2×(4×3)?24
4×3=12
12×2=24
(2×4)×3=24
10h + 3y + 6 -4h -y -2 simplified
Answer:
6 h + 2 y + 4 is your answer
Step-by-step explanation:
Hope this helps! :)
Answer:
6h+2y+4
Step-by-step explanation:
so all you do is just subtract common factors so for 10h you just do 10h -4h and get 6h and do that for the rest
On a map, the scale is 1 inch to 400 miles. If the
trip from Corpus Christi to El Paso is 600 miles,
how far apart will those cities appear on the map
(in inches)?
Answer:
B. 1.5 inches
Step-by-step explanation:
600/400=3/2=1.5
Diane sells candles online and ships them to her customers. Each candle weighs 1.5 pounds. When a customer orders more than one candle, Diane ships all of the customer's candles in one box. She weighs the box to determine shipping cost. This table shows the weight per shipment. Choose ALL amounts that could be added to this table. A) 4.5 B) 5 C) 6 D) 6.5 E) 7
Answer:4.5 and 6 should be on there
Step-by-step explanation: multiply 1.5 by the number of candles to get the answer
what is 4 times as much as 20.075? show work
Answer:
80.3
Step-by-step explanation:
20.075 x 4 = 80.3
Hope that helps!
A collector has 2792 coins
altogether. Half of the coins
are on display. The collector
buys more coins at an auction
so that the coins on display
are now 40% of the collection.
How many coins are bought at
the auction?
Answer:
3490 coins
Step-by-step explanation:
Given data
Total coins= 2792 coins
Half of the coins are on display
that is 50% are on display
=2792/2
=1396
let the coins bought be x
40% of x= 1396
40/100*x= 1396
0.4x= 1396
x= 1396/0.4
x=3490
Hence 3490 coins were bought
What is the product?
0.4 x 0.6
0.024
0.24
2.4
24.0
Lin runs 5 miles in 40 minutes.
A. How many minutes per mile that?
B. How many miles per minute is that?
C. If Lin runs 9 miles at the same rate, how long does it take her?
Find the value of X
Answer:
18
Step-by-step explanation:
This is a 5 sided shape, aka a pentagon, and we know that five sided shape's angles add up to 540, so our equation is:
(9x-6)+(3x+23)+95+(7x-4)+90=540.
Combine like terms:
We get 25x+90=540
x = 18
Alex bought a football jersey that cost $95 and a football for $25. The local sales
tax is 8%. What was the total cost including tax?
Answer:
129.6$
Step-by-step explanation:
25+95=120
8% of 120 = 9.6
120+9.6= 129.6
Answer:
129.60
total w/o tax- 120
tax- 9.60.
On the first day of
December it snowed 234
inches. The second day it
snowed 1/2 inches, and the
third day it snowed 38 of
an inch What was the
total amount of snow fall
over the first three days
of December?
Challenge: What was the
average snowfall over the
three days?
272.5 inches of snow.
Anton bought a picnic cooler. His total bill, with tax, was $7.95. He paid 6 percent sales tax. How much did he pay for the cooler alone without the tax?
Answer:
7.48
Step-by-step explanation:
find what 6% of 7.95 is and then subtrct that from 7.95 which gives u ur answer
Write an equation in slope-intercept form for the line between (2,7) and (6, 19)
Answer:
Step-by-step explanation:
(19 - 7)/(6 - 2) = 12/4= 3
y - 7 = 3(x - 2)
y - 7 = 3x - 6
y = 3x + 1
5th grade math. Correct answer will be marked brainliest.
Answer:
part a is 3500
Step-by-step explanation:
Jason wants to earn money by raking leaves. He buys a rake that costs $30.00. He plans to charge $8.00 for each lawn that he rakes Calculate the amount of profit Jason
will make if he rakes 15 lawns
Answer:
He will make 90 dollars in profit.
Step-by-step explanation:
15 x 8 to find how much he makes. He makes 120 dollars. But we have to count the 30 dollars less he spent by subtracting 120 - 30. You get 90 dollars.
Hope it helps!
Answer:
120 dollars
Step-by-step explanation:
30 dollars times 15 lawns equal 120$
) The National Assessment of Educational Progress (NAEP) gave a test of basic arithmetic and the ability to apply it in everyday life to a sample of 840 men 21 to 25 years of age. Scores range from 0 to 500; for example, someone with a score of 325 can determine the price of a meal from a menu. The mean score for these 840 young men was x⎯⎯⎯ = 272. We want to estimate the mean score μ in the population of all young men. Consider the NAEP sample as an SRS from a Normal population with standard deviation σ = 60. (a) If we take many samples, the sample mean x⎯⎯⎯ varies from sample to sample according to a Normal distribution with mean equal to the unknown mean score μ in the population. What is the standard deviation of this sampling distribution? (b) According to the 95 part of the 68-95-99.7 rule, 95% of all values of x⎯⎯⎯ fall within _______ on either side of the unknown mean μ. What is the missing number? (c) What is the 95% confidence interval for the population mean score μ based on this one sample? Note: Use the 68-95-99.7 rule to find the interval.
Answer:
a) The standard deviation of this sampling distribution is 2.07.
b) The missing number is 4.14.
c) The 95% confidence interval for the population mean score μ based on this one sample is between 267.86 and 276.14.
Step-by-step explanation:
To solve this question, we need to understand the Empirical Rule and the Central Limit Theorem.
Empirical Rule:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
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:
[tex]\mu = 272, n = 840, \sigma = 60[/tex]
(a) If we take many samples, the sample mean x⎯⎯⎯ varies from sample to sample according to a Normal distribution with mean equal to the unknown mean score μ in the population. What is the standard deviation of this sampling distribution?
Using the Central Limit Theorem:
[tex]s = \frac{\sigma}{\sqrt{n}} = \frac{60}{\sqrt{840}} = 2.07[/tex]
The standard deviation of this sampling distribution is 2.07.
(b) According to the 95 part of the 68-95-99.7 rule, 95% of all values of x⎯⎯⎯ fall within _______ on either side of the unknown mean μ. What is the missing number?
Within 2 standard deviations of the mean.
So, 2*2.07 = 4.14
The missing number is 4.14.
(c) What is the 95% confidence interval for the population mean score μ based on this one sample?
Within 4.14 of the mean
272 - 4.14 = 267.86
272 + 4.14 = 276.14
The 95% confidence interval for the population mean score μ based on this one sample is between 267.86 and 276.14.
Wilbert needs a student loan to finish school. He needs $4200 and has two options.
Option A: 4 years at 4.5% interest with monthly payments of $95.77
Option B: 3 years at 4.7% interest with monthly payments of $125.31
Which loan should Wilbert choose and how much will Wilbert save with that loan?
First, calculate the total payback on each loan.
Answer:
A) 4596.96
B) 4511.16
Step-by-step explanation:
Wilbert should choose option B. The savings will be $85.8 for the loan.
What is the loan amount?The sum you borrow to purchase the home is known as the amount borrowed. Because most lenders don't always offer 100% financing, it usually differs from the purchase price.
It's also crucial to take the loan-to-value ratio into account. Lenders frequently discuss this value, which compared the loan amount with the purchase price.
Checking for 4 years at 4.5% interest with monthly payments of $95.77
4596.96-4200=396.96
Checking for 3 years at 4.7% interest with monthly payments of $125.31
396.96-311.16=85.8
Therefore, Wilbert should choose option B. The savings will be $85.8 for the loan.
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In ARST, mZR
mZS.
(x +17), m
mzs
(2x - 2), and mZT
(5x + 5)'. Find
9514 1404 393
Answer:
∠S = 38°
Step-by-step explanation:
The sum of angles in a triangle is 180°, so you have ...
(x+17)° +(2x-2)° +(5x+5)° = 180°
8x +20 = 180 . . . . . divide by °, collect terms
8x = 160 . . . . subtract 20
x = 20 . . . . . . divide by 8
∠S = (2x -2)° = (2·20 -2)°
∠S = 38°
an online photo service charges 20 to make a standard photo book with 16 pages. each extra page costs 1.75 write an exspression to determine the total cost of in dollars to make a standyard photo book with p extra pages
Answer:
$20 + (1.75 * p)
Step-by-step explanation:
This is just a guess hope this is correct.
Hope this helps! :)
Solve for n:
3(2−8n)=3n+6
Select one:
-15
5
-5
0
Can I have some help with this? Construct a linear function that has a slope of -3 and passes through the point (-2,3).
Answer:
-3x-3
Step-by-step explanation:
We want our equation to look like this
y=mx+b
we know that m= -3 so we just need to find b
We can start by plugging in the ordered coordinates into our equation
3=(-3)(-2)+b
Solve for b
3=6+b
b= -3
Which means our final equation is
y= -3x-3
John paints blue spots on his car. He usually paints these blue spots in pairs. If the total count of blue spots is 72, how many pairs of blue spots are there?
Answer: 10 quarts of blue paint for every 2 quarts of green paint
Step-by-step explanation: The graph represents the relationship between the number of quarts of blue paint in the mix, xx and the number of quarts of yellow paint, yy.
The point (2 , 10) on the graph indicates 2 quarts of blue paint for every 10 quarts of yellow paint .
Find the value of x... Please look at the attachment below
Which expression does not equal to the others?
A
567 /1,000
-------------------
B
56.7 / 10,000
----------------------
C
5.67 /10
---------------------
D
56.7 /100
Answer:
B is not equal to the others
Step-by-step explanation:
help me out
14 < n - 22
Answer:
14+22=36
36 is less than n
Step-by-step explanation:
Solve the equation: 3x - 2/4 = 2x – 8 Explain your reasoning / show work:
I need this help me please
Answer:
I think its B
Step-by-step explanation:
The ratio of boys to girls is 5 to 7 there are 45 boys in the school play how many girls are in the play
Answer:
63 girls.
Step-by-step explanation:
45 boys divided by 5= 9
9x7= 63 girls
Which is a possible solution for -4 LaTeX: >> X
[tex] \text { > }[/tex]
\tex {>} is to be written
which shows the product of 23 and 39
Answer:
897
Step-by-step explanation:
"Product" in math refers to multiplication, so you would just multiply the two to get 897.
Answer:
897
Step-by-step explanation
multilpy
The perimeter of a triangle whose sides are 4z units, 10 units, and 15 units
Answer:
29
Step-by-step explanation:
Finding the perimeter consists of adding all sides together. thus 4+10+15=29
The perimeter of a triangle whose sides are 4z units, 10 units, and 15 units, 29 units
What is the perimeter?Perimeter is a mathematical term, which means total outer boundary of a figure, we define it only for two dimensional figures.
Perimeter = Sum of length of the all the sides
Given that,
The length of sides,
4 units
10 units
15 units
Perimeter = ?
Perimeter = Total sum of lengths of sides
= 4 + 10 + 15
= 29 unit
Hence, the perimeter is 29 unit
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