Answer:
8
Step-by-step explanation:
8÷10×100
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The distance from the bottom of a ladder to the wall it leans against is one-fourth of the length of the ladder. If the ladder is 12 feet long, how far up the wall will the ladder extend?
Answer:
The ladder will extend 11.6ft up the wall
Wall will the ladder extend 11.6 ft
What is Pythagoras theorem?The Pythagoras theorem states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
Given
Length of the ladder = 12 ft
Distance from the bottom = 1/4 of length of the ladder
= [tex]\frac{1}{4}[/tex] × [tex]12[/tex]
= 3 ft
By using Pythagoras theorem
[tex]12^{2}=x^{2} +3^{2}[/tex]
[tex]x^{2} =144-9[/tex]
[tex]x^{2} =135[/tex]
[tex]x=\sqrt{135}[/tex]
[tex]x=[/tex] ± 11.6 ft
Hence, wall will the ladder extend 11.6 ft.
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ah hurry!
In a bag, you have a strip of paper with the numbers 1-10 written on the strips. If one strip of paper is pulled from the bag and then replaced, what is the probability of the following events:
pick the number 3 and then picking the number 6.
A: 1/100
B: 1/10
C: 3/10
D: 6/10
Answer: A
Step-by-step explanation: 10x10=100
What is the answer to this problem step by step (3+2)^2×7)-13+5^2?
Answer:
187
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightStep-by-step explanation:
Step 1: Define
(3 + 2)² × 7 - 13 + 5²
Step 2: Evaluate
(Parenthesis) Add: 5² × 7 - 13 + 5²Exponents: 25 × 7 - 13 + 25Multiply: 175 - 13 + 25Subtract: 162 + 25Add: 187least common multiple of 9, 12, 18
Answer:
36
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
If 9(x-9) = -11, then x= ?
A. - 92/9
B. -20/9
C. - 11/9
D. -2/9
E. 70/9
What is ghe solution to this equation?
02(x - 20) = 44 - x
The given equation can be solved to obtain x = 40.
What is a Linear equation?A linear equation is a equation that has degree as one.
To find the solution of n unknown quantities n number of equations with n number of variables are required.
The given linear equation can be solved as follows,
0.2(x - 20) = 44 - x
=> 0.2x + x = 44 + 0.2 × 20
=> 1.2x = 48
=> x = 48/1.2
= 40
Hence, the value of x for the given equation is found to be 40.
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The diagram below shows parallelogram ABCD with diagonals AC and BD intersecting at E
What additional Information is sufficient to prove that parallelogram ABCD is also a rhombus?
9514 1404 393
Answer:
D. AC ⊥ BD
Step-by-step explanation:
Given that ABCD is a parallelogram, we already know A (BD bisects AC) and B (AB ║ CD). Statement C (AC ≅ BD) will not be true for a parallelogram or rhombus.
Statement D (AC ⊥ BD) guarantees the parallelogram is a rhombus.
Evaluate the expression when x-6
5x + 3
———-
3
Please explain too! I will give Brainiest
ill give yall sloppy topy if yall answer
Answer:
I'm good but your answer is B. or the Second option among your choice of answers
5/7(14-21x)=115
what is the answer?
Answer:
-7
Step-by-step explanation:
In a right triangle, the length of one leg is 20 units. The length of the other leg is 12 units. What is the length of the hypotenuse?
The required measure of the hypotenuse length is √544. Option D is correct.
In a right triangle, the length of one leg is 20 units. The length of the other leg is 12 units.
What are Pythagorean triplets?In a right-angled triangle, its side, such as hypotenuse, perpendicular, and base is Pythagorean triplets.
Here,
Apply Pythagoras' theorem,
(hypotenuse)² = sum of the square of the legs,
(hypotenuse)² = 20² + 12²
(hypotenuse)² = 544
hypotenuse = √544
Thus, the required measure of the hypotenuse length is √544. Option D is correct.
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Chad is renting a moving van for one day. It costs $20 to rent the van for the day. It also costs $0.60 for each mile the van is driven. Chad uses this model to find the total cost for driving m miles: initial cost + cost for one mile × number of miles Which expression can be used to find the total cost of renting the van?
Answer:
20 + 0.6x
Step-by-step explanation:
Answer:
B (20 + 0.60m)
Step-by-step explanation:
158, 155,152,...
Find the 34th term.
Answer:
56
Step-by-step explanation:
158 - ( 3 * 34) = 56
what is the sum of the interior angles of a polygon that has 16 sides
Identify the number of solutions for the equation below:
Answer:
one solutionStep-by-step explanation:
Given the expression
3 -x = 2+x
We re to find the number of solutions we will have:
Subtract 2 from both sides
3-x-3 = 2+x -3
-x = x -1
subtract x from both sides
-x - x = x - 1 - x
-2x =-1
Divide both sides by -2
-2x/-2 = -1/-2
x = 1/2
Since the value of x is just 1, hence the equation has just one solution.
What is the exponent in the power of 10?
If the measures of two angles of a triangle are 102° and 27°, what is the measure of the third angle?
The measure of the third angle isº
Step-by-step explanation:
therefore the third angle is 51 degrees
PLSSSSSSSS HELLLLLPPPPPPP!! BRAINLIEST FOR CORRECT ANSWER!!!!!!!!!!!!!!Find the amount paid for the loan. $2400 at 10.5% for 5 years
Answer:
3,660
I hope this helped
a shoe store has a sale in which all shoes are priced at $33.00. the original price was $44. what is the percent of discount.
Answer:
44 - 33 = 11
11/44 X 100 = 25%
Step-by-step explanation:
find the difference between the original price and new price (change)
change/original price X 100 = percentage change
Caitlin earns $7.00 an hour doing yard work for her neighbor. She worked 3 hours Friday, 4 hours Saturday, and more hours Sunday. She earned $77.00 for the weekend. How many hours did she do yard work on Sunday?
Answer: 4 hours
Step-by-step explanation:
$77.00 divided by $7.00 = 11 hours
11 hours- 3 hours (Friday)- 4 hours (Saturday)= 4 hours on Sunday
A total of 7 hours worked on Fri. and Sat.
Answer:
Caitlin worked 4 hours on Sunday.
Step-by-step explanation:
The answer is 4 hours because 7.00 multiplied by 7 (Because 3 + 4 = 7) is 49.00 and 77.00 minus 49.00 = 28.00 and since 1 hour = 7.00 and 7.00 multiplied by 4 is 28.00 then the answer must be 4 hours.
P.S Can I have brainliest?
Take your time with this. Just try to help me with this.
Answer:
A.
The y intercept is at 0,550 for the city of Everett. That means that initially the city started out with 550 Chromebooks.
B. y = 50x + 300
Step-by-step explanation:
A.
The y intercept is at 0,550 for the city of Everett. That means that initially the city started out with 550 Chromebooks.
For all the years after is when the line graph goes up which means they are adding to their total number.
B. For the city of Revere, they started out with 300 and are adding 50 Chromebooks every year.
Y represents the total and x is each counting year.
So the equation of the line is represented by y = mx + b
b is any constant which in this case is any initial amount (300)
and m is the rate/change which is the number represented by the value that will go up ever year of x (50)
So plug it all in equals:
y = 50x + 300
plz help me asap i need this
Answer:
67
Step-by-step explanation:
what do I dooooo i dont know how to do dis
Answer:
Concept: Rate of change
Rate of change is always referred to as slope or the change over time Hence it is [tex] \frac{x}{y} [/tex]With x as the change and y as the time Let us fill our the table: Assume that the hourly rate is 10 Hence for 1 hour: total earning= 10For 10 hours: Total Earning= 100For 20 Hours: Total Earnings= 200 Rate brainlistso say if its 4:30 pm now for me, what time will it be in 4 and a half hours? im lazy lolz
Answer:
9:00
Step-by-step explanation:
Are the two ratios equivitant? Explain your reasoning. The ratios of boys to girls is 5 to 2. The ratio of girls to boys is 2:5
Answer:
Yes
Step-by-step explanation:
The order is switched from boys to girls(5 to 2)to girls to boys (2 to 5).
Louis has $300 to spend on a pair of skis. Sales tax is 8.5%
Part A
Decide if each description of a price and discount, plus sales tax, is an amount Louis could pay with the money he has to spend on skis.
Select Less than or equal to $300 or More than $300 for each description
20% off $339
Less than or equal to $300
More than $300
$15 off $310
Less than or equal to $300
More than $300
25% off $365
Less than or equal to $300
More than $300
$20 off $300
Less than or equal to $300
More than $300
Answer:They are all Less Than
Step-by-step explanation:
ashley is 4 years less than 3 times savannahs age. if ashley is 29 years old, how old is savannah? please help!
Answer:
11 years old
Step-by-step explanation:
Let x be Savannah's age
Ahsleys age should be 4 years less than three times Savannah's age
3x (Savannah) - 4 (years)
Then, you make an equation.
29 years old = 3x-4
simplify:
add four on both sides
33=3x
divide by three on both sides
x=11
An online service charges $3 for each downloaded movie, plus a monthly fee of $6,50 Which function represents this
situation?
OY=3x6.50
OY"65073
Oy 3x6.50
OY=650x3
I need bad help.
Answer:
ANSWER
y = 3x + 6.50
EXPLANATION
The $3 for each downloaded movie is the unit rate of change.
This is represent the slope of the linear function that models this situation.
The monthly fee of monthly fee of $6.50 the constant rate.
It represents the y-intercept of the function.
The linear function is given by
y = mx + by=mx+b
The correct choice is y = 3x + 6.50
Answer:
A. Y= 3x6.50
Step-by-step explanation: This is the correct answer, because you can use the process of elimination on answers B and C due to how they are set up. And D is incorrect, because there is no decimal in 650 which is not the correct number in the problem. Therefore, A. Y= $3 for each downloaded movie multiplied by the monthly fee of $6.50 is the correct answer. Hope this helps ^-^.
24a+48=9(2a-4) please
Answer:
a = -14
Step-by-step explanation:
1. distribute
24a + 48 = 9(2a - 4)
24a + 48 = 18a - 36
2. subtract 48 from both sides of the equation
3. simplify
4. subtract 18a from both sides of the equation
5. simplify
6. divide both sides of the equation by the same term
7. simplify
solution: a = -14
hope this helped!
The chemical acidity of a solution is measured in units of pH: pH=-log[H+], where [H+] is the hydrogen ion concentration in the solution. What is [H+] if the pH=8.8?
Answer:
3.5
Step-by-step explanation:
The chemical acidity of a solution is measured in units of pH: pH=-log[H+], where [H+] is the hydrogen ion concentration in the solution. 1.58 x 10⁻⁹ is [H+] if the pH=8.8.
What do you mean by pH ?The term pH is defined as the negative logarithm of the [H+] hydrogen ion.
The isolated hydrogen ion, represented by the symbol H+, hence it is used to represent a proton. Because the bare nucleus can readily combine with other particles like electrons, atoms, and molecules, the hydrogen ion.
The formula for calculating [H+] hydrogen ion is as follows:
pH = - log[H+]
Given pH = 8.8
8.8 = - log[H+]
-8.8 = log[H+]
Taking Antilogarithm Both side
Antilog of [-8.8] = [H ]
By solving above expression [H+]
= 1.58 x 10⁻⁹
Thus, 1.58 x 10⁻⁹ is [H+] if the pH=8.8.
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