Three sisters are each less than 45 years old. The mode of their ages is 35. The range is 14. What is the mean of their ages? The median?
a.
29.7; 35
c.
35; 30.3
b.
30.3; 28
d.
30.3; 35
Please select the best answer from the choices provided
sorry about the answer choices being mixed up im still in a hurry
Answer:
I'm so sorry I don't know this answer but good luck
Answer: since it doesn't tell you how you get it.
Since the mode of the ages is 35 we know that at least two of the ages are 35. Since the range is 14 we know the third sister is not also age 35. Let x be the age of the third sister. Then we know either 35 - x = 14 or x-35 = 14 (depending if x is younger or older, respectively). Solving both of these gives x = 21 or x = 49. But all the sisters are under the age of 45, so x = 21. Hence, the ages of the sisters are
21, 35, 35.
So, the mean is (35+35+21)/3 = 91/3 =~ 30.3333 ...
The median is 35.
Please help i need an A
Answer:
(1) 820
(2) 1920
Step-by-step explanation:
(1) solving 20 x 41, using associative property.
20 * 41 = (2 x 10) x 41 = 2 x (10 x 41)
= 20 x 41 = 2 x 410
= 820 = 820
(2) distribute 32 as 30 + 2 and solve.
60 x 32
= 60 x (30 + 2) = 60(30) + 60(2)
= 1800 + 120
= 1920
There are 40 students in a class and 36 of these students passed their Chemistry test.
What percentage of these students passed their test?
Answer:
90%
Step-by-step explanation:
To calculate a percentage, divide the smaller number into the larger one. 36 ÷ 40 = 0.9, which is equal to 90%.
Answer:
60% passed the test
I'll give brainliest to the right answer! I need help ASAP!
Answer:
answer: y= 1^2+ -8 I think I did this right.
Answer:
y=-1/2x-8
Step-by-step explanation:
Triangles 1 and 2 are both isosceles. They each have a 30 degree angle. Explain why these triangles don't have to be similar to each other.
Step-by-step explanation:
Triangle 1 can have 30°, 75° and 75° angles whereas Triangle 2 can have 30°, 30° and 120° angles.
Since they do not have all 3 congruent angles, they are not similar.
QUESTION SHOWN ON PHOTO.
All of the points on the graph could represent rational numbers. (-1, 0, 1, 4.5)
Answer:
B
Step-by-step explanation:
A: false, point C isn't a rational number
B: True, Every negative integer is a negative rational number, like point A
C: false, point D is a fraction, therefore, point D is a rational number
D: false, like said in A, point C isn't a rational number
Brandon decided to make his own hand sanitizer.
To be effective, hand sanitizer should contain 60% alcohol.
If Brandon uses 120ml of pure alcohol, how much sanitizer can he make?
Answer:
200ml
Step-by-step explanation:
120ml ÷ 60 = 2 x 100 = 200ml
The solution is 200 mL
The amount of sanitizer Brandon can make from 120mL of alcohol is given by the equation A = 200 mL
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the amount of sanitizer from 120 mL of alcohol be A
Now , the equation will be
The sanitizer should contain 60% alcohol
So ,
120 = ( 60 / 100 ) x amount of sanitizer from 120 mL A
Substituting the values in the equation , we get
120 = ( 60 / 100 ) x A
Divide by 60 on both sides of the equation , we get
A / 100 = 2
Multiply by 100 on both sides of the equation , we get
A = 200 m L
Therefore , the value of A is 200 mL
Hence , the amount of hand sanitizer is 200 mL
To learn more about equations click :
https://brainly.com/question/19297665
#SPJ2
HELP, i’m not good a triangles
Answer:
B
Step-by-step explanation:
SSS stand for Side Side Side, so the truangle must identify all it's sides. To identify sides it uses lines through the side like in B where 1 side has 1 line, 1 side has 2 lines, and the other side has 3 lines. That is the side identifiers, and because each side in B matches with 1 side in A, means that A and B are congruent because they have the same sides, so SSS.
This is confusing to explain, if you have any questions post them in the comments.
Someone please help me I’m really struggling
I will give brainliest
Answer:
SA ≈ 1134 cm²
General Formulas and Concepts:
Math
Pi π = 3.14...Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightGeometry
Radius: r = d/2Surface Area of a Sphere: SA = 4πr²Step-by-step explanation:
Step 1: Define
d = 19 cm
Step 2: Find SA
Substitute [R]: r = 19 cm/2Divide: r = 9.5 cmSubstitute [SAS]: SA = 4π(9.5 cm)²Exponents: SA = 4π(90.25 cm²)Multiply: SA = 361π cm²Multiply: SA = 1134.11 cm²Round: SA ≈ 1134 cm²Of the 75 cars that Lindsay saw pass on the highway, 16% had an out-of-state license plate. How many had an out-of-state license plate?
Answer:
12
Step-by-step explanation:
75 * 0.16 = 12
Answer:
12 cars
Step-by-step explanation:
HELP NOW PLEASEEE
A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test. Each adult bike requires 6 hours to build and 4 hours to test. With the number of workers, the company is able to have up to 120 hours of building time and 100 hours of testing time for a week. If c represents child bikes and a represents adult bikes, can the company build 10 child bikes and 12 adult bikes in a week. (2 points)
No, because the bike order does not meet the restrictions of 4c + 6a ≤ 120 and 4c + 4a ≤ 100
No, because the bike order does not meet the restrictions of 4c + 4a ≤ 120 and 6c + 4a ≤ 100
Yes, because the bike order meets the restrictions of 4c + 6a ≤ 120 and 4c + 4a ≤ 100
Yes, because the bike order meets the restrictions of 4c + 4a ≤ 120 and 6c + 4a ≤ 100
Select all the correct answers.
Which sequences of transformations performed on shape I show its congruency to shape II?
a reflection across the x-axis, followed by a 90° clockwise rotation about the origin, and then a translation 5 units left
a reflection across the x-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation 5 units right
a reflection across the y-axis, followed by a 90° clockwise rotation about the origin, and then a translation 5 units left
a reflection across the x-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation 5 units left
a reflection across the y-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation 5 units left
Answer:
A.a reflection across the x-axis, followed by a 90° clockwise rotation about the origin, and then a translation 5 units left
and
C. a reflection across the x-axis, followed by a 90° counterclockwise rotation about the origin, and then a translation 5 units left
Step-by-step explanation:
Please help. 50 points + brainliest
1. Combine the following expressions.
a√x + b √y - c√x
2. Combine the following expressions.
4m + 5√n - m + 6m - 3√n
3. Combine the following expressions.
√16a - √49a + √81a
4. Combine the following expressions
a√125y - b √45y
(NOTICE: If you do not know the answer, please do not answer. Trolls seeking points will be reported).
Answer:
1. (a-c)[tex]\sqrt{x}[/tex] + b[tex]\sqrt{y}[/tex]
2. 9m + 2[tex]\sqrt{n}[/tex]
3. 6a
4. (5a - 3b)[tex]\sqrt{5y}[/tex]
Step-by-step explanation:
1. since a and c share the same squareroot x, you can combine these together.
2. First add like terms together. 4m - m + 6m = 9m. Then 5[tex]\sqrt{n}[/tex] and -3[tex]\sqrt{n}[/tex] combined equals 2[tex]\sqrt{n}[/tex]
3. First simplify the square roots. squareroot of 16 is 4. square root of 49 is 7. square root of 81 is 9. They are all multiplied by a in the expression. Thus 4a - 7a + 9a = 6a
4. First simplify the radicals, they are not perfect. square root of 125 is equivalent to sqrt(25 * 5), which sqrt of 25 is 5, but we keep the sqrt of 5. For sqrt of 45, it is the same as sqrt9 * sqrt5. sqrt of 9 is the same as 3 and we keep sqrt 5. Thus we get the below:
5a[tex]\sqrt{5y}[/tex] - 3b[tex]\sqrt{5y}[/tex]
We can combine the two like terms and get the final answer above.
please give thanks by clicking the heart :)
Answer:
1. (a-c)√x + b√y
2. 9m + 2√n
3. 6a
4. (5a - 3b)√5y
Step-by-step explanation:
we only got 35 cus people only get half the points you give
10 = 5
20 = 10
30 = 15
40 = 20
*50 = 25*
Two sides of a triangle are two consecutive number, whose area is 17.5cm². Find the numbers
Answer:
The numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.
Step-by-step explanation:
Two numbers are consecutives, when their difference is equal to 1. The area of the triangle is determined by the following formula:
[tex]A = \frac{1}{2}\cdot n \cdot (n+1)[/tex]
[tex]A = \frac{1}{2}\cdot (n^{2}+n)[/tex]
[tex]A = \frac{n^{2}}{2}+\frac{n}{2}[/tex]
[tex]n^{2}+n = 2\cdot A[/tex]
Where [tex]n[/tex] is the shortest length of the triangle, measured in centimeters.
And we get the following second-order polynomial:
[tex]n^{2}+n -2\cdot A = 0[/tex] (1)
If we know that [tex]A = 17.5\,cm^{2}[/tex], then the shortest length of the triangle is:
[tex]n_{1} = 5.437\,cm[/tex] and [tex]n_{2} \approx -6.437\,cm[/tex]
Since length is a positive variable, the only possible solution is:
[tex]n\approx 5.437\,cm[/tex]
Then, the numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.
Cole averaged 35 points per game in last year's Math Hoops season. This year he has increased his scoring by 30%. What is his new average score per game?
Answer:
45.5 points per gamesl
Step-by-step explanation:
Cole averaged 35 points per game in last year's Math Hoops season. This year he has increased his scoring by 30%. What is his new average score per game?
Step 1
We find how many points the score increase by
The percentage increase = 30%
Hence:
30% × 35 points
= 10.5 points
Step 2
His new average score =
Former score + increase
= 35 + 10.5
= 45.5 points per game
Solve this equation: x/ 4 = 2.25
Answer:
x = 9
Step-by-step explanation:
x/4 = 2.25
9/4 = 2.25
Please give the highest value
brainliest for the most helpful answer helpppp pleaseeee
Answer:
17m
Step-by-step explanation:
a^2+b^2=c^2
there's a character limit so hiii
what is the expression value of 10?
1. (10 + 10) ÷ (5 - 3)
2. 10 + 10 ÷ (5 - 3)
3. (10 + 10) ÷ 5 - 3
4. (10 + 10 ÷ 5) - 3
Answer:
The answer is number 1 because if you put it into a calculator correctly you'll get 10
Answer:
The number one answer is 1. It's all I could say for this one, and I know I have never gotten a one-star rating, because I have always won a 5-star rating, and not one single one-star rating.
Step-by-step explanation:
Look, the answer is 1.
What is the solution of the system of equations? Y=x-4 and y=-3x
Answer:
(-7,-3)
Step-by-step explanation:
step one) solve one equation for x.
y=-3x
-3x/-3=y/-3
x=(-y/3)
step two) plug in x for the other original problem.
y=x-4
y=(-y/3)-4
step three) solve for y.
y=(-y/3)-4
y+4=(-y/3)-4+4
3*(y+4)=(-y/3)*3
3y+12=-y
(3y+12)-3y=-y-3y
12/-4=-4y/-4
y=-3
step four) plug in -3 for y and solve for x.
y=x-4
-3=x+4
-3-4=x+4-4
-7=x
I am in algebra two so you can trust my answer. if you need more help lmk in the comments. happy holidays and stay safe!
Lydia gets kicked out of class twice in 20 minutes. How many times will she get kicked out in 6 hours?
Pop Smoke drops 3 new mixtapes per month. How many years has it been if he drops 45 new tapes?
Answer:
for the first answer : 36
for the second answer : 1 year and 3 months
Step-by-step explanation:
first answer :
ahe gets kicked out 2 times in 20 mins
6 hours = 6 × 60 mins = 360 mins
let the number of times she gets kicked out in 6 hours / 360 mins be "n"
therefore ;
n= (360×2) ÷ 20 = 36
therefore answer is 36 times.
-----------------------------------------------------------------
second answer :
3 new tapes in 1 month
let the number of years be "n"
therefore:
3×12 = tapes per year = 36 tapes per year
so, n = 45÷36 = 1 (as quotient) year and 3 (as remainder) months.
answer : 1 year and 3 months
5. Let's factorize the following numbers and express in exponential form
16
Answer:
2^4
Step-by-step explanation:
16 = 2x2x2x2 = 2 to the power of 4
Answer:
2^4
Step-by-step explanation:
Hope this helped have an amazing day!
PLEASE HELP ME I NEED HELP

Step-by-step explanation:
the question is not clear
What is the answer to the question?
Help help help help me
This is very important (◕દ◕)
9514 1404 393
Answer:
C) √3
Step-by-step explanation:
The repeating decimals are both single digits, beginning at the decimal point. So, their equivalent is that digit divided by 9:
[tex]0.\overline{4}=\dfrac{4}{9}\\\\0.\overline{9}=\dfrac{9}{9}=1[/tex]
This means the given expression can be simplified to ...
[tex]\dfrac{3\sqrt{0.\overline{4}}+\sqrt{0.\overline{9}}}{\sqrt{3}}=\dfrac{3\sqrt{\dfrac{4}{9}}+\sqrt{\dfrac{9}{9}}}{\sqrt{3}}=\dfrac{3\cdot\dfrac{2}{3}+1}{\sqrt{3}}=\dfrac{3}{\sqrt{3}}=\boxed{\sqrt{3}}[/tex]
5{ 10 [6 + 9 ( 57 - 48 ) + 12]}
Answer:
230
Step-by-step explanation:
An airplane flies 444 miles per hour. How far will the train travel in 3 hours?
I’m stuck help me someone
Answer:
8.8
Step-by-step explanation:
Answer:1,332
Step-by-step explanation:
7. Where is most of the Earth’s supply of water found?
A. in rivers
B. in lakes
C. in glaciers and icecaps
D. in the ground
Plz help me out !!! I rlly need u guys to help
Answer1: for every 5 kids there are 9 parents
2 part a: the for every 4 cookies for every 9 sodas that are sold
2 part b:the ratio of cookies to soda is 9:4
3.the ratio of pencils to erasers is 15:7
3: for every 15 pencils there are 7 erasers.
4.The first blank is 2eyes there Are4 legs
Step-by-step explanation:
Answer:
hope this helps :)
Step-by-step explanation:
5 to 9
the number of cookies sold to sodas sold id 9:4
the ratio of erasers to pencils is 15:7
PLEASE COMMENT IF YOU ARE IN 7-12 GRADE AND WANTS TO BE MY ONLINE TUTOR !!!!
Answer:
Comment
Step-by-step explanation:
U~U
