MATHEMATICS MIDDLE SCHOOL

Calculate the perimeter and area of the following square if a= 19

Answers

Answer 1

Answer:

we are given

Area:

side=a=19

we know that

area of square = side*side

$Area=a*a$

now, we can plug value

and we get

$Area=19*19$

$Area=361$

Perimeter:

perimeter=4a

$perimeter=4*19$

$perimeter=76$

Answer 2

Answer:

Formula for perimeter of a square: P = 4a

Formula for area of a square: A = a²

a is given as:

Plug this value for a into the above formulas to solve for perimeter and area.

P = 4a

P = 4(19)

P = 76

-----------------------------------------------------------------------------------------------------------------

A = a²

A = 19²

A = 361

Answer:

P = 76 units; A = 361 units².

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if the area of a parallelogram is 86cm and the height is 12cm write an equation that relates the height,base and area of the parallelogram
2х + Зу = 6— 4х + 3y = 12x=y=
Which of the segments below is a secant?
What is the value of X

What is the value of y?

6(5 + 3) = 6 • 5 + 6 • y

Answers

$6(5+3)=6\cdot5+6\cdot y\n\n6(8)=30+6y\n\n48=30+6y\ \ \ \ |subtract\ 30\ from\ both\ sides\n\n18=6y\ \ \ \ |divide\ both\ sides\ by\ 6\n\n3=y\n\n\huge\boxed{y=3}$

6(5+3)=(6)(5)+6y

Simplify

6(5+3)=(6)(5)+6y

48=30+6y

48=6y+30

Flip the equation.

6y+30=48

Subtract 30 from both sides.

6y+30−30=48−30

6y=18

Divide both sides by 6.

6y / 6 = 18/ 6

y=3

a local little League has a total of 60 players of whom 20%are left handed .how many left handed players are there?

Answers

Answer:

Step-by-step explanation:

left handed players : 20% of 60

turn ur percent to a decimal...." of " means multiply

0.20 * 60 = 12 are left handed

Answer:

x = 12

Step-by-step explanation:

Take the number of players and multiply it by 20%.

60 x 20% = x

60 x .2 = x

x = 12

Hope this helps you out.

Help with math please???

Answers

Okay, let's see...

The problem is asking for a linear equation most likely in the form of y=mx+b

y is another way to say f(x)

m = slope

b = y intercept

Let's start with the y intercept first.

Y intercept means ' When does the line touch (intercept) the y axis.

In this case, if you look at the graph, the line touches the y axis at -1.

-1 will replaces b

To find the slope we are going to take 2 precise points from the graph.

Lets use (0,-1) and (-6,4)

To find the slope, we're going to use $((y_(2) -y_(1) ))/((x_(2) -x_(1) ))$

4 - (-1) / -6 - 0

Solve, our slope is 5/-6

That is our m

Our final equation is

$f(x)=(-5)/(6) x -1$

Determine whether the sample is biased. Explain.The Candlelit Store surveys its Monday customers to find out their opinion on a new scented candle.

The sample is biased. The sample does not include shoppers at the grocery store.

The sample is biased. The sample does not include customers who shop there on days other than Monday.

The sample in not biased. It is a random sample.

The sample is not biased. It fairly represents the population.

Answers

The sample is not biased. It is a random sample.

You need at least $635 to go on a trip to Washington, DC. You already have $75 saved for the trip. You decide to save an additional $65 per week. Which inequality shows the number of weeks, w, you need to save to be able to go on the trip?A) 65w+75≥635

B) 65w+75≤635

C) 65w≥635+75

D) 65w≤635+75