Answers
Answer:
A: 8.4
Step-by-step explanation:
Order of operations: BEDMAS. Brackets, exponents, division, multiplication, addition, and substraction.
Using this you need to do 2(1.2) first.
2(1.2)=2.4
Then 4.5-2.4=2.1
Then finally 4(2.1)=8.4
Hope that helps
please give brainliest
Answer:
pretty sure it's 8.4 don't come at me if it's not
Step-by-step explanation:
-2(2.1) = -2.4
4(4.5-2.4) = 4(2.1)
4(2.1) = 8.4
Related Questions
Somebody please help
Answers
Answer:
IM FROM THE FUTURE :3
Step-by-step explanation:
the answer is -6 8-
i think 3:
How many times larger is the 5 in 528, 394 as in 352, 107?
A. 5 times as large as
B. 10 times as large as
C. 50 times as large as
D. 100 times as large as
E. 500 times as large as
Answers
Answer: B 10 Times large
Step-by-step explanation:The first 5 is 500,000 And the second 5 is 50,000
500,000÷ 50,000= 10
One limitation of the Chi Square test (and all tests of hypothesis) is that they cannot tell us if relationships between variables are:_________ A. significant B. random C. by chance D. none of the above
Answers
The answer to the limitation of the Chi Square test (and all tests of hypothesis) about relationships between variables is none of the above.
What is the limitation of the chi square test?The Limitation of this type of test is in its sample size requirements, as there is a lot of difficulty of interpretation when samples are large.
Note that Chi Square test and all tests of hypothesis can tell us if relationships between variables are significant, random and also if it occurred by chance and as such they are no limitations here.
Therefore, option d is correct.
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Maëlys veut installer une étagère à 60 cm du sol.
Pour vérifier que son installation est bien horizontale,
elle installe une corde à 30 cm au-dessus de l'étagère et
la tend jusqu'au sol afin d'être alignée avec le bord de
l'étagère. Elle arrive à 1,20 m du mur. La distance entre le
point d'attache et l'extrémité de l'étagère est de 50 cm.
l'installation de Maëlys est-elle bien horizontale ?
Answers
a tuba creates a 4th harmonic of frequency 116.5 hz what is the length of the pipe in the tuba
Answers
Since the tuba creates a 4th harmonic of frequency 116.5 hz, the length of pipe in tuba is 6.57 m
Since the tuba is an closed-pipe instrument, we need to find the frequency of a closed pipe
What is the frequency of an closed pipe?The frequency of a closed pipe f = nV/4L where
n = harmonic V = speed of sound and L = length of pipe in tubaLength of pipe in tubaMaking L subject of the formula, we have
L = nV/4f
Since the tuba creates the 4th harmonic with frequency 116.5 Hz.
n = 9 and f = 116.5 HzSubstituting the values of the variables into the equation, we have
L = nV/4f
L = 9 × 340 m/s/4 × 116.5 Hz
L = 3060 m/s ÷ 466 Hz
L = 6.57 m
So, the length of pipe in tuba is 6.57 m
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Answer:
5.88
Step-by-step explanation:
correct on acellus
Professor Mallory determines the distribution of students on five variables in her target population. She then uses nonprobability sampling to select students who fill the pre-established proportions of people in each combination of variables. Which sampling strategy did she use
Answers
The sampling strategy she use was a quota.
Quotas are meant to establish boundaries on the number of specific goods that are allowed to be lawfully imported into the country throughout a distinct period of time. In that, quotas are similar embargoes, except quotas don´t have explicit political purposes as embargoes do.
A Fixed quota would be a maximum amount not to be surpassed, while a tariff rate surcharge allows it, but with a higher duty.
What is the slope of the line?
Answers
Answer:
[tex]-\frac{2}{3} x[/tex]
Step-by-step explanation:
Hey there!
To find slope, you take [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]
In this case
y2: 6
y1: 4
x2: -3
x1: 0
Now we plug in this information
[tex]\frac{6-4}{-3-0} \\\\\frac{2}{-3} \\\\-\frac{2}{3}[/tex]
Since this is the slope, you have to add a "x"
So, the slope is [tex]-\frac{2}{3} x[/tex]
The group wants to travel from its current location on the map to the South Pole, and then directly back to the base camp. How many miles will they have to travel? Explain your answer.
Answers
Using the Pythagorean Theorem, it is found that the group will have to travel 90 miles.
What is the Pythagorean Theorem?The Pythagorean Theorem relates the length of the legs [tex]l_1[/tex] and [tex]l_2[/tex] of a right triangle with the length of the hypotenuse h, according to the following equation:
[tex]h^2 = l_1^2 + l_2^2[/tex]
In this problem:
First, the group travels 5 x 5 = 25 miles to the south pole.Then, the distance to the camp is the hypotenuse of a right triangle with sides of 25 miles and of 12 x 5 = 60 miles, hence:[tex]d^2 = 25^2 + 60^2[/tex]
[tex]d = \sqrt{25^2 + 60^2}[/tex]
d = 65.
The total distance is given by:
Td = 25 + 65 = 90 miles.
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LeAnn is playing a math game. She chooses three cards. The value of each of her cards is shown.
First card: -12
Second card: 3
Third card: -5
What is the sum of the values of LeAnn’s three cards?
Answers
Answer:
-14
Step-by-step explanation:
The sum (addition) of the three numbers would be -14 because -12+-5 is -17. Then, -17+3 would be -14.
need help 20 points and brainliest
Answers
Answer:
The smallest Number of ppl who bought banana's, number of kids at the park, number of ppl who landed at airport and the biggest is the number of residence in the usa
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Which relationships describe angles 1 and 2?
Select each correct answer.
vertical angles
adjacent angles
complementary angles
supplementary angles
2
Answers
Answer:
They are adjacent and supplementary
Step-by-step explanation:
A newly formed life insurance company has underwritten term policies on 120 women between the ages of forty and forty-four. Suppose that each woman has a 1/150 probability of dying during the next calendar year, and that each death requires the company to pay out $50,000 in benefits. Approximate the probability that the company will have to pay at least $150,000 in benefits next year
Answers
The probability that the company will have to pay at least $150,000 in benefits next year is 0.047 if the there are 120 women.
What is probability?It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words the probability is the number that shows the happening of the event.
The probability of dying:
P(dying) = 1/150
P(living) = 1 - P(dying) = 1 - 1/150 = 140/150
There are 120 women.
P(x≥3) = 1 - [P(x=0) +P(x=1) + P(x=2)]
[tex]\rm P(x\geq 3)=1-[(120 \ choose \ 0)(1/150)^0)((149/150)^{120})+[/tex]
[tex]\rm (120 \ choose \ 1) ((1/150)^1) ((149/150)^{119}) +[/tex]
[tex]\rm (120 \ choose \ 2)((1/150)^2)((149/150)^{118})][/tex]
P(x≥3) = 0.047
Thus, the probability that the company will have to pay at least $150,000 in benefits next year is 0.047 if the there are 120 women.
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help pls due in 5 minutes
Answers
Answer:
D
Step-by-step explanation:
[tex]2(\frac{7\times 6}{2})+3(13.1\times 7)[/tex]
ANSWER IS D
Solve for x.
3x² -10 = -5
Answers
Answer:
first one is the correct answer
x=15/3 it has to be the 15/3 math isn’t my strong suit but my bf says 15/3
Four lines meet at a point. The sun of three of the angles at the point is 267. The size of the other angle is
Answers
Answer: 93
Step-by-step explanation:
Two trains leave a station going in opposite directions. The northbound train averages 87 miles per hour. The southbound train averages 113 miles per hour. How long will it take for the trains to be 600 miles apart?
Answers
Answer:
It takes 3 hours for the train to be 600 Miles apart
What's the answer to this question? 4*(5t+1)/5
Answers
Answer:
[tex]\boxed{\sf{4t+\dfrac{4}{5} }}[/tex]Step-by-step explanation:
In order to solve this, you must use the distributive property.
[tex]\sf{\dfrac{4\left(5t+1\right)}{5}}[/tex]
Distributive property:
⇒ A(B+C)=AB+AC
⇒ 4(5t+1)
Multiply by expand.
4*5t=20t
4*1=4
Rewrite the problem down.
20t+4
20t+4/5
[tex]\text{FRACTION RULES: }\\\\\\\Longrightarrow: \sf{\dfrac{A\pm \:B}{C}=\dfrac{A}{C}\pm \dfrac{A}{C}}[/tex]
[tex]\Longrightarrow: \sf{\dfrac{20t+4}{5}=\dfrac{20t}{5}+\dfrac{4}{5}}[/tex]
You have to divide the numbers from left to right.
⇒ 20/5=4
[tex]\Longrightarrow: \boxed{\sf{4t+\dfrac{4}{5} }}[/tex]
Therefore, the correct answer is 4t+4/5.Answer:
[tex]4t + \frac{4}{5}[/tex]
Step-by-step explanation:
Step 1: Distribute
[tex]\frac{4(5t + 1)}{5}[/tex]
[tex]\frac{(4 * 5t) + (4 * 1)}{5}[/tex]
[tex]\frac{20t + 4}{5}[/tex]
Step 2: Isolate the numerator into two fractions
[tex]\frac{20t +4}{5}[/tex]
[tex]\frac{20t}{5} + \frac{4}{5}[/tex]
[tex]4t + \frac{4}{5}[/tex]
Answer: [tex]4t + \frac{4}{5}[/tex]
Refer to the article "The Future of Money" in your Money, Money, Money magazine for a complete version of this text.
What is the overall structure of the "Pros and Cons of Cryptocurrency" section of "The Future of Money"?
It contrasts positive aspects of cryptocurrency with negative aspects of cryptocurrency.
It uses comparison to show differences between digital currency and traditional currency.
It explains how advances in computer and phone technologies created a need for cryptocurrency.
It uses reasons and evidence to support opinions about the future of cryptocurrency
Answers
The general structure of this section of the text is to describe both positive and negative aspects of cryptocurrency.
What is "The Future of Money about"?This is a text that describes the recent evolution of money into more modern forms as well as possible ways money might evolve.
What is the section "Pros and Cons of Cryptocurrency" about?This section focuses on the pros (advantages) and cons (disadvantages) of cryptoccurency. Due to this, the section follows a contrasting structure to show negative and positive aspects.
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Answer:
It contrasts positive aspects of cryptocurrency with negative aspects of cryptocurrency.
Step-by-step explanation:
i hope this help anyone that see this :D
Julia made 7 batches of cookies and ate 3 cookies. There were 74 cookies left. Which expression can be used to determine the average number of cookies per batch?
A=74/4
B=(74+7)/3
C=(74+3)/7
D=74/3*7
Answers
Answer:
C
Step-by-step explanation:
She ate 3, so originally 77 cookies. Divide that by 7 batches, which is the equivalent to C
Show your work to earn full credit.
Jenae goes to the mall to buy a jacket. A store is having a sale for 30% off the original price of the jacket. Jenae also has a $10 off coupon she will use to make the purchase. The expression below can be used to find her final price for a jacket with an original price of p dollars.
0.7p - 10
The jacket she decides to purchase has an original price of p=$87.99. What is the final price of the jacket Jenae is buying?
Answers
Answer:
$51.60
Step-by-step explanation:
This is essentially substitutionI have found that shops tend to round up the .99, so I will work with $880.7 × 88 - 10 = $61.60 - 10 = $51.60give the answer
the areaaaaaa
Answers
Answer:
16
Step-by-step explanation:
The figure shown is a trapezoid
Area of a trapezoid = 1/2(bottom base length + top base length) × height
Bottom base length = 7 units
Top base length = 1 unit
Height = 4 units
So area = 1/2 ( 7 + 1 ) × 4
==> add 7 and 1
Area = 1/2 (8) × 4
==> multiply 1/2 and 8
Area = 4 × 4
==> multiply 4 and 4
Area = 16
John, Britteny, Chloe, Kenji, Warner, and Juliette are in a race and are all considered equally fast what is the probability that John and Britteny would be the first two finishers
Detailed explanations are most welcome
Answers
Answer:
1/3
Step-by-step explanation:
There are 6 people partaking in this race.If John and Brittney are to be the first two finishers, then 2 out of the 6 people are the said first two finishers.That gives 2/6.By reducing the fraction, we have:(2÷2)/(6÷2) = 1/3.Hope this helps!
342.5 divided by 34.25
Answers
342.5/34.25=10
both calculated to 0 decimal places
Jane has a piece of wood in the shape of a right rectangular prism. She cuts out 44 identical square holes in the wood. What is the surface area of the piece of wood after she cuts it?.
Answers
In a survey of 800 people, 42% said they shopped online last week. How many people said they shopped online last week?
Answers
336
explanation:
percent. part
_______ = _____
100. whole
42. ?
____ = ____
100. 800
cross multiply
800×42=33,600
then divide by 100
33,600/100=336
Answer:
336
Step-by-step explanation:
If 42% said they shopped online last week, that means the number of people who said they shopped online last week is 42% of 800. "Of" just means we should multiply, and since 42% = 42/100 (since % is just /100), we can use the following to find the answer (I used cross multiplication to simplify):
42 800 42 8
--- * = ---- * = 336
100 1
How many arrangements are there of the letters in the word "greet?"
Answers
Answer: 60
5 / 2
= 5×4×3×2×1/2×1
=120 / 2
= 60.
I hoped this helped! :)
Can someone help me please!!?
Answers
Answer:
AB = 21
Step-by-step explanation:
the line EB is parallel to the side of the triangle DC and intersects the other 2 sides proportionally , that is
[tex]\frac{AE}{ED}[/tex] = [tex]\frac{AB}{BC}[/tex] ( substitute values )
[tex]\frac{14}{12}[/tex] = [tex]\frac{AB}{18}[/tex] ( cross- multiply )
12 AB = 14 × 18 = 252 ( divide both sides by 12 )
AB = 21
Find the volume of the figure. Round answer to nearest hundredths place.
Answers
Answer: 540 nearest hundred is 500
Step-by-step explanation:
I multiplyed them together to get the answer.
Answer:
4834.9
Step-by-step explanation:
1) Split the Figure into a Cone and a Cylinder
2) Cylinder Formula V=πr²h And Cone V=1/3hπr²
3) π[tex]9^{2}[/tex]15 + 1/2(12)π([tex]9^{2}[/tex])
4) 3817.04+1017.88
5) 4834.9
Melissa will paint a jewelry box that is in the shape of a cube. The surface area of the cube can be determined using the formula A = 682 wheres represents the side length the cube Determine the surface area of the box that Melissa will paint to the nearest tenth of a square inch if x = 2.
Answers
The surface area of the box that Melissa will paint is 24 square units
Surface are of a cubeA cube is a solid figure with 6 faces. The formula for calculating the surface area of the cube is expressed as:
A = 6L^2
where
L is the side length of the cube
Given
L = 2units
Substitute
A = 6(2)^2
A = 6 * 4
A = 24 square units
Hence the surface area of the box that Melissa will paint is 24 square units
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Sonja is spinning a spinner with 15 equal sectors labeled 1 through 15.
What is P(multiple of 6)?
2/15
4/15
2/5
3/5
Answers
Answer:
2/15
Step-by-step explanation:
there are only 2 numbers which are multiples of 6, which are both 6 and 12. That means it would be a 2/15 probability. You cannot simplify it more, so it will remain the same.
Answer:
2/15
Step-by-step explanation:
:)