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adelina 88 [10]
3 years ago
7

Complete the equation so that it has solutions of -5 and 7 2+

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
7 0

Answer:

x^2 -2x -35 = 0

Step-by-step explanation:

Lets's solve backwards

x = -5

Add 5 to both sides

x + 5 = 5 - 5

x + 5  = 0

and

x = 7

Subtract 7 from both sides

x - 7 = 7 - 7

x - 7 = 0

Finding the product of both linear functions

(x + 5)(x - 7) =0

x^2 -7x + 5x -35 =0

x^2 -2x -35 = 0

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Write a sine function that has a midline of 2, an amplitude of 4 and a period of 11.
svetoff [14.1K]

Answer:

y = 4 sin(2π/11 x) + 2

Step-by-step explanation:

y = A sin(2π/T x + B) + C

where A is the amplitude,

T is the period,

B is the phase shift,

and C is the midline.

A = 4, T = 11, and C = 2.  We'll assume B = 0.

y = 4 sin(2π/11 x) + 2

3 0
3 years ago
What is 315 written as a product of prime factors in index form? Can somebody please explain this to me in english?
dmitriy555 [2]
I'm guessing it's like this
example
18=2*3*3=(2¹)(3²)


315/5=63
63/3=21
21/3=7

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4 0
3 years ago
Emma used 1/7 of a liter of milk to make 1/3 of a jug of tea. How much milk, in liters, is required to fill the jug?
fiasKO [112]

Answer:

Step-by-step explanation:

Well....if 1/7 liters  of milk makes 1/6 of a jug

Then  six times this must be a full jug....so

6*(1/7)   =

6/7 liters of milk  required

i hope this helps you happy holidays let me know if you need more information

6 0
3 years ago
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A lighthouse has a shadow that is 36 feet long.
VLD [36.1K]
To find this it would be 36/3=4/x
Then cross multiply
36*4/3
That’s the answer
5 0
3 years ago
Read 2 more answers
What is 200 +90 + 3 in standard form?
xxTIMURxx [149]

Answer: 293

200 = 2

90 = 9

3 = 3

Answer is 293.

Hope this helps!

4 0
3 years ago
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