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Brilliant_brown [7]
3 years ago
7

A stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. How long are the two piece

s?
Mathematics
2 answers:
marshall27 [118]3 years ago
7 0

Hello from MrBillDoesMath!

Answer:

7/3 and 14/3 inches

Discussion:

Let P1 = "Piece 1" and "P2 = Piece 2", Then P2 = 2 * P1 and

P1 + P2 = 7       => as P2 = 2 P1

P1 + 2P1 = 7      =>

3P1 = 7             => divide both sides by 7

P1 = 7/3


Then P2 = 2 P1 - 2* (7/3) = 14/3

Thank you,

MrB

9966 [12]3 years ago
6 0

Answer:

x + 2x = 7

3x = 7

x = 2.33

2x = 4.66

Step-by-step explanation:


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On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and curves up and increases in quadrant 1.
shepuryov [24]

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The domain of the function i.e. the value of x can be any real number and the range of the function is y > 0.

Step-by-step explanation:

On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and curves up and increases in quadrant 1.

Therefore, as x tends to - ∞, the y-value tends to 0 but not equal to zero and as x tends to +∞, the y-value also tends to +∞.

Hence, the domain of the function i.e. the value of x can be any real number and the range of the function is y > 0. (Answer)

7 0
3 years ago
(b) H is a point on the line y = 11 such that EH = GH.<br>Find<br>(i) the coordinates of H,​ (k=7)
sammy [17]

Answer:

hello : E(0,7)

Step-by-step explanation:

this is an solution

6 0
3 years ago
Tess cuts x slices of bread. She splits them evenly among 9 plates. Write an expression that shows how many slices are on each p
slega [8]

there are 9 plates and x slices on each plate so 9x

4 0
3 years ago
What is the parent function of g(x) = 3cos (x + 180°) + 1
nexus9112 [7]

The parent function of the function g(x) = 3cos (x + 180°) + 1 is f(x) = cos(x)

<h3>What are parent functions?</h3>

Parent functions are the basic function that represents the entire family of that function family

<h3>How to determine the parent function?</h3>

The function is given as;

g(x) = 3cos (x + 180°) + 1

As a general rule, the parent function of any function is the basic equation of the function family

The basic equation of the function g(x) = 3cos (x + 180°) + 1 is f(x) = cos(x)

Hence, the parent function of the function g(x) = 3cos (x + 180°) + 1 is f(x) = cos(x)

Read more about parent function at

brainly.com/question/17079244

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8 0
2 years ago
I need help with exercises 3,4, and 6 please show all work and don’t answer number 5 just tell me if it is correct
joja [24]
*If you need me to do #5, DM me!

3. 
The area of a triangle can be given by (just plug and chug as always):
A_t = \frac{1}{2} bh = \frac{1}{2}(3)(4) = 6ft^2
The area of the triangle is 6ft².

4. I will divide into a triangle and a rectangle (because the actual equation for the area of a pentagon requires it to be a perfect pentagon). Let's do the triangle first (height is 3 because you subtract 12 from 15):
A_t = \frac{1}{2} bh = \frac{1}{2}(8)(3) = 12m^2
A_r = bh = 12(8) = 96m^2
Now we just add them:
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So, the area of that pentagon is 108m².

5. You are actually wrong on this one because the area of a triangle is:
A_t = \frac{1}{2}bh
So, just halve your answer and it will be correct.

6. We can just split it into 4 triangles of equal area and then multiply the area of 1 triangle by 4 to get the total area. Let's do just that:
A_t = \frac{1}{2}bh = \frac{1}{2}(2.5)(5) = 6.25cm^2
Multiply by 4 to get total area:
6.25*4 = 25cm^2

So, the area of the given rhombus is 25cm².
8 0
4 years ago
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