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Amanda [17]
3 years ago
9

Which value for x makes the sentence true?

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

x=5.6

Step-by-step explanation:

Divide both sides by 1.581.58.

x= 8.848/1.58

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Find the value of the variable. If the answer is not a whole number, round to the nearest tenth.
r-ruslan [8.4K]

Answer:

C

Step-by-step explanation:

Two secants drawn to a circle from a common external point, then

The product of the external part and the entire part of one secant is equal to the product of the external part and the entire part of the other secant, that is

5(5 + x) = 4(4 + 10) = 4 × 14 = 56

25 + 5x = 56 ( subtract 25 from both sides )

5x = 31 ( divide both sides by 5 )

x = 6.2 → C

5 0
2 years ago
2) The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen
algol [13]

The mean of the discrete probability distribution is of 1.28.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Then, considering the given distribution, the mean is given by:

E(X) = 0(0.13) + 1(0.61) + 2(0.15) + 3(0.07) + 4(0.04) = 1.28.

More can be learned about the mean of a discrete probability distribution at brainly.com/question/24855677

3 0
2 years ago
3x+4y+z=-2<br> 2y+3z=-8<br> z=-3
masya89 [10]

Answer:

z=-3 so 2y+3(-3)=-8, 2y-9=-8, add 9 to both sides 2y=1 divide both sides by 2, y=1/2, so 3x+4(1/2)+-3=-2, 3x+2-3=-2, 3x-1=-2, add 1 to both sides, 3x=-1, divide both sides by 3, x=-1/3

3 0
2 years ago
Read 2 more answers
Please help image attached
oksano4ka [1.4K]

Answer:

hope it helps mark as brainliest

7 0
2 years ago
The sum of the two angles of a triangle is 80 degree and their difference is 20 degree. find all the angles of the triangle.
Norma-Jean [14]

Sum of 2 angles = 80°

Difference = 20°

If we take away 20° from the sum, both angles are equal

⇒80 - 20 = 60°


Divide by 2 to find the smaller angle:

60 ÷ 2 = 30


Add 20° to find the bigger angle:

20 + 30 = 50°


<u>One of the angle is 30° and the other angle is 50°</u>


Given that the sum of the two angles is 80°

⇒ Third angle = 180 - 80 = 100°


Answer: The 3 angles are 30° , 50° and 100°

3 0
3 years ago
Read 2 more answers
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