Which expression has the same value as 20 − 4 ⋅ 3
a. 20 − (4 ⋅ 3)
b. (20 − 4) ⋅ 3
c. 20 + 4 − 3
d. 20 ⋅ 4 − 3

Answers

Answer 1

Answer:

a. 20 - (4 ⋅ 3)

Step-by-step explanation:

PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

Please note that multiplication 4 ⋅ 3 will happen before the subtraction -

If we add parentheses, we introduce a new "order". But if the parentheses are around the first operation we perform, the order stays the same!

This means that answer a. must be correct.

We verify:

20 − 4 ⋅ 3 = 20 - 12 = 8

a. 20 − (4 ⋅ 3) = 20 - 12 = 8

b. (20 − 4) ⋅ 3 = 16 ⋅ 3 = 48

c. 20 + 4 − 3 = 21

d. 20 ⋅ 4 − 3 = 80 - 3 = 77

Answer 2

Answer: A: 20 - (4 x 3)

Step-by-step explanation:

In the end, the final answer is 8, so we need to see which one of these options give us 8. As seen, we first must solve the multiplication, and the first option, A, solves the multiplication first because it is in parenthesis, which gives us 8, so the correct answer is A.

Related Questions

Two integers, n and p, have a product of -10. What is the smallest possible sum of n and p? Explain your strategy.

Answers

Answer: -5 x 2

Step-by-step explanation:

Multiply −5 and 2 to get −10.

To end up with a negative make sure to put a negative number inside the problem with a positive number.

-5X2 because multiplies to -10

What is -9 ÷ 2/3 ?
Answer I got: -27/3
Is it right?

Answers

Answer:

-27/2

Step-by-step explanation:

33.
Find the value of the expression: (5 + 7)2
a. 24 c. 144
b. 74 d. 54

Answers

Answer: a. 24

Step-by-step explanation:

We will simplify using PEMDAS.

Given:

(5 + 7)2

Add:

(12)2

Multiply:

a. 24

Hello!

[tex](5+7)2[/tex]

[tex]5+7=12\\12*2=24[/tex]

Your answer would be A. 24

Hope this helps!

The ratio of red flowers to yellow flowers is 4 to 5. If there are 48 red flowers, what is the number of yellow flowers? if you answer this i will give you 100 points and write out how you did it

Answers

Answer:

Step-by-step explanation:

I believe if you have 48 red flowers you divide 48 by 4 which gives you 12.12*5 is 60 correct me if I'm wrong.

60
4 parts is 48
1 part is 12
5 part is 60
Hope this helps

Which statement is true?

Answers

Pluto is approximately 1.1 x 10^8 miles farther from the sun than jupiter

The answer above is correct , i just got that one

12 pizzas on 2 plates = ___ plates per pizza

Answers

Answer:

Step-by-step explanation: 12X2=24 pizza pieces on the two plates in all.

24 is you’re answer because you have 12 pizzas on 2 plates 12•4=24

Which statement is the best comparison between the populations of the two continents in 2008

Answers

Answer:

Africa population is 2X larger than North America

Step-by-step explanation:

9.67x10⁸ = 967000000 which is 2 times more than north america which is 529 million

Answer:

Africa's population was about 2 times larger than North America's population in 2008

Step-by-step explanation:

9.67*10^8 = 967000000 = 971 million

971 million = Africa

529 = north America

Multiply or Divide. Write fractions in simplest form.

Answers

Answer: -7/26

Step-by-step explanation:

7/3/(-2), answer: -7/26

Aman had to sell his television at a loss of 12%. If the selling price was
Rs.7040, what was its cost price? Explain step by step please.

Answers

this is the explanation i hope it will be good

So formula is

1200*12/100

12*12=132

Which of the following points best represents the location of -1 5/8 on the number line?

Answers

Answer:

Step-by-step explanation:

Looking at the number line, you will notice that A, B, and C are less than 0.

Eliminate D, which is greater than 0.

Further still, as negative numbers get 'smaller', they go from -1 to -∞.

i.e.: -1 > -2 > -3

if you forget the above fact, looking at the number line, you can see that A is between -1 and -2, and [tex]-1\frac{5}{8}[/tex] is between -1 and -2 just as [tex]1\frac{5}{8}[/tex] is between 1 and 2.

Then, simply counting the ticks from -1 to -2, you can see that A falls on the 5th tick, while -2 falls on the 8th tick from -1.

Hope this helped.

Answer:

Step-by-step explanation:

-1 5/8 would be between -2 and -1

Holland added three decimals that made a sum of 2. One of the decimals was 0.34.

What are two other decimals Holland could have used to make a sum of 2? Explain how you know.

Answers

2 - 0.34 = 1.66

0.96 + 0.7 = 1.66

Holland could have used 0.96 and 0.7 (or any other 2 decimals that add up to 1.66).

The two other numbers could be 0.83.

First, do the equation 2 - 0.34 = 1.66.

Next, divide 1.66 ÷ 2 = 0.83.

Finally, add 0.83 + 0.83 + 0.34 = 2.

So the two other decimals Holland could do is 0.83.

divide the sum of 3/2 and 5/7 by their difference

Answers

For 3/2 it’s 1 1/2 and for 5/7 it’s 0

Answer:

hope it helps ☜☆☞o==[]::::::::::::::::>

answer is 2 1/10

PLEASE HELP!! TIMED!

A line is defined by the equation y= 2/3x-6. The line passes through a point whose y-coordinate is 0. What is the x-coordinate of this point?

Answers

the answer at the top is correct

Y=2/3X - 6
0 = 2/3X - 6
6=2/3X
X=9

A bee flies 6 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 14 minutes, and then flies directly back to the hive at 4 feet per second. It is away from the hive for a total of 19 minutes. A. what equation can you use to find the distance of the flowerbed from the hive? B. How far is the flowerbed from the hive? Let d be the distance of the flowerbed from the hive.

Answers

Answer:

5 minutes

Step-by-step explanation:

d / r = t

The bee is flying for 19 - 14 minutes

(d / 6) + d / 4) = 5

Answer: 25 feet

Step-by-step explanation:

19 - 14 = 5

total travel time = 5 min

av. between 6 and 4

= 6+4÷2 = 5

5 feet per sec × 5 min = 25 feet

Write an equation with a slope: -3/4 and y-intercept: -1/4

Answers

Answer:

y = (-3/4)x - 1/4

Step-by-step explanation:

Use the slope-intercept formula y = mx + b. Here m = -3/4 and b = -1/4, and so: y = (-3/4)x - 1/4

The equation of the line with slope -3/4 and y-intercept is -1/4 is y=-3/4x-1/4.

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of the line is the ratio of the rise to the run, or rise divided by the run.

It describes the steepness of line in the coordinate plane.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

Given that the slope is -3/4 and y-intercept is -1/4.

We have to find the equation of line with slope -3/4 and y-intercept is -1/4.

m=-3/4 and b = -1/4

Now plug in these values in slope intercept form y=mx+b

y=-3/4x-1/4

Hence, y=-3/4x-1/4 is the equation of the line with slope -3/4 and y-intercept is -1/4.

To learn more on slope intercept form click:

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Use a proportion to convert 10,000 kilometers to miles. Round to the nearest whole number.

Answer Choices:

A. 16,100 miles

B. 5,000 miles

C. 6,211 miles

D. 10,000 miles

* Note * Whoever answers this first will get brainly, and please show your work or I won't get any credit.

Answers

C
Because 1mile is 1.609344 so you just divide the kilometre figure by 1.609344 which is 6210.7119223733 rounded up is 6211

The answer should be C
Hope this helps! :D

I swear if you answer this correctly, you saved my life.

Answers

Answer:

[tex] \frac{5.5}{0.5} = 11 \\ \\ 5) - 2.5 \times 1 \times \frac{1}{4} = - \frac{25}{10} \times \frac{5}{4 \\ } \\ = - \frac{25 \times 5}{10 \times 4} = - \frac{25}{8} = - 3 \times \frac{1}{8} [/tex]

4. 11
5. 3.125
6. 0.7(rounded)

what is 2 to the power of -1 + 1/2?

Answers

Answer:

The answer is 1

Step-by-step explanation:

2^-1 is basically turning it into 1/2. And the rest is history

Answer:

Step-by-step explanation:

can you pls make me BRAINLYS

What is the value of

Answers

Answer: option 1

Step-by-step explanation:

Answer:

1. Is the correct one.

Step-by-step explanation:

Please answer need the extra credit
*count a pair of shoes as a singular unit *

Mary oversees shoe suppliers from 3 places. she is trying to supply for
retail stores.

supplier A has 4 crates of shoes plus six loose pairs
supplier B has 6 crates of shoes, but one pair is missing
supplier C has 10 crates plus five loose pairs

assume each crate contains an equal number of shoes, write an expression describing the total number of shoes available.

write another expression describing the number of shoes available for each retail store if the shoes are divided equally among stores.

Answers

that’s is the right answe

The answer is A bc it is.

Complete the inequality statement. 40 cm ___ 4 m
>
=

Answers

4 m is larger is that what you are asking

the answer is > (greater than)

hopes this helps :)

The SSS rule is used to prove what property?

1.) It's used to show that polygons are similar if their corresponding sides are proportional.

2.) It's used to show that (triangle symbol)s are congruent if their corresponding sides are congruent.
(won't let me use the triangle looking symbol)

Answers

Answer:

Step-by-step explanation:

(SSS) says triangles are congruent if three sides of one triangle are congruent to the corresponding sides of the other triangle.

2.) It's used to show that (triangle symbol)s are congruent if their corresponding sides are congruent.

Martin Luther King Jr was 5 feet tall, 7 inches (67 inches) tall. The statue is 30 feet tall. What is the ratio of Martin Luther King Jr's actual height to the statue?

Answers

Answer:

67 inches : 360 inches

Step-by-step explanation:

30 feet = 360 inches

Martin Luther King Jr : Statue

67 : 360

The ratio of Martin Luther King Jr's actual height to the statue is 67 : 360.

What is a ratio?

The ratio shows how many times one value is contained in another value.

Example:

There are 3 apples and 2 oranges in a basket.

The ratio of apples to oranges is 3:2 or 3/2.

We have,

Martin Luther King Jr height = 5 feet tall and 7 inches

This is 67 inches tall.

The statue height = 30 feet tall.

This is 12 x 30 = 360 inches

Now,

The ratio of Martin Luther King Jr's actual height to the statue.

= 67 : 360

Thus,

The ratio is 67 : 360.

Learn more about ratios here:

https://brainly.com/question/2462048

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Will give brainliest to the best or first answer!

Answers

Answer: Not what's written down.

Step-by-step explanation:

Okay, so basically, if you have a letter, no other number can go with that number with a letter. So like 5x + 2b -7.

There is only one number that has x, so 5x.

Same with b. 5x + 2b.

Now, there is no letter with the 7, so that will stay the same.

So, the answer is 5x + 2b -7.

Now, I look at your question.

If I do all of the work I just showed, the answer is C.

The answer should be D because the rest just don't really make sense. Your trying to find x, which is the number of lawns that each would have to mow in order for Tim and Matt to make the same amount of money.

Determine whether the measures for the figure shown proportional.

A. the length of a side and the perimeter

B. the length of a side and the area

Answers

Answer: 5 length & width

Step-by-step explanation:

Since this is a square all sides would be the same length & width which would be 5 because each side is symmetric. So if you do 5 times as many sides as there is (5 x 4) it would give you 20

So the LENGTH of EACH side is 5 and the AREA in total or PREMIETER would be 20 all together.

(hope this helps)

5 length and width no explanation

Find the value of the expression: 3 ⋅ (2 + 6)2
a. 114 c. 48
b. 192 d. 144

Answers

Answer:

Step-by-step explanation:

first, we will use the distribution property: a (b + c): (ab + ac)

[3(2) + 3(6)] 2

now we will multiply

(6+18)2

(24)2

=48

2+6=8
8x2=16
16x3=48
answer is c

solve please
ab - cd = 0
solve for C

Answers

c= ab/d

step by step:
1. isolate the term in C, ab=cd
2. divide both sides by the coefficient of c, which is d
ab/d = cd/d
3. the d’s cancel
ab/d=c
but to make it look nicer, c= ab/d. both answers are correct though!

Answer:

c = ab / d

Step-by-step explanation:

ab − cd = 0

Add -ab to both sides:

ab − cd+− ab= 0 +− ab

−cd=−ab

Divide both sides by -d:

− cd/−d = − ab /−d

c = ab / d

Answers

Answer: 20c + 10.

Step-by-step explanation:

(c represents crates)

I wrote each equation separately first.

Supplier A: 4c + 6

Supplier B: 6c - 1

Supplier C: 10c + 5

We can add all the cs from each supplier giving us 4c + 6c + 10c which equals 20c. Now we can add the extra shoes as, 6 + (-1) + 5 equaling 10. I wrote -1 because we are missing that shoe, but you can write it as 6 - 1 + 5 instead. Together the two numbers make the equation 20c + 10. Hope that helps : )

I got the answer 20c+10

4c+6 for supplier A
6c-1 for supplier B
10c+5 for supplier C

Combining the like terms of C you would get 20c
Then combining the other number (-1,6,5) you get 10

8(5-2x)=24

Solve x. Pls show working

Answers

distribute the terms

-16x+40=24

subtract 40 from both sides

-16x - -16

divide both by 16

x = 1

First multiply 8 times 5 and 8 times -2x since 5 and to -2x our in the parentheses. Now you have 40-16x=24. Subtract 40 from both sides to get -16x=-16. Finally divide both sides by negative 16 to get x alone. The answer is x=1. Remember that whatever you do on one side you must do to the other side.

The library loans 4 times as many non-fiction books as it does
fiction books. Write a rule for the relationship between the two
variables. Use n for non-fiction and f for fiction.

Answers

N * 4 =f
We know there are 4 times as many non-fiction books as there are fiction books so we would have to multiply non-fiction by 4 to figure out how many fiction books there are

The rule for the relationship between the nonfiction and fiction books as an expression is n = 4f.

We have,

Let's write a rule for the relationship between the number of non-fiction books (n) and the number of fiction books (f) based on the given information.

We are told that the library loans 4 times as many non-fiction books as it does fiction books.

This means that the number of non-fiction books (n) is equal to 4 times the number of fiction books (f).

Mathematically, we can express this relationship as:

n = 4f

Where:

n = Number of non-fiction books

f = Number of fiction books

Thus,

The rule for the relationship between the nonfiction and fiction books as an expression is n = 4f.

Learn more about expressions here:

https://brainly.com/question/3118662

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Which expression has the same value as 20 − 4 ⋅ 3 a. 20 − (4 ⋅ 3) b. (20 − 4) ⋅ 3 c. 20 + 4 − 3 d. 20 ⋅ 4 − 3

Answers

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Which expression has the same value as 20 − 4 ⋅ 3
a. 20 − (4 ⋅ 3)
b. (20 − 4) ⋅ 3
c. 20 + 4 − 3
d. 20 ⋅ 4 − 3