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Tresset [83]
3 years ago
13

Sally gave her brother $3.95 in quarters and dimes if the number of quarters is 6 mores than the number of dimes how many quarte

rs did sally give her brother
Mathematics
1 answer:
lesya692 [45]3 years ago
7 0

Answer:

  13 quarters

Step-by-step explanation:

If we add 6 dimes, the total becomes 4.55, and there will be an equal number of quarters and dimes. That is, the money can be divided into coin pairs (quarter + dime) that are worth 0.35.

  4.55/0.35 = 13

such pairs can be formed.

Sally gave her brother 13 quarters.

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Complete the general form of the equation of a sinusoidal function having an amplitude of 4, a period of π , and a phase shift t
alex41 [277]

Answer:

4 sin (2x - 4).

Step-by-step explanation:

The amplitude of  sin x = 1 so our curve with amplitude 4 will have 4 sin x as part of the general form. To alter the period from 2pi to pi we multiply the x by 2, giving 4 sin 2x, Finally to get a phase shift of 2 to the right, we replace the x by x - 2.

Our formula is  4 sin (2(x - 2))

= 4 sin (2x - 4).

8 0
3 years ago
30 POINTS NEED HELP ASAP WILL MARK BRAINLY
padilas [110]

Answer:

Step-by-step explanation:

the 3rd one

5 0
2 years ago
the vaal dam can store 2536 million m3 of water when full. However it was 65 4% full on the 30 January 2020 how many litres of w
PIT_PIT [208]

Answer:

Current water in dam = 1,676.202 million m³ (Approx.)

Step-by-step explanation:

Given:

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Computation:

Current water in dam = Storage capacity of dam x Current water level

Current water in dam = 2,563 x 65.4%

Current water in dam = 1,676.202 million m³ (Approx.)

5 0
3 years ago
The real part of the complex number –5 + 3i is
photoshop1234 [79]

Answer:

-5

Step-by-step explanation:

The real part of -5 + 3i is -5, and the imaginary part is 3.

7 0
2 years ago
Can anyone answer this for me?
Sunny_sXe [5.5K]

Answer:

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Step-by-step explanation:

x^{2} results in a parabola (U-shape). Adding a negative in front of it flips the parabola to look like an upside-down U.

The 2 makes it shift up two decimal spots to (0,2).

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2 years ago
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