PLZ HELP ME I DON"T UNDERSTAND THIS :(

Answer:

5

Step-by-step explanation:

2x2=4

4-2=2

2-4=-2

-2+7=5

Answer:

5

Step-by-step explanation:

Here are the pairs matched with their products:

- (-5)(4.2) matches with -21

- (-7)(-3) matches with 21

- (2.5)(-9) matches with -22.5

Pairs (4) and (5) do not have corresponding products in the given options.

Answer: None of them are a function

Step-by-step explanation: they don't relate

Answer:

0.1

Step-by-step explanation:

Multiple 0.035 times 3 and round it to the tenth

Answer:

x=2  y=11

Step-by-step explanation:

Answer:

The equation represents: A relation and a function

Step-by-step explanation:

A function is said to be a relation; however, the relation does not have to function. For a relation to result in a function, then every input gives an important output. Thus; the given information x² + y - 15 = 0 can be re-written as:

y = - x² + 15

Similarly, the equation typically illustrates a relation as well. Consequently, suppose we replace any x-value for x, then the one possible output will be for y. Hence, that is also a function.

Answer:

12(x + 8)  8(x + 12)  and x( 12 + 8) all equal to 20x

Step-by-step explanation:

Three equivalent expressions of 12x + 8 are, 2(6x + 4), 4(3x + 2) and

8 + 12x.

The GCF of two or more than two numbers is the highest number that divides the given two numbers completely.

We also know that distributive property states a(b + c) = ab + ac.

Given, An expression 12x + 8.

Now, The first way of writing an equivalent expression to 12x + 8 is,

2(6x + 4).

The second one is,

4(3x + 2).

We can also write an equivalent expression for 12x + 8 by the commutative law of addition (a + b) = (b + a).

Therefore, 12x + 8 is equivalent to 8 = 12x.

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Answer:

B. 10,368 square yards

Step-by-step explanation:

120x90= 10800

24x18=432

10800-432= 10,368 square yards

Answer:

4400

Step-by-step explanation:

I think this is right sorry if its not. Have a good night, sorry if im late.

Answer:

  4600 miles

Step-by-step explanation:

You want to know the difference in miles per hour between a satellite traveling 45000 miles in 5 hours and one traveling 79200 miles in 18 hours.

The speed in miles per hour is the ratio of miles to corresponding hours. The difference in miles traveled in one hour will be ...

  A speed - B speed

  45000 mi/(5 h) - 79200 mi/(18 h) = 4600 mi/h

Explorer B travels 4600 fewer miles in an hour than Explorer A.

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Answer:

Mary is adding - 2

Step-by-step explanation:

Mary is adding - 2 to - 2 but instead she is supposed to be multiplying - 2 to - 2

Answer:

66%

Step-by-step explanation:

The diameter of gold atom is 1.96 times larger than the diameter of oxygen atom.

The diameter of a sphere is the length of the line segment passing through center of the sphere and joining two points on the surface of the sphere .

Given that the diameter of a gold atom is 144  trillionths of a meter .

⇒ Diameter of gold atom  = 144*10⁻¹² m

Given that the diameter of a oxygen atom is 0.074 billionths of a meter .

⇒ Diameter of oxygen atom  = 0.074*10⁻⁹ m

To compare this two diameters  we have to make their exponent part same

⇒ Diameter of gold atom  = 144*10⁻¹² m = 144*10⁻² *10⁻¹⁰m = 1.44 *10⁻¹⁰

⇒ Diameter of oxygen atom  = 0.074*10⁻⁹ m = 0.74*10⁻¹⁰ m

Now we can see that Diameter of gold atom is greater than diameter of oxygen atom.

Diameter of gold / Diameter of oxygen = 1.44 /0.74 = 1.96

Therefore, Diameter of Gold is 1.96 times larger than the diameter of oxygen.

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Answer:

$7.20

Step-by-step explanation:

3.00÷5=0.60

60 cents per roll

now we multiple that by 12.00

12x6

72

now add the decimal

$7.20

Answer:

Step-by-step explanation:

The number of those line segments which have endpoints of different colors is 47.

What is permutation and combination?

A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.

We have:

There are 5 red, 4 green, and 3 blue points on a circle.

There are different colored endpoints on each line segment that starts at a red point and travels to either a green point or a blue point.

There are 5 red points and 7 segments from each of them, making a total of 35 segments.

There are different colored endpoints on each line segment that leaves at a green point and travels to either a red or blue point.

There are 4 green points and 8 segments from each, for a total of 32 segments.

There are different colored endpoints on each line segment that leaves at a blue point and travels to either a green point or a red point.

Each blue point has 9 segments, and there are a total of 5 blue points.

Add all the ways = 35 + 32+ 27

= 94 segments.

Number of segment = 94/2 = 47

Thus, the number of those line segments which have endpoints of different colors is 47.

Answer:try 4

Step-by-step 48 divided by 12

Answer:

I will try to answer once you give a screenshot not a download pdf...

Step-by-step explanation:

help with what? there's nothing here

Answer:

-12n+6m-15

Hope this helps! ❤️❤️❤️

Answer:

-12n+6m-15

Step-by-step explanation:

Answer:

The correct answer is 24 miles.

Step-by-step explanation:

Since 1 x 40 = 40, we must multiply 0.6 by 40.

0.6 x 40 = 24

Therefore, the tour is an estimate of 24 miles.

Answer:

$9.60

Step-by-step explanation:

To find the tip, you have to multiply it by the total bill. 15% turns into 0.15, and if you multiply that to 64, you get $9.60

Hope this helps!

Answer:

the person who answerd in front is right i did math and it did come up to $9.60

Step-by-step explanation:

Answer:

Step-by-step explanation:

Let’s mark the Triangle Points as Point A, Point B, Point C.

Point A = 1x°

Point B = 2x°

Point C = 3x°

We know that the Angle Sum of a Triangle is equal to 180°.

So, Point A + Point B +Point C = 180°

   = 1x° + 2x° + 3x° = 180°

   = (1 + 2 + 3)x° = 180°

   = 6x° = 180°

   = x° = (180/6)°

   = x° = 30°

|  —                                 —  |

|   Point A = 1 * 30° = 30°    |         ⇒

|   Point B = 2 * 30° = 60°   |         ⇒          Only Extra Information

|    Point C = 3 * 30° = 90°  |         ⇒

|  —                                 —  |

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Answer:

Please provide an image of the line plot so your question can be answered.

Option (D) 1 1/2 pounds

I got this question once in a quiz.

Answer:

y=12x-16

Step-by-step explanation:

Answer:

48.1 somewhere around 36 and 57

Step-by-step explanation:

Answer:

36-57

Step-by-step explanation:

18.50 x 2.6 = 48.10, which is between those two numbers

Answer:

3(16x+9)/4

make sure it's a fraction

Answer:

27 11/4x

Step-by-step explanation:

First we add the similar parts of the expression.

Whole numbers

6 + 9 + 5 + 7 = 27

Then we add the fractions that dont have x.

We only add the numerators (2 and 3) and dont change the denominators (4)

2/4 + 3/4 = 5/4

Now we add the ones with x.

5/4 + 3/4x + 3/4x = 11/4x

Now we combine those parts together, making

27 11/4x

sorry if Im wrong

Assign the numbers to the number line in the following order:

2.15=2.15

220%=2.2

9/4=2.25

*2.15* is easy enough to place as it is already in decimal form. However, the other 2 options need to be converted to decimals in order to be placed. We have the fraction 9/4 and percentage 220%. 9/4 can either be simply divided on a calculator or turned into the mixed fraction 2 and 1/4, which is *2.25*. Finally, we know that converting a decimal to a percentage we multiply the decimal by 100. Therefore, to convert a percentage to a decimal we divide 100 or move the decimal to the left 2 places. With this conversion rule, 220% transforms to *2.2* and we have the third and final number for our number line. Arranging these three numbers from least to greatest:

2.15, 2.2, 2.25

Answer: the awnser would be b

Step-by-step explanation:

The function for the points are  y = -15x - 5

From the information given, we have that;

The points are;

(1/3,0) (-2 3/4,0) and (0,-5)

Using the point-slope form of a linear equation, we have;

y - y₁ = m(x - x₁)

Such that;

Using (1/3, 0) and (0, -5), we have that the slope is;

m = (0 - (-5))/0 -1/3)

expand the bracket

= 5 / (-1/3)

= -15

Now, take any of the given points and substitute the values

Using (1/3, 0), we get;

y - 0 = -15(x - 1/3).

y = -15x - 5.

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The function for the points solved by  (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)

We have given the points:

(1/3,0) (-2 3/4,0) and (0,-5)

Using the formula of linear equation

\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)                                                          

Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)

that is 1/3 = \(a\), 0 = \(a_{1}\) and

0 = \(b\), -5 = \(b_{1}\)

\(x\) refers to the slope of line (take any variable)

Now for finding the value of \(x\),

\(x=a-a_{1}/b-b_{1}\)

inserting the values,

\(x=[0-[-5]]/[0-1/3]\\x= -15\)

Substitute the value of \(x\) in the equation

\(a-0=-15[b-1/3]\)

By simplifying the equation, we get

\(a=-15b-5\)

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