Which expression is equal to -12 1/2 + 5 3/4

Answer:

34

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

For every 5 students, 1 wears glasses and 4 don't.  If you take the total number of students, 30, and divide it by 5, you have 6 groups of 5 students.  There will be 1 student for each of those groups wearing glasses, or 6 students.

Answer:

y = -1/4x - 1

Step-by-step explanation:

First, put the equation in slope intercept form:

4x - y = 2

4x - 2 - y = 0

4x - 2 = y

y = 4x - 2

Perpendicular lines have opposite reciprocal slopes. Since the original slope is 4, the other line's slope will be -1/4

Plug in the given point and the slope into y = mx + b, then solve for b:

y = mx + b

-2 = -1/4(4) + b

-2 = -1 + b

-1 = b

Plug in the slope and b into the equation:

y = -1/4x - 1 is the equation

Answer:

A.

Step-by-step explanation:

Just means for every 4 cans of soup, you need 3 pb jars

Cans of soup : jars of peanut butter

4:3

8:6

16:12

20:15

Answer:

1.8 x 71 = 127.8, just 18 x 71 = 1278, then count the the decimal place from the right, i.e 127.8

same for 2.6 x 83 = 215.8

.......ok try 5.52 x 5

Answer:

27,579.24 OR 343.6

Step-by-step explanation:

I don't know if this is what you mean but 1.8x71x2.6x83=27,579.24

Also, (if that was not what you meant), 1.8x71=127.8, 2.6x83=215.8, 127.8+215.8=343.6

Answer:

it represents the surface of the sea

Step-by-step explanation:

i did the test lol :)

Answer:

-53, f(n) = -6(n-1) + 13

Step-by-step explanation:

given the equation to this linear/arithmetic sequence for the nth term: f(n) = -6(n-1) + 13

f(12) = -6(12-1) + 13

f(12) = -6(11) + 13

f(12) = -66 + 13

f(12) = -53

*substitute and simplify*

______________

f(n) = f(1) + d(n-1)

given f(1) = 13, f(2) = 7, and f(3) = 1

7-13 = 1-7 = -6 = d

= f(1) + d(n-1)

f(1) = 13 so

the equation must be f(n) = 13 - 6(n-1) or -6(n-1) + 13

Answer:

78

Step-by-step explanation:

you do 3 *26

Answer:

12

Step-by-step explanation:

3(9-h) is the equation used for this problem h=5

9-5=4    3x4=12

hope this helps!

9514 1404 393

Answer:

Step-by-step explanation:

It is convenient to let a variable represent the number of the highest-price tickets sold. We'll use x for that. Then the number of lower-price tickets sold is 525 -x and the total revenue is ...

  8x +6(525 -x) = 4600

  2x = 1450 . . . . . . . . . . . . subtract 3150

  x = 725

  525 -x = -200

__

The school sold 725 freshman/sophomore tickets and -200 junior/senior tickets.

_____

Comment on the question

There is apparently an error in the question somewhere. The average revenue per ticket is ...

  $4600/525 ≈ $8.76

You cannot sell $6 and $8 tickets and earn more than $8 per ticket sold. (Average revenue must be between $6 and $8 per ticket.)

__

If we assume a typo in revenue, and that it should be $3600, then the sales will be 225 freshman tickets and 300 senior tickets.

Answer:

deductive reasoning

Step-by-step explanation:

Answer:

The answer is 4.

Step-by-step explanation:

The total percent is 100%. You subtract 100% with 72% which is 28. Then, you divide 28 with 7 and voila! The answer is 4.

The change in  her score in percentage points for each question she gets incorrect is 4%.

Using this formula

Change in score percentage=(100%-Scores %)/Number of missed questions

Where:

Scores %=72%

Number of missed questions=7 questions

Let plug in the formula

Change in score percentage=(100%-72%)/7

Change in score percentage=28%/7

Change in score percentage=4%

Inconclusion  the change in  her score in percentage points for each question she gets incorrect is 4%.

Learn more here:

https://brainly.com/question/19345514

Answer:

1. r1 || r2 because of the same side or consecutive interior theorem

2. l1 || l2 because they are corresponding angles

The angle formed between two parallel lines having a common transversal have several common properties

The correct responses are;

1.  Lines r₁ and r₂ are parallel

2. Lines, l₁ and l₂ are parallel

lines r₁ and r₂, are parallel

The reason why the given lines are parallel are as follows:

1. The given figures are presented as shown in the attached diagram

From the diagram, we have that the same side interior angles formed by the common transversal l₂ the lines r₁ and r₂ are 63° and 117°, which are supplementary angles (63° + 117° = 180°)

Therefore, lines r₁ and r₂ are parallel given that same side interior angles formed by two parallel lines having the same transversal are supplementary

2. From the attached diagram, we have;

The alternate exterior angles formed between the lines, l₁ and l₂ that have the common transversal r₁ are equal, therefore;

Lines, l₁ and l₂ are parallel, given that the alternate exterior angles formed by two parallel lines having a common transversal are equal

From the diagram, we also have that the other angle of the linear pair angle with the 63° angle is 117°, and the second angle of the linear pair angle is both either corresponding angle and alternate interior angle with the given 117°

Therefore, lines r₁ and r₂, are parallel given that corresponding angles and the alternate interior angles formed between parallel lines having a common transversal are equal

Learn more about the angles formed between parallel lines having a common transversal here:

https://brainly.com/question/15937977

Answer:

Step-by-step explanation:

It will take 3hr and 36 min to travel 180 miles

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[tex]s = \frac{distance \: traveled}{time \: of \: the \: distance \: traveled} \\ [/tex]

[tex]48 = \frac{180}{t} \\ [/tex]

Multiply sides by t

[tex]48 \times t = \frac{180}{t} \times t \\ [/tex]

[tex]48t = 180[/tex]

Divided sides by 48

[tex] \frac{48}{48} t = \frac{180}{48} \\ [/tex]

[tex]t = \frac{4 \times 9 \times 5}{4 \times 3 \times 4} \\ [/tex]

[tex]t = \frac{3 \times 5}{4} \\ [/tex]

[tex]t = \frac{15}{4} \\ [/tex]

[tex]t = \frac{16 - 1}{4} \\ [/tex]

[tex]t = \frac{16}{4} - \frac{1}{4} \\ [/tex]

[tex]t = 4 - 0.25[/tex]

[tex]t = 3.75 \: \: \: \: hours[/tex]

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Answer:

Sienna

Step-by-step explanation:

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Answer:

True

Step-by-step explanation:

I think it's right je8e

Answer:

16

Step-by-step explanation:

the amount of peppers are double the amount of servings, 8x2 = 16

Answer:

16

Step-by-step explanation:

8-4/ 4-2= 2

8 x 2= 16

Answer:

answer is 1

Step-by-step explanation:

just did test on edge

The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.

We need to find the value of cos(tan^-1(0)).

In mathematics, trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

Now, cos(tan^-1(0))

⇒tan^-1(0)=0

⇒cos(0)=1

The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.

To learn more about trigonometric ratios visit:

https://brainly.com/question/1201366.

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Answer:

$34.5

Step-by-step explanation:

because 3/4 of a pound is basically .75 of a pound. so the conversion from .75 of a pound to 7.5 pounds is just multiplying by 10. therefor you just multiply the initial price by 10

Answer:

$34.50

Step-by-step explanation:

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Answer:

10x

Step-by-step explanation:

If the question mark is an accident, the answer is 10x.

5x+6x-2x+x

11x-2x+x

9x+x

10x

Answer:

if a polynomial of lowest degree p has zeros at x=x1,x2,…,xn x = x 1 , x 2 , … , x n , then the polynomial can be written in the factored form: f(x)=a(x−x1)p1(x−x2)p2⋯(x−xn)pn f ( x ) = a ( x − x 1 ) p 1 ( x − x 2 ) p 2 ⋯ ( x − x n ) p n where the powers pi on each factor can be determined by the behavior of the graph ...

Answer:

-56x^9+24x^8

Step-by-step explanation:

Answer:

y=3/5x-14

Step-by-step explanation:

parallel lines have the same slope, so m=3/5

y=mx+b

-23=3/5(-15)+b

-23=-9+b

-14=b

y=mx+b

y=3/5x-14

Answer:

angle A is 53°

angle B is 90°

angle C is 37°

angle X is 53°

angle Y is 90°

angle Z is 37°

AB=3

BC=4

AC=5

XY=3

YZ=4

XZ=5

A submarine descends to a depth of 600 feet below the surface in 10 minutes. At this rate, what integer represents the change, in feet, of the submarine's position after one minute?

First you need to list what you're given.

A submarine descends to a depth of 600 ft below the surface in 10 minutes. The question is asking for the change of the submarine's position after one minute. This can be represented as fractions in terms of [tex]\frac{distance}{time}[/tex].

[tex]\frac{600}{10} = \frac{x}{1}[/tex]

You're looking for the value of x. First you need to cross-multiply.

[tex]600 \times 1 = 10 \times x\\600=10x[/tex]

Since you're looking for x alone, you need to divide both sides by 10. This will eliminate the 10 since x is being multiplied by 10, and 10 divided by 10 is 1, making it 1x or x.

[tex]\frac{600}{10} = \frac{10x}{10}[/tex]

[tex]60=x[/tex]

That means the submarine is descending at a rate of 60 feet per minute, which can be represented as -60.

If you're looking for the submarine's position after one minute, all you have to do is subtract 60.

600 feet below surface is represented as -600.

[tex]-600-60=-660[/tex]

The submarine's position after one minute is 660 feet below surface(-660).