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Vera_Pavlovna [14]
3 years ago
5

What is 3(x+3)-10=32 solving for x and in set notations ?

Mathematics
2 answers:
Mazyrski [523]3 years ago
4 0

Answer:

x=11

Step-by-step explanation:

Mnenie [13.5K]3 years ago
3 0

Answer:

3(x+3) - 10 = 32

3x + 9 - 10 = 32

3x - 1 = 32

+1 + 1

-----------------------

3x= 33

—————

3 3

x= 11

I hope this helps you

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HELP PLEASE! What does it mean if the probability is 20% that a spinner will stop in a red section? (I think it's C.)
Svetradugi [14.3K]
80% not stop on red so the answer would be c for that
8 0
3 years ago
(2.0 x 10-3) (3.5 x 10)<br> What is the value of the expression?
Mademuasel [1]

Answer:

595

Step-by-step explanation:

SOLUTION STEPS

(2.0×10−3)(3.5×10)

Multiply 2 and 10 to get 20.

(20−3)×3.5×10

Subtract 3 from 20 to get 17.

17×3.5×10

Multiply 17 and 3.5 to get 59.5.

59.5×10

Multiply 59.5 and 10 to get 595.

595

7 0
3 years ago
Write your answer as a decimal or whole number.<br><br> ___% of $75=$42
Basile [38]

Answer:

x=56

Step-by-step explanation:

\frac{x}{100} · \frac{42}{75}

then cross multiply

4200=75x

x=56

3 0
3 years ago
Need help again asap please! Find the sum of the first 30 terms of the sequence below an=3n+2
hoa [83]

S_{30} = 1455

generate a few terms of the sequence using a_{n} = 3n + 2

a_{1} = ( 3 × 1) + 2 = 5

a_{2} = (3 × 2) + 2 = 8

a_{3} = (3 × 3 ) + 2 = 11

a_{4} = (3 × 4 ) + 2 = 14

a_{5} = ( 3 × 5 ) + 2 = 17

the terms are 5, 8, 11, 14, 17

these are the terms of an arithmetic sequence

sum to n terms is calculated using S_{n} = \frac{n}{2} [ 2a + (n-1)d]

where a is the first term and d the common difference

d = 8 - 5 = 11 - 8 = 14 - 11 = 3 and a_{1} = 5

S_{30} = \frac{30}{2} [( 2 × 5) + (29 × 3) ]

= 15( 10 + 87) = 15 × 97 = 1455



3 0
3 years ago
Read 2 more answers
Pls help 50 points
erastovalidia [21]

Using it's concepts, the average speed and the average velocity are given as follows:

  • Average speed: 40 miles per hour.
  • Average velocity: 0 miles per hour.

<h3>Average speed</h3>

The average speed is given by the quotient between the total distance traveled and the time taken, that is:

Average speed = total distance/time

In this problem, the total distance is of 60 miles(30 miles west + 30 miles south), in a time of 1.5 hours(1 hour west and 0.5 hours south), hence the average speed is given as follows:

Average speed = 60/1.5 = 40 miles per hour.

<h3>Average velocity</h3>

The average velocity is given by the quotient between the displacement and the time taken, that is:

Average velocity = displacement/time

The displacement is the difference between the final position and the initial position. Since the person got back to the start, finish = start, hence the displacement is of zero, as is the average velocity.

More can be learned about speed and velocity at brainly.com/question/4931057

#SPJ1

5 0
1 year ago
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