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11Alexandr11 [23.1K]
3 years ago
11

Geoff has d donuts. The amount of bagels he has is 3 less than 4 times the amount of donuts.

Mathematics
1 answer:
bazaltina [42]3 years ago
4 0
Bagels = 4d - 3

Four times means 4d and you subtract 3 because Geoff has three less than 4 times. 

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Use the Distributive Property to find (z−5)(z+3).
Anastasy [175]
Consider, (z-5)(z+3). Let's say a = z-5 then the problem reduces to a(z+3)=za+3a. (Do you understand this step?)

So then replacing a again with our definition we get, z(z-5)+3(z-5)=z^2-5z+3z-15=z^2-2z-15.
4 0
3 years ago
I am so confused! Can anyone help me with this trig problem?
Dominik [7]

\frac{5\pi }{4} or \frac{7\pi }{4}

divide both sides by 2

sinΘ = - \frac{\sqrt{2} }{2}

Since the sin ratio is negative then Θ is in third / fourth quadrants

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4 0
3 years ago
Which function is a horizontal compression of its parent function f(x)=x^7 by a factor of 4
evablogger [386]

Answer:

r(x)=(4x)^7


Step-by-step explanation:

  • For a horizontal compression, we multiply whole numbers greater than 1 in front of x of the given function.
  • For horizontal expansion, we multiply by the reciprocal of the number for horizontal compression, in front of x of the function.

For example,

If we wanted to <u>horizontally compress</u> y=x^2, we would multiply by 4 to get y=(4x)^2, and

if we wante to <u>horizontally expand</u> y=x^2, we would multiply by \frac{1}{4} to get y=(\frac{1}{4}x)^2


Since this question asks for horizontal compression, we multiply the x of the function by 4. So the function we need is f(x)=(4x)^7. The second choice is correct.

8 0
3 years ago
If a = m 2 + 2, what is the value of a when m = -3? -7 -4 8 11
Ad libitum [116K]

<u>Given</u>

  • a = m(2) + 2
  • value of a when m = -3

<u>Substitute m with -3</u>

a = -3*2 + 2

a = -6 + 2

a = -4

<u>Answer</u>

The value of a when m = -3 is -4

7 0
3 years ago
Read 2 more answers
This question is confusing me
Ksenya-84 [330]
It’s C that’s the only one that works
6 0
3 years ago
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