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Vika [28.1K]
3 years ago
8

4(x+7)=38 what does x equal?

Mathematics
1 answer:
mariarad [96]3 years ago
6 0

Answer:

2.5

Step-by-step explanation:

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Hello everyone, need help on this, select all the correct answers that are equivalent.
mihalych1998 [28]

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

You can perform the division and look at the quotient and remainder to convert an improper fraction to a mixed number.

  23 ÷ 6 = 3 r 5   ⇒   23/6 = 3 5/6 ≠ 4 1/6

  11 ÷ 4 = 2 r 3   ⇒   11/4 = 2 3/4 ≠ 2 1/2

  35 ÷ 4 = 8 r 3   ⇒   35/4 = 8 3/4

  15 ÷ 8 = 1 r 7   ⇒   15/8 = 1 7/8

  40 ÷ 12 = 3 r 4   ⇒   40/12 = 3 4/12 = 3 1/3

5 0
3 years ago
Which fraction is equivalent to negative 4 over 6?
Ksenya-84 [330]

Answer:

Step-by-step explanation:

The answer is 4 over negative 6 is equal to negative four over six.

hope this helps.

6 0
3 years ago
Read 2 more answers
Evaluate the function f(x) = 3x2− 2x for x= 4.
kykrilka [37]

Answer:

40

Step-by-step explanation:

f(4) = 3(4²) - 2(4)

= 3(16) - 8

= 48 - 8

= 40

when x=4, f(x) = 40

6 0
3 years ago
For what values of theta (0 less than or equal to theta less than or equal to 2pi) do maximum r values occur on the graph the po
9966 [12]

Answer:

Step-by-step explanation:

To find the values of the angle which makes maximum r you use the derivative of r

\frac{dr}{d\theta}=\frac{1}{3}sin(3\theta)

If you equals this derivative to zero you obtain the value of the angle:

\frac{dr}{d\theta}=0\\\\cos3\theta=0\\\\3\theta=\frac{\pi}{2}\\\\\theta=\frac{\pi}{6}

However, the values of 5π/6 and 9π/6 are also available, because makes the sinusoidal function equal  to 1.

hence, the answer is:

\theta_1=\frac{\pi}{6} \\\\\theta_2=\frac{5\pi}{6}\\\\\theta_3=\frac{9\pi}{6}=\frac{3\pi}{2}

answer b

7 0
3 years ago
Question 13 please help& give explanation if possible thank u
Lisa [10]

Answer:

Step-by-step explanation:

7 0
3 years ago
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