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Elena-2011 [213]
3 years ago
15

If Johnny has 3 apples and he gives Tom one apple how many apples does Johnny have

Mathematics
2 answers:
Bezzdna [24]3 years ago
8 0
2 apples 3-1=2 because if you have 3 apples and tom takes 1 do the math 1-3 you're answer is 2
charle [14.2K]3 years ago
3 0
3-1=2
He has 2 apples
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Find [4(cos15° + isin15°)]^3 and express it in a + bi form.
AleksandrR [38]

Answer:

see explanation

Step-by-step explanation:

Using De Moivre's theorem

Given

[ 4(cos15° + isin15° ) ]³, then

= 4³ [ cos(3 × 15°) + isin(3 × 15°) ]

= 64 (cos45° + isin45° )

= 64 (\frac{\sqrt{2} }{2} + \frac{\sqrt{2} }{2} i )

= 64 (\frac{\sqrt{2} }{2} (1 + i) )

= 32\sqrt{2} (1 + i)

= 32\sqrt{2} + 32\sqrt{2} i

5 0
3 years ago
which ordered pair is a solution of the equation y=4x-7 A. only (2,1) B. only (4,9) C. Both (2,1) and ( 4,9) D Neither
Sphinxa [80]

Hey there! :)

Answer:

C. Both (2,1) and (4,9)

Step-by-step explanation:

To solve this question, simply plug in the coordinates of answer choices given into y = 4x - 7:

A.

1 = 4(2) - 7

1 = 8 - 7

1 = 1. A is correct.

B.

9 = 4(4) - 7

9 = 16 - 7

9 = 9. B is correct.

Therefore, the correct answer is C. Both (2,1) and (4,9) are solutions to this equation.

7 0
3 years ago
In the solution, 3b + 9c = 3(b + 3). What should be done to make it CORRECT?
stiks02 [169]

Answer:

The second term of the binomial factor should be 3c instead of 3.

Step-by-step explanation:

Distributive property:

a*b + a*c = a*(b +c)

3b + 9c = 3*b + 3* 3 *c = 3*(b + 3c)

7 0
3 years ago
How many solutions does
Nikolay [14]

Answer:

A no solution

Step-by-step explanation:

y = 2x + 10

3y - 6x = 30

3(2x+10) -6x =30

6x +30 -6x =30

6x -6x = 30-30

0=0

3 0
2 years ago
SO LOST! ASAP!<br><br> Please show proof of your answer! I’m so lost...
Luba_88 [7]

Answer:c. Y=(x-3)^2-2

Step-by-step explanation: y=(x-3)^2-2

Y=x^2-6x+7

4 0
3 years ago
Read 2 more answers
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