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Pavel [41]
3 years ago
10

Edgar used 10 x d to represent the number of pennies in d dollars. Is this reasonable?

Mathematics
2 answers:
Olegator [25]3 years ago
7 0
Yes that is reasonable
Molodets [167]3 years ago
3 0
Yes that is a reasonable answer.
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. The area of a right triangle is 30 ft2. The base of the triangle is 12 ft. What is the length of the hypotenuse? Show
fgiga [73]

Answer:

The height is 5ft

Step-by-step explanation:

We know the area is 30ft^2 and the base is 12 ft.

Plug that information in the formula for the area of a triangle,

Formula for area of a triangle:

A = (1/2)bh  (area is one half of the product of    the base and height)

The question gives us A = 30, and b = 12.  We can plug them in and find h

30 = (1/2)(12)h

Now solve for h

  30 = 6h         (1/2)(12) means '12 times one half' or 'half of 12' which is 6

  5 = h              (30 divided by 6 is equal to 5)

5 0
4 years ago
Smart people tell me this show work What are the coordinates of the image of (2,-5) after a rotation of 270 degrees about the or
Norma-Jean [14]

Answer:

(2,5) instead of rotating 270 degrees you could rotate 90 degrees clockwise the figure is going to end up in quadrant 1 and the numbers stay the same put become positive

Step-by-step explanation:

6 0
3 years ago
I just need #7. I have a lot of work to catch up on and need as much help as possible.
Katen [24]

Answer:

I think it is F

Step-by-step explanation:

5 0
3 years ago
F(x)=4x+1 and g(x)=x^2-5find(f-g)(x)
Vinvika [58]

Answer:

<h2>-x²+4x +6</h2>

Step-by-step explanation:

Given f(x)=4x+1 and g(x)=x²-5

(f-g)(x) is derived by taking the difference of both functions

(f-g)(x) = f(x)-g(x)

(f-g)(x) = 4x+1 - (x²-5)

(f-g)(x)  = 4x+1-x²+5

(f-g)(x)  = -x²+4x +6

This gives the requires expression

4 0
4 years ago
2e - 3f = 4
Varvara68 [4.7K]

Answer:

The value of e is -1 and f is -2.

Step-by-step explanation:

The steps are :

2e - 3f = 4 -  -  - (1)

2e - 5f = 8 -  -  - (2)

2e - 3f - 2e - ( - 5f) = 4 - 8

2f =  - 4

f =  - 4 \div 2

f =  - 2

substitute \: f =  - 2  \: into \: (1)

2e - 3( - 2) = 4

2e + 6 =   4

2e = 4 - 6

2e =  - 2

e =  - 2 \div 2

e =  - 1

6 0
3 years ago
Read 2 more answers
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