MATHEMATICS MIDDLE SCHOOL

40 points if answered correctly!!!!!
Squishycat07 avatar

Answers

Answer 1
Answer:

Answer:

760 feet

Step-by-step explanation:

Area of the parallelogram = base times height

So 40 times 38 = 1520 feet

Area of rectangular walkway = 38 times 20 = 760

1520-760=760
Answer 2
Answer:

Answer: 1520 square feet

Step-by-step explanation: Find the area of the triangle on the right. The bases are 38 and 40. Use the formula 1/2(l*w). 38*40=1520. 1520/2=760.

Next find the area of the triangle on the left. Since it's a parallelogram, both the top and bottom will be the same, so the other base is 40 ft. This also means that the area will be the same, so its area is also 760.

Finally add up the areas of the two triangles. 760+760=1520.

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What’s the answer???

And please explain

Answers

Answer:

35 square units

Step-by-step explanation:

area \: of \: { \parallel}^(gm) = b * h \n = 7 * 5 \n = 35 \: {units}^(2)
Area of a parallelogram is base times height

837 plus equals 2000 in math

Answers

2000
+837
2837

837 plus 2000 is equal to 2837

2877

837 + 2000 =2877

What is 3x^2-2n-5=0
please help me!!!

Answers

The answer to your question is: 
It is a quadratic equation in 'x', with 'n' mistakenly typed in the second term..

Although you didn't ask for the solutions to the equation, I'm already here
so I might as well go through it and find them:

3x² - 2x - 5 = 0

In terms of the generic quadratic formula:
A = 3
B = -2
C = -5

Plug those into the quadratic formula, and you discover that

x = -1
and
x = ⁵/₃
3x^2-2x-5=0

(3x-5)(x+1) = 0

3x-5=0

3x=5

x= (5)/(3)

x+1 =0

x=-1

x=-1, (5)/(3)

H(x) = x3 + 7
Determine whether the function is one-to-one.

Answers

Answer:

we conclude that the function is one-to-one.

Step-by-step explanation:

A function will a one-to-one function if it

  • passes the vertical line test to make sure it is indeed a function, and
  • also a horizontal line test to make sure it is it one-to-one.

In other words,

The function will be one-to-one if it passes the vertical line test, and also if the horizontal line only cuts the graph of the function in one place.

The reason is that there must be only one x-value for each y-value.

Given the function

h\left(x\right)\:=\:x^3\:+\:7

Have a look at the attached graph.

  • The red portion represents the graph of the function h\left(x\right)\:=\:x^3\:+\:7.
  • The green portion represents the graph of x=2 which is basically a vertical line test. Vertical line indicates that it cuts the cuts the graph of the function in one place. So it is clear that h\left(x\right)\:=\:x^3\:+\:7 is indeed a function.
  • The blue line represents the graph of y=9, which is basically a horizontal line test. Horizontal line indicates that it cuts the cuts the graph of the function in one place. So it is clear that h\left(x\right)\:=\:x^3\:+\:7 is a one-to-one function, as there is only one x-value for each y-value.

Therefore, we conclude that the function is one-to-one.

A cylinder is full at 471 cm3 and has a radius of 5 cm. It currently contains 314 cm3 of water. What will the difference in the height of the water be when the cylinder is full? Use 3.14 to approximate pi.

Answers

Volume of a cylinder = π r² h

fully filled w/ water:
471 cm³ = 3.14 * (5cm)² * h
471 cm³ = 3.14 * 25cm² * h
471 cm³ = 78.5 cm² * h
471 cm³ / 78.5 cm² = h
6 cm = h  

partially filled with water
314 cm³ = 78.5cm² * h
314 cm³ / 78.5 cm² = h
4 cm = h

6 cm - 4 cm = 2 cm the difference in the height of the water.

Simplify:24/40x


(If anyone thinks I suck at math... Well I kinda agree)

Answers

Hi there! All you have to do is divide 24 and 40 by a GCF which means Greatest Common Factor. A Greatest Common Factor for 24 and 40 is 8. So, 24/8=3 and 40/8=5, Therefore, 24/40x simplified is 3/5x. Hoped I helped. :)
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