Write two ratios equal to each other :
12/5 = 8/x(second speed)
Cross multiply:
12x = 40
Divide both sides by 12:
X = 3.333 or 3 1/3 km/h
second speed = 3.33 ( as a decimal) or 3 1/3 ( as a fraction) km/h
A speaker is in the shape of a cube with an edge length of 3. 5 inches. The speaker is sold in a package in the shape of a square prism with a base area of 16 square inches and a height of 4. 25 inches.
What is the surface area of the package, in square inches? (number ONLY in the answer, DO NOT ROUND)
Answer: 100 inches
Step-by-step explanation: To solve this you have to know the surface area formula for a square prism which is 2a^2+4ah where a is an edge of the base and h is the height. Since 4.25 is the height, we just have to find a base edge. Since the base has an area of 16 inches and it is a square that has all equal sides, we know the base edge is 4 (4 times 4 =16). Now if you plug 4 in for a and 4.25 in for h, you get 100.
Tell whether the angles are adjacent or vertical. Then find the value of x.
Answer:
Adjacent; x = 15
Step-by-step explanation:
90° is the total for this shape.
4x + 2x = 90
6x = 90
x = 90/6
x = 15
HELPPP WHATS THE AREA
Answer:
i thin 30
Step-by-step explanation:
its 30 i think because AC is 6 and DB is 5 so 6x5=30
2) Rachel wanted to drink exactly three bottles of water each day, so she bought twenty-six
bottles when they were on sale. How many more bottles will she need to buy on the last
day?
Answer:
1
Step-by-step explanation:
Twenty-Six is not a multiple of three so you know it won't be 26. Counting by threes goes 3, 6, 9, 12, 15, 18, 21, 24, 27, 30. Twenty-seven is the closest number to 26 which is higher than 26. Twenty-six + 1 = 27. That means that 1 is the answer.
Answer:
1 bottles and the last day
If f(x)=x-2, what is f¹(x)?
Which statement is true about angles 1 and 2?
Angles 1 and 2 are complementary.
Angles 1 and 2 are vertical.
Angles 1 and 2 are supplementary.
Angles 1 and 2 are adjacent.
Answer:
they are complementary
Step-by-step explanation:
complementary means adding up to 90° and it's true Abt the two angles
What is the formula of alpha
square multiply beta square?
Answer:
Answer. (alpha + beta ) ^2 - 2 × alpha×beta
please mark me as brainlist
***"
Factor. 8lb+ 27c - 150
-
+
-
A. 9(73b + 18c-6d)
B. 3(27b + 9c - 5d)
C. 9(96 + 3c - 150)
D. 6(246 + 4c - 3d)
Answer:
Option B: 3(27b + 9c - 5d)
Step-by-step explanation:
The equation is actually 8lb+ 27c - 15d
A common factor is 3:
3(27b + 9c -5d)
Option B: 3(27b + 9c - 5d)
Eva is showing her work in simplifying (7. 3 – 7. 2) – 3. 8 + 3. 7. In which step did Eva make an error?
Step 1: (7. 3 – 7. 2) – 3. 8 + 3. 7
Step 2: 7. 3 + (–7. 2 – 3. 8) + 3. 7 (commutative property)
Step 3: 7. 3 – 11 + 3. 7
Step 4: 7. 3 + 3. 7 – 11 (commutative property)
Step 5: 11 – 11 = 0
What percentage of your gross earnings is taken by your employer for FICA?
7.9%
5.8%
6.2%
3.2%
Answer:
well non of the answer choices are exact but i would say a/the first one. im not sure but they should add up to about 7.65%.
Step-by-step explanation:
Answer:
So each party – employee and employer – pays 7.65% of their income, for a total FICA contribution of 15.3%. To calculate your FICA tax burden, you can multiply your gross pay by 7.65%:
BUT EACH FICA TAX IS 6.2% Social security and 1.45% respectively
The reason it says 7.65 because it also depends on where you live, but it should be around the 7.65 to 7.9 mark
please hurry yyyyyyyyyyyyyyyyyy!!!!!!!!!!!!!!
Answer:
the answer is c
Step-by-step explanation:
Janet was given $500 by her grandmother to spend on invitations for her wedding. Three invitations cost $10 to print.Which equation can be used to represent y, the amount of money Janet has left after purchasing x wedding invitations?
Answer: y = - 3 [tex]\frac{1}{3}[/tex]x + 500
Step-by-step explanation:
First, we will start off with y = since y is the amount of money left to spend.
Next, we see that three invitations cost $10. $10 / 3 = 3 [tex]\frac{1}{3}[/tex]. One invitation will cost $3 [tex]\frac{1}{3}[/tex]
Lastly, we will create our final equation in slope-intercept form:
y = - 3 [tex]\frac{1}{3}[/tex]x + 500
Side Note: We also could write something like y = -10([tex]\frac{x}{3}[/tex]) + 500 if we did not want to change the cost.
If a = 90÷6, a=?. 90÷6=
A=3
B=10
C=19
D=None of the above.
Answer:
D, none of the above
Step-by-step explanation:
90/6=15, and 15 is not an answer choice
Answer: D
Step-by-step explanation: None of the above. Answer is 15
A triangle has sides of 70,30, and 50. What is the distance around the triangle?
a. 300
b. 150
c. 90
d. 190
Answer:
150
Step-by-step explanation:
You would add up all of the sides and that would be your distance.
Hope this helps!
The graphs below have the same shape. Complete the equation of the red
graph. Enter exponents using the caret (^); for example, enter x as x^2. Do
not include "Fx) =" in your answer.
Answer: translation up by 5 units f(x)= x^2 +5
Step-by-step explanation:
Please help me on this question 20 points
Answer:
[tex]\left[\begin{array}{cc}10\\24\end{array}\right][/tex]
Step-by-step explanation:
Trial and error lol
what is the probability of it raining in mexico?
Answer:
do you want it like this or another way
A tennis match requires that a player win three of five sets to win the match. If a player wins the first two sets, what is the probability that the player wins the match, assuming that each player is equally likely to win each set
Using it's concept, it is found that there is a 0.875 = 87.5% probability that the player wins the match.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
In this problem, these following outcomes result in the player winning the match:
Wins the third set, with 0.5 probability.Loses the third set but wins the fourth, each with 0.5 probability.Loses the third and fourth sets but wins the fifth, each with 0.5 probability.Hence, the probability that he wins the match is given as follows:
p = 0.5 + 0.5² + 0.5³ = 0.875.
More can be learned about probabilities at https://brainly.com/question/14398287
1.1 Calculate the value of L the maximum consumption in category 3
Answer:butt
Step-by-step explanation:guy yes = 10 is yes so 3 = 10 x 10 = 100
You have a car loan to pay for a car the interest rate is 4.5% annually for 6 years, calculate your monthly payment (retail price = 42,295)
Answer:
613
Step-by-step explanation:
42,295*0.045=1,903
42295+1903=44198
6*12=72
44198/72=613
the sum of a two digit number is 8 if the digits are reversed the number is increased by 54 what is this number?
Answer:
26
Step-by-step explanation:
2 + 6 = 8
62 - 8 = 54
guess and check
Patty tosses the coin and rolls the number cube 60 times. Predict how many times the coin will land on heads and the cube will land on an even number
Half of the time, the coin will land on heads and the cube will land on an even number when Patty tosses the coin and rolls the number cube 60 times.
What is binomial probabilities?The binomial probabilities is the experimental probability in which the total number of output values is 2, therefore it is known as binomial probabilities.
The number of independence variable in case of binomial experiments is fixed. Both the two output has the 1/2 chances to occur.
Patty tosses the coin and rolls the number cube 60 times.
For the coin, there are total 120 outcomes for 60 tosses, in which 60 favorable outcomes to land on heads. Thus, the probability the coin will land on heads is,
[tex]P=\dfrac{60}{120}\\P=\dfrac{1}{2}[/tex]
For the number cube, there are total 360 outcomes (6×60) for 60 rolls, in which 180 favorable outcomes (3×60) to land on even number. Thus, the probability the number cube will land on even number is,
[tex]P=\dfrac{180}{360}\\P=\dfrac{1}{2}[/tex]
Hence, half of the time, the coin will land on heads and the cube will land on an even number when Patty tosses the coin and rolls the number cube 60 times.
Learn more about the binomial probability here;
https://brainly.com/question/24756209
#SPJ1
$456 is divided between the telephone and electricity bills in a ratio of 2 : 1. What amount goes to the telephone bill?
what would be a equivalent expression for 2^1/3
Answer:
2^1/3
We need to write the given expression in radical form
to convert expression into radical form we use formula
The denominator n in the fraction comes with the radical
numerator 'm' goes inside the radical
Answer:
[tex]\displaystyle \sqrt[3] 2[/tex]
Step-by-step explanation:
[tex]\dispaystyle \sqrt[m]n = n^{\tfrac 1m}~(m\neq0)[/tex]
A rectangular prism measures 6 m long and 3 m wide. If the volume of the prism is 162 m*, what is the height of the prism
Answer: 9 m
Step-by-step explanation:
Volume of the rectangular prism
V=w*h*l
V=162m^3
162=6*3*h
162=18*h
h= 162/18=9
the height h=9 m
I AM CONFUISED I ONLY GOT 1 MIN TIL MY COMPUTER DIES!!!!
(This only has 1 answer)
You owe some friends $25 and pay them back $18. Which number sentence shows this situation?
25 + 18
-25 + 18
-25 + (-18)
Answer:
-25 + 18
Step-by-step explanation:
its the last one :) good luck !!
Please help me this is 100% urgent
*urgent*
Answer:
D
Step-by-step explanation:
[tex]3(5z-3) = 15z -9[/tex]
Answer:
D. 15x - 9 and 3(5z - 3)
Step-by-step explanation:
5(5c + 4)
distribute 5 to each term:
25c + 4
25c + 4 ≠ 10c + 20 | not equivalent
____________________
3(4e - 2)
distribute 3 to each term:
12e - 6
12e - 6 ≠ 7e - 5 | not equivalent
____________________
4(4h + 6)
distribute 4 to each term:
16h + 24
16h + 24 ≠ 16 + 24h | not equivalent
____________________
3(5z - 3)
distribute 3 to each term:
15z - 9
15z - 9 = 15z - 9 | equivalent
Therefore, option D is the correct answer.
hope this helps!
will give brainliest to first answer+20pts
In the figure shown, what is the measure of angle x?
Triangle ABC has measure of angle BAC equal to 30 degrees and the measure of angle ABC is equal to 75 degrees. The side BC of the triangle is extended till D. The angle ACD is labeled as x.
Answer:
105
Step-by-step explanation:
First find the third angle inside the triangle:
180 - 30 - 75 = 75
Then find x:
180 - 75 = 105
Please help! Problem is below! Will give brainiest if possible!
Answer:
A. x and y switch places and new y-value is the opposite (x,y) becomes (y-x)
Step-by-step explanation:
B went from (-1, 4) to (4, 1) and D went from (2, 1) to (1, -2). It is shown here that the x and y values have switched places, so we can eliminate choices C and D (x and y also did not increase by 4). We can see that both new y-values are the opposite of their original signs, -1 changing to 1, and 2 changing to -2. Option B only implies that the numbers switched places with no indication of the change in sign. If this were true, then B would go from (-1, 4) to (4, -1) and D would go from (2, 1) to (1, 2). Therefore, option A is the answer.
hope this helps!
A table with a round top is cut in half so that it can be used against a wall after it is cut the edge along the wall is 6 feet what is the area of the table after it is cut in half give your answer in terms of pie
Answer:
9π ft²
Step-by-step explanation:
translate to math this is asking you to find the area of HALF of a circle with a diameter of 6 feet.
find the radius, half of the diameter, 3 feet
area of a circle is pi times the radius squared[tex]A=\pi r^{2} \\\A=\pi 3^{2} \\A=\pi 9\\=9\pi ft^{2}[/tex]