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Artemon [7]
2 years ago
10

3 + x = 9 solve for x

Mathematics
2 answers:
Lerok [7]2 years ago
4 0
X is equal to 6
3+6=9
X=6
gtnhenbr [62]2 years ago
3 0

Answer: 6

Step-by-step explanation: You can use an algebraic equation to solve this.

3 + x = 9

-3        -3

_______

x = 6

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What number do you reach when you start at -7 and move 3 units to the right ​
Vesna [10]

Answer: The number you reach would be -4

Step-by-step explanation:

5 0
3 years ago
What is the longest line segment that can be drawn in a right rectangular prism that is 15 cm​ long, 11 cm​ wide, and 10 cm​ tal
sammy [17]

Answer:

  √446 ≈ 21.12 cm

Step-by-step explanation:

The longest dimension of a rectangular prism is the length of the space diagonal from one corner to the opposite corner through the center of the prism. The Pythagorean theorm tells you the square of its length is the sum of the squares of the dimensions of the prism:

  d² = (15 cm)² +(11 cm)² +(10 cm)² = (225 +121 +100) cm² = 446 cm²

  d = √446 cm ≈ 21.12 cm

The longest line segment that can be drawn in a right rectangular prism is about 21.12 cm.

_____

<em>Additional comment</em>

The square of the face diagonal is the sum of the squares of the dimensions of that face. The square of the space diagonal will be the sum of that square and the square of the remaining prism dimenaion, hence the sum of squares of all three prism dimensions.

8 0
2 years ago
If x = 13 then the value of \sqrt{x-5} is
statuscvo [17]

Answer:

2.23

Step-by-step explanation:

take the squareroot of 13-5

(it's been corrected)

8 0
3 years ago
Read 2 more answers
Records show that 12% of all college students are foreign students who also smoke. It is also known that 40% of all foreign coll
Sati [7]

Answer: the percent of the students at this university are foreign = 30%

Step-by-step explanation:

Given: Probability that college students are foreign students who also smoke: P(S|F)=0.12

Probability that foreign college students smoke P(S∩F)=0.4

The probability that the students at this university are foreign :

P(F)=\dfrac{P(S\cap F)}{P(S|F)}  [By conditional probability formula]

=\dfrac{0.12}{0.4}\\\\=0.3

Hence, the percent of the students at this university are foreign = 30%

6 0
3 years ago
Michael reads 12 pages of a book in 18 minutes. If he reads at the same rate, how many pages will he read in 37 minutes?
Irina-Kira [14]

Answer:

Around 25 pages / 1.5 minute(s)

Step-by-step explanation:

18 / 12 = 1.5 minutes per paper.

So, 18 + 18 = 36 + 1 = 37 minutes

12 + 12 = 24 + 1 = 25

37 / 25 = 1.5

8 0
3 years ago
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