Mathematics College

Order of Operations with and without variables

Order Of Operations With And Without Variables

Answers

Answer 1
I think the answer is -4

Related Questions

This is multipling fractions 3x8/9=

Answers

Answer:

8/3

Step-by-step explanation:

to multiply 3 by 8/9 then convert 3 into a fraction

3/1 x 8/9 (multiply across)

24/9 (now simplify)

8/3

The graph of a system of equations will intersect at exactly 1 point?

Answers

Answer:

A system of equations can intersect at no points; this is when the lines are parallel, which means they have the same slope and different y-intercept. A system of equations can intersect at one point; this is when the lines have different slopes.

Step-by-step explanation:

Find the quotient: 6)27L 600 mL​

Answers

Answer:

27*1000=27000ml

600ml

Now, 27000ml+600ml=27600ml

Step-by-step explanation:

Distance between 3,-6 and -2,-5

Answers

3,-6 is 9

-2,-5 is three

What is the name of a polygon that has four congruent sides and these angle
measures: 60°, 120°, 60°, 120°?
A. Rectangle
B. Rhombus
C. Trapezoid
D. Square

Answers

Answer:

I believe the answer is "rhombus." so B

Step-by-step explanation:

I think the answer is B so

How can I use a model to solve 1.4 divided by 4?

Answers

Answer: 0.35

Step-by-step explanation:

james bought a pound of chicken for 2.99 a pound of cheese for 5.99 and a bag of potatos for 3.99 find his total at checkout if the sales tax is 7%

Answers

Answer:

13.88 (if you round up)

Step-by-step explanation:

2.99+5.99+3.99 = 12.97

12.97 * 7% = .9079

12.97 + .9079 = 13.8779

Answer for 24 points

Answers

thank you so much! merry christmas.

A local restaurant only sells burgers and cokes. 3 burgers and 5 comes cost $17, while 6 burgers and 9 cokes cost $33. What’s the price of a burger?

Answers

Answer:

The price of a burger is $4 and that of cone is $1.

Step-by-step explanation:

Let the cost of burger is x and that of cone is y.

ATQ,

3x+5y = 17 ....(1)

And

6x + 9y = 33 ...(2)

Multiply equation (1) by 2.

6x + 10 y = 34 ...(3)

Subtract equation (2) from (3)

6x + 10 y-(6x + 9y) = 34 - 33

6x + 10 y-6x- 9y = 1

y = 1

Put the value of y in equation (1)

3x+5 = 17

3x = 12

x = 4

So, the price of a burger is $4 and that of the cone is $1.

A survey of 800 students yielded the following information: 519 were seniors, 430 were commuters, and 300 of the seniors were commuters. How many of the 800 surveyed students were seniors or were commuters?

Answers

Answer:

The number is  [tex](S \ u \ C ) = 649[/tex]

Step-by-step explanation:

From the question we are told that  

      The sample size is  n =  800

       The number of seniors is  S  =  519

         The number of  commuters is  C =  430

         The number of of seniors that are commuters is  [tex](S\ n \ C )= 300[/tex]

Generally the number of 800 surveyed students who were seniors or were commuters is  mathematically evaluated as

     [tex](S \ u \ C ) = S + C - ( S \ n \ C )[/tex]

=>   [tex](S \ u \ C ) = 519 + 430 - 300[/tex]

=>   [tex](S \ u \ C ) = 649[/tex]

Which equation represents the relation this between x and y?

x | y
1 | 4
2 | 5
3 | 6
4 | 7

a. y = x + 1 b. y = x - 3 c. y = x + 3
d. y = 3x + 1

Answers

C. Y equals x plus three

PLZ HELP IM WASTING MY POINTS FOR THIS Match each expression to its value.

1. -1 + 2
1
2. 1 + (-2)
-3
3. -1 - 2
3
4. 1 - (-2)
-1

Answers

Answer:

1. 1

2. -1

3. -3

4. 3

If you have any questions on the topic let me know. :)

Answer:

1. 1

2. -1

3. -3

4.3

Step-by-step explanation:

...

A 22-ounce casserole contains 8 servings. How many ounces are in 1 serving of the casserole?

Answers

Answer:

the answer is 2.75 to this question

Answer:

2.75

Step-by-step explanation:

22 divided by 8 will get the ounces per serving.


find the slope please help

Answers

4/2 is the slope from the 1st point to the second

Parker grew
2 1/2 inches each year for the past 3 years. How many inches total has Parker grown in the past 3
years?

Answers

Answer:

it will be 7 and 1/2

Step-by-step explanation:

2 and 1/2 x 3=7 and 1/2

what is the relationship between any place value position
and the next greater place value position.

Answers

Step-by-step explanation:

Possible description: As I move from a lesser place-value position to the next greater place-value position, the pattern is that the greater place-value position is 10 times as much as the next lesser place-value position.

What is the least common denominator of 7/12, 7/15, and 7/24?

Answers

Answer:

120

Step-by-step explanation:

Rewrite with only sin x and cos x.

cos 2x + sin x

1 + 3 sin x
1 + 3 sin2x
1 - 2 sin2x + sin x
1 + 2 sin2x + sin x

Answers

Answer:

[tex]cos(2x)+sin(x)=1-2\,sin^2(x)+sin(x)[/tex]

which agrees with the third option listed.

Step-by-step explanation:

I believe you meant to write the answer with only sin(x).

Use the double angle identity for the cos(2x) as shown below:

[tex]cos(2x) = cos^2(x)- sin^2(x)\\since \\cos^2(x) = 1-sin^2(x)\\then:\\cos(2x) = 1-sin^2(x)- sin^2(x)\\cos(2x)=1 - 2\,sin^2(x)[/tex]

Now we use this identity in the original expression to get:

[tex]cos(2x)+sin(x)=1-2\,sin^2(x)+sin(x)[/tex]

which agrees with the third option listed.

If bananas cost $0.45 each, how much will 9 bananas cost in all

Answers

Answer:

$4.05

Step-by-step explanation:

0.45 x 9 = 4.05

Answer:

$4.05

Step-by-step explanation:

1 banana = $0.45

9 bananas = $0.45 × 9

                 = $4.05

The side of a square is measured to be 10ft with a possible error of plus/minus 0.1ft. Use linear approximation or differentials to estimate the error in the calculated area. Include units in your answer.

Answers

Answer:

±2∧

Step-by-step explanation:

x=10ft dx=±0.1

area y=x²

dy=2xdx

when x=10

dy=2×10×(±0.1)=±2

error in area=±2

4. I
Write a linear function f with f (0) = 7 and f(3) = 1.

Answers

Answer:

f(x)=

Step-by-step explanation:

Graph the line
Y=-2x-5

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Step-by-step explanation:

I hope this helps you answer your questions about graphing the line.

(-5/2,0) (0,-5) slope-2

Plzzzzz help right answer gets a brainly!

Answers

0 u can see there’s no numbers less then 16

Answer:

3

Step-by-step explanation:

i think because that what's between

Giving everything. Plzzz help.

Answers

Pretty sure it’s A sorry if that’s wrong

Answer:

a is the answer..........

Which one of these transformations move by sliding in any direction?
A.Translation
B.Rotation
C.Reflection
D.Dilation

Answers

Answer:

D. Dilation, sorry if i'm wrong ;)

Step-by-step explanation:

Yuki works at a garden store. She is stacking 40-pound bags of soil. Write an equation that gives the total weight, w, of the soil in pounds when yuki stacks b bags.

Answers

The answer is w=40b Answer:

Step-by-step explanation:

Answer:200

Step-by-step explanation:

w=40b

=40(5)

=200

Math 201 Statistics week 6 discussion board?

Answers

Answer: ??? What

Explanation: what’s the question??

Arrange the integers 1,4,8,12,17,32 so that all consecutive integers add to a perfect square. Enter your answer with numbers separated by commas.​

Answers

One possible answer is: 1, 8, 17, 32, 4, 12

I don't know if there's a methodical way to get this answer. I used trial and error. I started with 1 and looked through the list to see what adds to 1 to get a perfect square. That would be 8 since 1+8 = 9 = 3^2

The process is repeated but this time for 8. After a bit of guess and checking, we see that 8+17 = 25 = 5^2.

Then after 17 is 32 because 17+32 = 49 = 7^2.

Keep doing this until all of the values are used up. If you get stuck, then try backtracking to a previous branch/path where everything worked and try another fork in the road. If that doesn't work, then try starting the sequence with a completely different value (instead of 1).

Other answers may be possible. I haven't checked all possible permutations.

i need help with this question please

Answers

Answer: it C

Step-by-step explanation: if it not incorrect sorry for the wrong answer

If 6 sandwich rolls cost $1.08, How much will 18 rolls cost ?

Answers

Answer: 3.24

Step-by-step explanation: because :)

                     

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