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Andrews [41]
3 years ago
7

True or false 20 points brainlist to first 1

Mathematics
2 answers:
Pie3 years ago
7 0

Answer:

True

True

True

True

False

Semmy [17]3 years ago
4 0

Answer:

1. True

2. True

3.False

4.True

5. False

Step-by-step explanation:

hope this helps you.

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Each student’s unique identification number is paired with his or her grade level.
Dafna11 [192]

Answer:

B

Step-by-step explanation: We dont have enough info to answer this question

4 0
2 years ago
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Percent of Change
Amanda [17]

Before we continue, note that "percent increase from 43 to 78" is the same as "the percentage increase from 43 to 78". Furthermore, we will refer to 43 as the initial value and 78 as the final value.

So what exactly are we calculating? The initial value is 43, and then a percent is used to increase the initial value to the final value of 78. We want to calculate what that percent is!

Here are step-by-step instructions showing you how to calculate the percent increase from 43 to 78.

First, we calculate the amount of increase from 43 to 78 by subtracting the initial value from the final value, like this:

78 - 43

= 35

To calculate the percent of any number, you multiply the value (n) by the percent (p) and then divide the product by 100 to get the answer, like this:

(n × p) / 100 = Answer

In our case, we know that the initial value (n) is 43 and that the answer (amount of increase) is 35 to get the final value of 78. Therefore, we fill in what we know in the equation above to get the following equation:

(43 × p) / 100 = 35

Next, we solve the equation above for percent (p) by first multiplying each side by 100 and then dividing both sides by 43 to get percent (p):

(43 × p) / 100 = 35

((43 × p) / 100) × 100 = 35 × 100

43p = 3500

43p / 43 = 3500 / 43

p = 81.3953488372093

Percent Increase ≈ 81.3953

That's all there is to it! The percentage increase from 43 to 78 is 81.3953%. In other words, if you take 81.3953% of 43 and add it to 43, then the sum will be 78.

The step-by-step instructions above were made so we could clearly explain exactly what a percent increase from 43 to 78 means. For future reference, you can use the following percent increase formula to calculate percent increases:

((f - n)/n) × 100 = p

f = Final Value

n = Initial Value

p = Percent Increase

Once again, here is the math and the answer to calculate the percent increase from 43 to 78 using the percent increase formula above:

((f - n)/n) × 100

= ((78 - 43)/43) × 100

= (35/43) × 100

= 0.813953488372093 × 100

≈ 81.3953

3 0
1 year ago
ANSWER PLEASE LINKS , SPAM , OR WRONG ANSWER WILL BE REPORTED AND DELETED 100 POINTS TO ANSWER AND YOU WILL GET BRAINLIEST PLEAS
Musya8 [376]

Answer:

Area of polygon = 42.63 mm²

Step-by-step explanation:

Given:

  • L = 8.7 mm
  • W = 4.9 mm

To find the area of the polygon (rectangle), multiply the length with the width.

⇒ Area of polygon = LW

<u>Substitute the values into the area:</u>

⇒ Area of polygon = (8.7)(4.9)                                [L = 8.7 mm; W = 4.9 mm]

⇒ Area of polygon = 42.63 mm²

7 0
2 years ago
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How many possible lunches can be made consisting of one entree One drink and one snack into your answer in the box
Klio2033 [76]

Answer:

27

Step-by-step explanation:

Lunch package :

1 entree ;

1 drink

1 snack

From the picture attached :

Number of entrees = 3

Number of drinks = 3

Number of snack = 3

Number of possible lunches containing 1 of each :

Number of entrees * number of snacks * number of drinks

3 * 3 * 3 =.27

27 different lunches

6 0
3 years ago
Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a seperate piece of paper. Using those graphs, compare and contrast
Andrei [34K]

Answer:

Shape is parabolic and there is translation of 4 unit upward.

Step-by-step explanation:

Given : The quadratic functions y = -2x^2 and y = -2x^2 + 4

To find : Using those graphs, compare and contrast the shape and position of the graphs?

Solution :

Let, y_1= -2x^2

and  y_2= -2x^2 + 4

Now, we plot these two equations.

The graph of y_1= -2x^2  is shown with green line with vertex(0,0)

The graph of y_2= -2x^2 + 4  is shown with violet line with vertex(0,4)

We have seen in the graph that the graph of y_2 is shifted 4 unit upward with the graph of y_1

Transformation to upward,

f(x)→f(x)+b , the graph of f(x) is shifted upward by b unit.

The shape of both the graph is parabolic but the position is different.

There is a 4 unit upward translation.

Refer the attached graph below.                

6 0
3 years ago
Read 2 more answers
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