In direct variation y = kx. What is the value of k if y = 20 and x = 4 ?
A textbook store sold a combined total of 411 psychology and history textbooks in a week. The number of history textbooks sold was 69 less than the number of
psychology textbooks sold. How many textbooks of each type were sold?
Answer:
Step-by-step explanation:
h and p are the number of history and psych textbooks, respectively.
store sold a total of 411 textbooks in a week.
h + p = 411
The number of history textbooks sold was 69 less than the number of psychology textbooks sold.
h = p - 69
Substitution
(p-69) + p = 411
2p = 411+69
p = 240
h = p-69 = 171
171 history books and 250 psych books
The sum of two numbers is 41. The larger number is 21 more than the smaller number. What are the numbers?
Please help!
Answer:
srry its 31 and 10
Step-by-step explanation:
the numbers are 20 and 21
Hope I helped! :)
HELP FOR BRAINLESS !!!!
Answer:
the blue one
Step-by-step explanation:
True or False: When a preimage rotates 1/4
around an origin, the rotation is a 180 degree
turn.
Answer:
True :)
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
got it right
Use technology to find the line of best fit for the following data.
(−7,1), (2,9), (0,7), (−3,5), (−8,−2), (−1,2), (−6,−1), (−5,0), (0,5), (1,7), (−4,2), (3,7)
When the equation of the line is in the form y=mx+b, what is the value of m?
Enter your answer as a decimal rounded to the nearest tenths place, like this: 42.5
Answer:
m=0.9
Step-by-step explanation:
What is the solution of the equation? √2x – 5+ 4 = x
Answer:
2x−1
Step-by-step explanation:
plsss helppp brainkeistt reward
Answer:
1. D
2. B
3. A
4. B
PLEASE HELP ME I AM BEING TIMED, I WILL MARK BRAINLIEST FOR WHOEVER GETS THIS RIGHT, WITH AN EXTRA 10 POINTS.
Answer:
Yes table 1 is
not proportional for table 2
Step-by-step explanation:
6 for table 1
nothing for table 2
Jack is selling used computers. he is paid $15/h plus a 5% commission on sales. What dollar amount of computer sales must jack make to earn $1000 in a 40-h work week.
Answer:
8000
Step-by-step explanation:
Jack sold worth $8000 computer sales in the last week.
What is the percentage?A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.
Given, Jack is selling used computers. He is paid $15/h plus a 5% commission on sales.
He made $1000 in a 40-h week,
∴ He made $(15×40) = $600 for his work hours and $(1000 - 600)
= $400.
So, $400 dollars in 5% of the total sales and assuming he made a sell of $x.
∴ (5/100)×x = 400.
0.05x = 400.
x = 400/0.05.
x = 8000.
learn more about percentages here :
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Solve by using substitution.
=3−8
=−4
Answer:
I'm going to assume that you meant y=3x-8 and y=-4
This means that you would substitute -4 into the spot of y which gives you -4=3x-8. Once solved you would receive x=4/3.
Hope I helped have a nice day :)
A die is rolled 600 times with the following results: It landed on one—102 times, two—97 times, three—100 times, four—105 times, five—92 times. What is the empirical probability of rolling an odd number?
Answer:
-496 and the odd number between -97 and -105
Is this SOH, CAH, or TOA? Explain why you’re correct.
Answer:
Step-by-step explanation:
If you're referring to angle B then it's SOH
Opposite is 5 and Hypontenuse is 7
ace please help help
Answer: A
HOPE THIS HELPS
Hey guys, could someone please help me answer question 3 (use the graph) ASAP and also I would like the working out~
thxx✨
Answer:
B. 5.6%
Step-by-step explanation:
Add all the visitors up which equals 4215.5 and do 236.9 divided by 4215.5 and you get 0.056 which converted to a percentage equals 5.6%. Hope this helps.
Pls, help me with this question
Answer:
37.5
Step-by-step explanation:
∠ABC (x) is an inscribed angle with arc AC being the arc it intercepts
An inscribed angle is equal to half the measure of its intercepted arc.
If arc AC = 75
Then x = [tex]75\frac{1}{2}[/tex]
75 / 2 = 37.5
Hence, x = 37.5
R and S represent positive integers on a number line and R
Answer:
D u got it right if thats wrong then its C
Step-by-step explanation:
MRK ME BRAINLIEST PLZZZZZZZZZZZZZZZZZZ
Answer:
The answer is c. I know the rest of the problem, I have done this before. The full question is:R and S represent positive integers on a number line
and R<S. Which of the following could be the
positions of R and S ? Both R and S is on the right of 0, and R is behind S.
Step-by-step explanation:
Mikey has a bag that contains 8 green jelly beans, 7 red jelly beans and 2 yellow jelly beans. Which best describes the likelihood that Mikey will reach in without looking and select a yellow jelly bean?
A. Likely
B. Impossible
C. Certain
D. Unlikely
Answer:
unlikely
Step-by-step explanation:
Find the Mean of the set of data: 4. 2. 6. 8. 5. 5
Answer: 30 / 6
=5
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
step by step explanation
Which side lengths form a right triangle? Choose all that apply. 5, the square root of 8, 33 or 8,15,17 or the square root of 2, the square root of 2, 2
Answer:
17² = 15² + 8²
2² = (√2)² + (√2)²
Step-by-step explanation:
A triangle is a polygon with three sides and three angles. There are different types of triangles such as right angled, acute, obtuse and isosceles triangle.
In right angle triangle, one angle is 90°. From Pythagoras theorem, the square of the longest side (hypotenuse) is equal to the sum of the square of the two sides. Hence:
33² ≠ (√8)² + 5² (not right triangle)
17² = 15² + 8² (right triangle)
2² = (√2)² + (√2)² (right triangle)
ressions, Equations, and Relationships - Readines
What is the approximate value of x in this equation?
6x + 14 = 7 - X
Answer:
x=-3
Step-by-step explanation:
What is the value of y for the point with an x-value of 5?
A car travels a distance of 500 km in a time of 5 hours.
What is the car's average speed?
Answer:
100km/h
Step-by-step explanation:
The formula for speed is:
v = x / d = 500/5 = 100km/h
maths geometry quadrilateral
Answer:
What’s the question?
Step-by-step explanation:
Help me plz and show work <3
Divide 750 into the ratio 2:3
Answer:
300 : 450
Step-by-step explanation:
sum the parts of the ratio, 2 + 3 = 5 parts
Divide 750 by 5 to find the value of one part of the ratio
750 ÷ 5 = 150 ← value of 1 part of the ratio , then
2 parts = 2 × 150 = 300
3 parts = 3 × 150 = 450
Then 750 in the ratio 2 : 3 = 300 : 450
The required answer is 750 in the ratio 2 : 3 = 300 : 450.
What is Ratio?The ratio is defined as a relationship between two quantities, it is expressed as one divided by the other.
We have to divide 750 into the ratio 2:3
The ratio is given in the question
⇒ 2:3
We can see that the sum of the parts of the given ratio as
⇒ 2 + 3 = 5 parts
Divide 750 by 5 to determine the value of one part of the ratio
So the value of 1st part of the ratio
⇒ 750 ÷ 5 = 150
Now, 2nd parts = 2 × 150 = 300
And, 3rd parts = 3 × 150 = 450
So, 750 in the ratio 2 : 3 = 300 : 450
Therefore, the required answer is 750 in the ratio 2 : 3 = 300 : 450.
To learn more about the Ratio click here:
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Manuel wants to replace the wooden floor at his gym. The floor is in the shape of a rectangle. Its length is 50 feet and its width is 25 feet. Suppose wood flooring costs $8 for each square foot. How much will the wood flooring cost for the floor?
Answer:
$ 10,000
Step-by-step explanation:
Manuel wants to replace the wooden floor at his gym. The floor is in the shape of a rectangle. Its length is 50 feet and its width is 25 feet.
The gym floor is shaped like a rectangle
Area of a rectangle = Length × Width
= 50 feet × 25 feet
= 1250 ft²
Suppose wood flooring costs $8 for each square foot.
The wood flooring cost for the floor is calculated as
1 ft² = $8
1250ft² = x
Cross Multiply
1250 ft² × $8
$ 10,000
The wood flooring cost for the floor is $10,000
Anybody know this. Kinda need help
Answer:
[tex]g(x) = {(3x)}^{2} [/tex]
What is the quadratic equation if the zeroes of the function are -2 and 6?
a) 2x^2+4x-12=0
b) x^2-4x-12=0
c) x^2+4x-12=0
d) 2x^2-4x-12=0
Answer:
B.
Step-by-step explanation:
x = -2 or x = 6
(x + 2) or (x - 6)
(x+2)(x-6)
X² - 4x - 12 = 0
Jane's dance recital started at 1:17 PM. It ended at 5:34 PM. How long did the recital last?
Answer:
the recital lasted 4 hours and 17 minutes
Answer:
4 hours 17 minutes
Step-by-step explanation:
5.34-1.17