Answer:
C. 33%
Step-by-step explanation:
Theres a total of 15 cows
10+5=15
We know that 5 of those 15 cows are brown.
5 divided by 15=0.334
Dan can spread mulch in 12 hours. If Jessica helps, it takes them
2 hours. Without help, how long would it take Jessica to do this job?
Answer:
uh 14
Step-by-step explanation:
i did really just add 12+2
hope it help :)
Amelia purchased a new mattress when it was on sale. The sale price was 30% less than the regular price. If the sale price was $353, what was the original price? (Round your answer to the nearest dollar).
Answer:
The original price was $504.
Step-by-step explanation:
$353 represents 100% - 30% = 70% of the original cost.
353 / 70% = $504.28
The original price was; $504.
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.
We are Given that Amelia purchased a new mattress when it was on sale. The sale price was 30% less than the regular price. If the sale price was $353.
Therefore, 100% - 30% = 70%
$353 represents 70% of the original cost.
Noe, we have;
353 / 70% = $504.28
Learn more about the unitary method, please visit the link given below;
https://brainly.com/question/23423168
#SPJ2
3/4 x 8/8 in simplest form
Answer:
3/4
Step-by-step explanation:
8/8=1
3/4 is it.
Given that kx^2 + hx - 4 = 0 has no roots. Find the ranges of value of k
Answer:
The ranges of value of k are values larger than 0 and lower than 16.
Step-by-step explanation:
Suppose we have a second order polynomial in the following format:
[tex]ax^2 + bx + c = 0, a \neq 0[/tex]
It will have no roots if:
[tex]\Delta = b^2 - 4ac < 0[/tex]
In this question, we have that:
[tex]hx^2 + hx - 4 = 0[/tex]
So, the coefficients are:
[tex]a = h, b = h, c = -4[/tex]
Then
[tex]\Delta < 0[/tex]
[tex]b^2 - 4ac < 0[/tex]
[tex]h^2 - 16h < 0[/tex]
A quadratic function, with a positive(as is 1 in this inequality), will be negative between it's roots.
The roots are:
[tex]h^2 - 16h = 0[/tex]
[tex]h(h - 16) = 0[/tex]
So
h = 0 or h = 16.
The ranes of value of k are values larger than 0 and lower than 16.
Factor f(x)=x2−8x+16
(A) (x−4)2
(B) (x+8)2
(C) (x−8)2
(D) (x+4)2
Answer:
A
Step-by-step explanation:
(x-4)^2 = x^2 -4x -4x + (-4)*(-4)
= x^2-8x+16 as required
can someone help me pretty pls
Answer:
Left to right: Zoe, Johana, Kami, Craig
Step-by-step explanation:
The values of x can be found by solving each of the equations.
A) x/-12 -2 = -22 ⇒ x = -12(-22 +2) = 240 . . . (first step: add 2)
B) 3x -21 = 15 ⇒ x = (15 +21)/3 = 12
C) -12x +2 = -22 ⇒ x = (-22 -2)/-12 = 2 . . . (first step: subtract 2)
D) 1/2x +66 = 126 ⇒ x = 2(126 -66) = 120
__
Zoe's equation requires adding 2 as the first step. It is equation A.
Craig's equation's solution is half that of Zoe's. 240/2 = 120. Craig's is equation D.
Kami's equation requires subtracting 2 as the first step. It is equation C.
Johana's equation's solution is 6 times that of Kami's. 6·2 = 12. Johana's is equation B.
The names that go in the blanks, left-to-right, are ...
Zoe, Johana, Kami, Craig
i-Ready Which kind of triangle is shown? equilateral triangle acute triangle right triangle obtuse triangle
Answer:
right triangle
Step-by-step explanation:
Notice it has a right angle (90º) in its corner. Therefore, it is a right triangle.
Right triangles look like this: ⊿
The kind of triangle shown in the image is: right triangle.
What is a Right Triangle?A right triangle is a triangle that has a right angle, which measures 90 degrees.For right triangles, the right angle is often indicated with a rectangular box at a corner.Thus, the image shows the triangle has a right angle.
Therefore, the kind of triangle shown in the image is: right triangle.
Learn more about right triangles on:
https://brainly.com/question/2437195
Find the simple interest on 5,000 at 8 p.c.p.a. for 219 days.
(A) 320 (B) 240
(C) 160 (D) 80
Answer:
B
Step-by-step explanation:
Average Number of days in year = [(3×365)+ 366]÷4
= 365.25 days per year
If there are 365.25 days in a year,
1 day will be 1/365.25 of a year
Therefore, 219 days will be
219/365.25 of a year
Simple Interest = Principal × Interest Rate× Time
= (5000 × 8 × 219)÷(100×365.25)
= 240
goran spent $38 on fruit at the grocey store.He spent a total of 40$ at the store.what percentage of the total he spend of the fruit
PLEASE HELP DUE
Brian bought 11 pounds of sugar for $7. How many dollars did he pay per pound of sugar?
Answer:
7 / 11
0.64 cents per pound of sugar
What is the exact value that is 43% of 2302?
Answer: 873.76
First find 1% of 2302 which will be 2302/100=23.02
to find 43% of 2302 multiply 1% of 2302 with 43
43*23.02 = 873.76
A family has two cars. The first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. During
one particular week, the two cars went a combined total of 1325 miles, for a total gas consumption of 75 gallons. How many gallons were consumed by each of
the two cars that week?
Answer:
The [tex]20[/tex] mile-per-gallon car consumed [tex]40[/tex] gallons, whereasThe [tex]15[/tex] mile-per-gallon car consumed [tex]35[/tex] gallons.Step-by-step explanation:
Assume that the [tex]20[/tex] mile-per-gallon car consumed all that [tex]75[/tex] gallons of fuel. How far would the cars have travelled?
[tex]20 \times 75 = 1500\; \text{miles}[/tex].
This assumption overestimated the total mileage of the two cars by [tex]1500 - 1325 = 175\; \text{miles}[/tex]. Here's why: for every gallon that the second ([tex]15[/tex] mile-per-gallon) car consumed, this assumption would overestimate the total mileage by [tex]20 - 15 = 5\; \text{miles}[/tex]. Therefore, the overestimation of [tex]175\; \text{miles}[/tex] corresponds to:
[tex]\begin{aligned} & 175\; \text{miles overestimated} \\ & \times \left(\frac{1\; \text{gallon consumed by the second car}}{5\; \text{miles overestimated}}\right)\\ &= \frac{175}{5}\; \text{gallons consumed by the second car} \\ &= 35\; \text{gallons consumed by the second car}\end{aligned}[/tex].
Therefore, the second car consumed [tex]35\; \text{gallons}[/tex]. The first car would have consumed [tex]75 - 35 = 40\; \text{gallons}[/tex].
Verify the results: [tex]40 \times 20 + 35\times 15 = 1325\; \text{miles}[/tex].
y=$1.25x + $5.00 what is the total cost of service for the month if you stream 5 videos
Answer: $11.25
Step-by-step explanation:
Answer:
$11.25
Step-by-step explanation:
I assume that x = the 5 videos streamed
5*1.25=6.25
6.25+5 =11.25
y=$11.25
A shoe store sold 30 pairs of tennis shoes in stock. One week they had a sale and sold 8/10 of the shoes. How many pairs of tennis shoes did they sell that week ? Please give me the answer and the multiplication number model !
Answer:
24
Step-by-step explanation:
simplify 8/10 into 2/5 then 2/5 of 30 is 24
NEED ALGEBRA HELP!
Pls help I will do anything :(
How much do 15 DVDs cost at the store with the lowest unit price?
Bernie's Bargains 6 DVDs for $56.70
Greg's Giveaways 10 DVDs for $99.70
Stan's Steals 8 DVDs for $79.68
Answer:
Total cost= $141.75
Step-by-step explanation:
Giving the following information:
Bernie's Bargains 6 DVDs for $56.70
Greg's Giveaways 10 DVDs for $99.70
Stan's Steals 8 DVDs for $79.68
First, we need to determine the unitary price of each and choose the lowest one:
Bernie= 56.7/6= $9.45
Greg= 99.7/10= $9.7
Stan= 79.68/8= $9.96
The lowest price is $9.45.
Now, the total cost of 15 DVDs:
Total cost= 9.45*15
Total cost= $141.75
Answer:
149.25
Step-by-step explanation:
What is the fraction
Answer:
what fraction ??
Step-by-step explanation:
I don't see the problem
help meh please thank you.
Answer:
a
Step-by-step explanation:
15 minutes can save you 15% more on car insurance
Answer:
you forgot the or
Step-by-step explanation:
15 minutes can save you 15% OR more on car insurance
You can buy five cans for green beans at the village market for $2.20 you can buy 10 of the same cans of beans at Sam’s Club for $5.30 which place is better
Answer:
The village market is better than Sam's Club
Step-by-step explanation:
If you buy 5 more cans of green beans at the village, it will cost $4.40 in total. Therefore if you go buy the beans at Sam's club, the village one will be cheaper.
select all equations that are true when x is -4
Answer: A, C, and D
Step-by-step explanation:
Substitute -4 for X and solve
Solve
12 (8 – 4) =
Q 42
o 144
102
48
The average price of a gallon of gas in California is 160% the national average. If the national average is $2.60, what is the average price of a gallon of gas in California?
Answer:
4.16
Step-by-step explanation:
160%=1.6
1.6 times 2.6 =4.16
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 56 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean µ = 56 tons and standard deviation Ï = 1.1 ton.
Required:
a. What is the probability that one car chosen at random will have less than 49.5 tons of coal?
b. What is the probability that 35 cars chosen at random will have a mean load weight of less than 49.5 tons of coal?
Answer:
a) 0% probability that one car chosen at random will have less than 49.5 tons of coal
b) 0% probability that 35 cars chosen at random will have a mean load weight of less than 49.5 tons of coal
Step-by-step explanation:
To solve this question, we need to understand the normal probability distribution and the central limit theorem.
Normal probability distribution
When the distribution is normal, we use the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
In this question, we have that:
[tex]\mu = 56, \sigma = 1.1[/tex]
a. What is the probability that one car chosen at random will have less than 49.5 tons of coal?
This is the pvalue of Z when X = 49.5. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{49.5 - 56}{1.1}[/tex]
[tex]Z = -5.9[/tex]
[tex]Z = -5.9[/tex] has a pvalue of 0
So 0% probability that one car chosen at random will have less than 49.5 tons of coal.
b. What is the probability that 35 cars chosen at random will have a mean load weight of less than 49.5 tons of coal?
Now we have [tex]n = 35[/tex], applying the Central limit theorem [tex]s = \frac{1.1}{\sqrt{35}} = 0.1859[/tex]
This is the pvalue of Z when X = 49.5. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
By the Central Limit Theorem
[tex]Z = \frac{X - \mu}{s}[/tex]
[tex]Z = \frac{49.5 - 56}{0.1859}[/tex]
[tex]Z = -35[/tex]
[tex]Z = -35[/tex] has a pvalue of 0
So 0% probability that 35 cars chosen at random will have a mean load weight of less than 49.5 tons of coal
Alejandro835 trying to do a 1v1 in rl?
Answer:
NO
Step-by-step explanation:
Write an equation of the line below
Answer:
slope is 2 and equation of the line is, y=2x-4
Determine the value of to the nearest tenth.
0
26
Answer:
0.3
Step-by-step explanation:
0.26?
0.3
The driving distance between Denver
and Chicago along Interstate 80 is
about 1020 miles. About how long
would it take to drive that distance
at 60 miles per hour?
Answer:
17
Step-by-step explanation:
divide 1020 by 60
1020 ÷ 60 = 17
meaning that you go 17 mph
Answer:
17 hours.
Step-by-step explanation:
Formula
d = r * t
Givens
t = ?
d = 1020 miles
r = 60 miles per hour
Solution
1020 = 60 * t Divide by 60
1020/60 = t
17 hours.
You only have to answer the last question, number 12 and I will mark brainliest.
The Checkered Cab Company charges a flat rate of $1.75 flat rate in addition to $0.65 per mile. Mandy has no more than $12.00 to spend on a cab ride. Write an inequality to represent the situation. How many miles can Mandy travel without exceeding her limit?
(a) State the inequality, and then
(b) state the answer. Round the answer to the nearest mile.
Let x = number of miles
Think: Flat rate + Cost per mile is no more than $12 ik
Answer:
12≥0.65x+1.75
x=15
Step-by-step explanation:
flat rate:1.75
plus
0.65 dollars per mile
max amount is 12 dollars
12≥0.65x+1.75
is the inequality.
now lets solve it
0.65x+1.75≤12
Subtract 1.75 from both sides.
0.65x≤10.25
Divide both sides by 0.65.
x≤15.769231
now round nearest mile.
15 miles is the maximum amount because if Mandy traveled 16 miles Mandy would have to pay over 12 dollar amount.