MATHEMATICS HIGH SCHOOL

Write an equation that models the situation and find its solution.It's going to be Lindsay's birthday soon, and her friends Martin, Sylvia, Tad, and Yvonne have contributed equal amounts of money to buy her a present. They have $25.00 to spend between them. Determine how much each contributed

Answers

Answer 1

Answer:

4x = 25.00

X= $6.25

Step-by-step explanation:

If you divide 25.00 by 4 the answer should be 6.25

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Why is h²=p²+b²plz somebody help me

Answers

Answer:

This formula is related to Pythagorus theorem which states that in a right angled triangle square of hypotenuse is equal to sum of the squares of other two sides.

In other words, C²=B²+A²

In which quadrants is the ordinate positive?

I and II
II and III
I and IV

Answers

Answer:

I and II

Step-by-step explanation:

The quadrants are made out of two lines: ordinates (also called y axis) and abscissa (also called x axis), and their intersection. This is showed in the pic attached here. As you can see, the quadrants are named starting by the one on top-right with I and going on counter-clock wise.

The ordinates are the vertical. So we need to see which of the quadrants have positive values in the ordinates. Those will be the ones who or on the top of the image, over the abscissa axis.

I hope it works!

I and II have at least one positive. Start in the upper right, and move counterclockwise to number the quadrants.

Could someone please help with this question?

Answers

You can draw the same box but instead of having six squares across, do five squares across until you have 25 squares total

A swimming pool and deck are built in a rectangle with length 40 ft and width 18 ft. If the pool itself is 320 square feet, what is the area of the deck itself?

Answers

40*18=720

720-320=400

400 is the answer.

You have $1.55 worth of dimes and nickels in a jar. There are 23 coins in the jar. How many dimes do you have? How many nickels do you have

Answers

If the jar has $1.55 worth of dimes and nickels in a jar. There are 23 coins in the jar then there are 8 dimes and 15 nickels in the jar.

The total value of dimes and nickels in the jar is $1.55.

There are 23 coins in the jar.

d + n = 23 ...(1)

The total value of dimes and nickels is $1.55

0.10d + 0.05n = 1.55 ..(2)

Now, we need to solve this system of equations to find the values of "d" and "n."

We can use substitution or elimination method to solve it. Let's use the substitution method:

From Equation 1, we can rewrite it as: d = 23 - n

Now, substitute this value of "d" in Equation 2:

0.10(23 - n) + 0.05n = 1.55

2.30 - 0.10n + 0.05n = 1.55

Combine like terms:

-0.05n = 1.55 - 2.30

-0.05n = -0.75

Now, divide by -0.05:

n = -0.75 / -0.05

n = 15

Now that we have the value of "n" (nickels), we can find the value of "d" (dimes) from Equation 1:

d = 23 - n

d = 23 - 15

d = 8

Hence, there are 8 dimes and 15 nickels in the jar.

To learn more on Equation:

brainly.com/question/10413253

#SPJ3

i believe the answer is 35 dimes and 65 nickels (sorry if i’m wrong lol)

What is the slope of the line that is perpendicular to the line whose equation is 2x + y = 4.-2
-1/2
1/2
2

Answers

2x + y = 4
y = -2x + 4

Perpendicular Slope: ¹/₂

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Frank's bank charges a variable finance rate of 1.5 percent on purchases up to $100, and one percent for purchases over $100. If his unpaid balance is $354.15 this month, what is his finance charge?