Answer:
b
Step-by-step explanation:
Multiply (2x + y = 20) by 5 and you get
Answer:
10x +5y = 100
Step-by-step explanation:
Ig not sure
Silvio works at a car wash. He earns $50 per day and $12 per car washed. Silvio wants to earn at least $158 in 1 day.
Which inequality represents the number of cars (C) Silvio must wash to reach his goal?
Answer:
50+12x≥158
Step-by-step explanation:
starting with $50, adding $12 for every car washed (x), must be at least, but can be greater than, $158.
The required inequality for Silvio to earn more than $158 in one day is, $50 + 12x ≥ 158.
Given that,
Silvio works at a car wash. He earns $50 per day and $12 per car washed. Silvio wants to earn at least $158 in 1 day.
To determine the inequality represents the number of cars (C) Silvio must wash to reach his goal.
Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.
Here,
Let the number of cars washed by Silvio be x,
According to the question,
Silvio works at a car wash. He earns $50 per day and $12 per car washed.
Total earning of the day = $50 + 12x
Silvio wants to earn at least $158 in 1 day. So, his total earnings of the day must be greater equal to $158.
$50 + 12x ≥ 158.
Thus, the required inequality for Silvio to earn more than $158 in one day is, $50 + 12x ≥ 158.
Learn more about inequality here:
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1) Laurie makes a large pot of soup. She
divides it evenly among 8 of her friends.
How much of the soup does each friend
get?
Step-by-step explanation:
1/8. 1 pot divided by 8 people is 1/8
I think 1/8 is the answer.
Hope this answer is correct! :)
0.9d-2.1f
Helpp!!❗‼️
Step-by-step explanation:
0.9(17) -2.7(3) =
15.3-8.1
=7.2
x2+7x+12=0 please help
Answer:
x has the values -4 and -3
Step-by-step explanation:
x² + 7x + 12 = 0
x² + 3x + 4x + 12 = 0
x(x + 3) + 4(x + 3) = 0
(x + 4)(x + 3) = 0
2(b+c) please help me with this question.
Answer:
2b + 2c
Step-by-step explanation:
Use distributive property: 2b + 2c
______________________________
1.) Use distributive property to multiply:[tex]2[/tex] × [tex]b=2b[/tex][tex]2[/tex] × [tex]c=2c[/tex]
So your answer is [tex]\bold{2b+2c}[/tex].
______________________________
A university has 40,140 students. In a random sample of 210 students, 14 speak three or more languages. Predict the number of students at the university who speak three or more languages.
Answer:
2676 students
Step-by-step explanation:
Total number of students =. 40,140
During study:
Sample size = 210
Number of samples who speak 3 or more languages = 14
Proportion who speak 3 or more languages :
14 / 210 = 0.0666666
Applying the proportion to the total. Population :
0.0666666 * total number of students
0.0666666 * 40140
= 2675.997324
= approximately 2676 students
PLEASE HELP! I WILL MARK BRAINLIEST IF CORRECT!
The chart below displays information regarding the number of picture frames sold by a store in a given month.
According to the chart, what fraction of the frames sold during the four-month period were sold in march? Hint: Determine the total number of frames sold and then write a fraction with March/total and simplify.
a. 3/10
b. 1/4
c. 1/5
d. 1/6
e. 1/10
Answer:
1/4
Step-by-step explanation:
Calculate the frames of each month:
January = 350
February = 100
March = 250
April = 300
Solve
[tex]\frac{March}{Total} = \frac{250}{350 + 100 + 250 + 300} = \frac{250}{1000}[/tex]
Simplify
[tex]\frac{250}{1000} = \frac{25}{100}= \frac{1}{4}[/tex]
1. Determine the scale factor of the given dilation from point O
(image : pre-image)?
A) 3 : 2 B) 1.5 : 1 C) 5 : 2 D) 2 : 3
Answer: B
Step-by-step explanation:
What is the volume (in terms of pi) for a cylinder with a radius of 3 inches
and height of 9 inches?
NEED HELP!!!!
Answer:
254.469
Step-by-step explanation:
Formula for Volume of Cylinder: V=πr²h
Evaluate ∛-512 Use pencil and paper. Explain how you can check that your result is correct. Show your work.
nothing (Type an integer or a simplified fraction.)
Answer:
3√512 = 8
Step-by-step explanation:
Step 1: Find the prime factors of 512
512 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
Step 2: Pair the factors of 512 in a group of three, such that they form cubes.
512 = (2 × 2 × 2) × (2 × 2 × 2) × (2 × 2 × 2)
512 = 23 × 23 × 23
Using the law of exponent, we get;
512 = 29 [am.an = (a)m+n]
Or
512 = (23)3 [(am)n = amn]
512 = 83
Step 3: Now, we will apply cube root on both the sides to take out the factor (in cubes) as a single term.
3√512 = 3√(83)
So, here the cube root is eliminated by the cube of 8.
Hence, 3√512 = 8
what is the diameter of a pond with a area of 4069.44
Answer:
72
Step-by-step explanation:
Formula: A= 3.14r^2
4069.44^2 = 3.14r^2
(divide both sides by 3.14)
1296=r^2
(find sqr root of 1296)
36=r
to find the diameter with the radius, multiply radius by 2... 36*2= 72
The diameter of a pond with an area of 4069.44^2 is 72!
Hope this helps anyone :)
3x-38=28 solve for X
Answer:
Answer:22
Step-by-step explanation:
Answer:
x=22
Step-by-step explanation:
add 38 to both sides
you'll have 3x=66 after adding
then divide both sides by three so have x by itself and you'll get
x=22
Can you show work for 8.01/0.9
Answer:8.01/0.9=8.9
Step-by-step explanation:
2.
Find the slope of the line.
A. 0
B. -2
C. Undefined
D. 2
Answer:
A. 0
Step-by-step explanation:
2-2/4-(-5)=0/9
Answer:
Answer: Undefined
Step-by-step explanation:
Its undefined because the line is vertical. This is also why the answer isnt zero.
Hope this helps (:
This is my last question if you understand this please answer my question.
Answer:
3. reflective property
4.AE=CE
5.<AED=<CED 5.SSS congruence
find the radius of each circle with the given dimensions. d = 29 m
Answer:
14.5
Step-by-step explanation:
The radius is half the diameter.
29/2=14.5
PLEASE HELP!!!!!!!!Drag the number cards to create a correct sentence
The sequence that fulfills all the conditions is 4% of 250 = 10.
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.
From the table and a bit of thinking, we can construct a sequence that has whole value and percentage value as integers.
After trying with different sequences and by hit and trial we found a sequence that is,
4% of 250 = 10 which fills all the conditions.
learn more about percentages here :
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I’m very confused please help!
Answer:
x=2, y=-2
Step-by-step explanation:
Someone please help at your earliest convenience I would really appreciate it.
Answer:
Step-by-step explanation:
Let the equation is, y = x² + bx + c
Here, b = Sum of the roots
And c = multiplication of the roots
Roots of the equation are (5 + 2i) and (5 - 2i).
Step 1,
Sum of the roots 'b' = (5 + 2i) + 95 - 2i)
b = 10
Step 2,
Multiplication of the given roots = (5 - 2i)(5 + 2i)
= 5² - (2i)²
= 25 + 4
= 29
Step 3
Therefore, equation of the quadratic function will be,
y = x² + 10x + 29
What is the probability of spinning a odd number, flipping heads, then spinning a 3?
Answer:
Probability of spinning a odd number is 5/9
I don't know about flipping head
Probability of spinning a 3 is 1/9
=========================================================
Explanation:
The sample space of the spinner is {1,2,3,4,5,6,7,8,9} which represents all the possible outcomes. We can only pick one of those values. Of that list, the subset {1,3,5,7,9} represents all the odd numbers. This is the event space because we want to land on an odd number.
There are 5 items in the event space and 9 items in the sample space. The probability of getting an odd number is 5/9.
The probability of flipping heads is 1/2 since we have one side we want (heads) out of two sides total.
Lastly, the probability of landing on a '3' is 1/9 because there's only one '3' out of 9 values total.
---------
We'll multiply those fractions to get the final answer. This works because each event is independent of one another.
(5/9)*(1/2)*(1/9) = (5*1*1)/(9*2*9) = 5/162
Now use your calculator to find that: 5/162 = 0.030864 approximately which rounds to 0.0 or just 0 when rounding to the nearest tenth.
Unfortunately this is one case where rounding will creates a misleading result. The true probability isn't 0 because the events described are possible. The probability is just really small.
(9+10+1/1+1(1)-21+20)/2
Answer:
10
Step-by-step explanation:
(9 + 10+ 1/1 + 1(1) - 21 + 20) / 2
(9 + 10 + 1 + 1 -21 +20) /2
(21 - 21 + 20) /2
(20) / 2
10
Hope this helps
PLZ MARK BRAINLIEST
The amount of money, y, pizzeria K makes by selling x pizzas can be modeled by the equation y = 13x. The relationship of the amount of money pizzeria L makes is shown in the following graph. Which pizzeria makes more money per pizza?
Answer:
Step-by-step explanation:
Complete Question:
The amount of money, y, pizzeria W makes by selling x pizzas can be modeled by the equation y = 15x. The relationship of the amount of money pizzeria L makes is shown in the following graph.
Which pizzeria makes more money per pizza?
A. Pizzeria L makes more money per pizza.
B. Pizzeria W makes more money per pizza.
C. They make the same amount per pizza.
Answer:
B. Pizzeria W makes more money per pizza.
Step-by-step explanation:
The proportional relationship showing how amount of money made(y) is related to the amount of pizzas sold (x) for pizzeria W is given by the equation y = 15x.
the constant of proportionality/unit rate, k = 15.
This represents the amount in dollars, made per pizza.
So, Pizzeria W makes $15 per pizza.
For Pizzeria L, using any point on the line, say, (2, 24),
k = y/x = 24/2 = 12.
This represents the unit rate, which is the amount Pizzeria L makes per pizza.
Thus, Pizzeria L makes $12 per pizza.
We can conclude that, Pizzeria W makes more money per pizza.
Answer:
L
Step-by-step explanation:
mich buys bicycles for $38 and sells them for $95. What is the percent of increase in the price?
Answer:
57 dollars
Step-by-step explanation:
-3(4x + 5)
Simplify expression
GIVING BRAINLIEST please answer: Carly and Carter are comparing bedrooms. They are each getting new carpet and are trying to figure out which room will be the most expensive to cover with carpet. (The rooms are both rectangular) Carly's bedroom is 12.3 ft. long and 6.9 ft. wide. Carter's bedroom is 10.4 ft. long and 8.2 ft. wide. Which bedroom will be the most expensive to cover with carpet? Explain your process for figuring out the area of the floor for each bedroom and determining your answer.
Answer:
Carter's bedroom
Step-by-step explanation:
Carley's bedroom :12.3 x 6.9 = 84.87 sq feet
Carter's bedroom : 10.4 x 8.2 = 85.28 sq feet
Answer:
Step-by-step explanation:
Carley's bedroom :12.3 x 6.9 = 84.87 sq feet
Carter's bedroom : 10.4 x 8.2 = 85.28 sq feet
X^2-x-56=0
How do you use the zero product property to solve this?
Answer:
(x - 8) (x + 7)
x = 8 or x = -7
Answer: I don't know lol
Justin bought 3 shirts for $18 each, 2 pair of socks for $3.99 a pair, and a pair of
slacks for $45.00. The sales tax rate is 8.5%. How much did he pay?
can you kindly help me out please?!
Answer:
32h^7
Step-by-step explanation:
(4h^4)3=64h^12
64h^12/2h^5=
32h^12/2h^5=32h^7
Hope this helps :)
Can someone help me? I beg.