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cricket20 [7]
3 years ago
9

Whats this one? plsssssssss

Mathematics
1 answer:
iren2701 [21]3 years ago
4 0

Answer:

-4.9x^2 + 25x + 1.6 = 0

Step-by-step explanation:

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Half of a number is three times the sum of a number ad five.
krek1111 [17]

10

If you treat the number as x, then \frac{1}{2}x=x+5\to-5=\frac{1}{2}x\to-10=x.

7 0
3 years ago
350 items have donated to the community food pantry and 35 of the items are jars of peanut butter. What percent of the donated i
pentagon [3]

Answer:

The answer is 25% donated peanut butter

Step-by-step explanation: Easy

8 0
3 years ago
. How do these two processes, finding the expected value of a discrete random variable and finding the dot product
kozerog [31]

Answer:

We can conclude that on this case we have identical processes but excersise 17 use another way to present the probability distribution and as we can see the expected value can be viewed as a dot product of two vectors with one vector containing the outcomes and the other the probabilities for each possible outcome.

Step-by-step explanation:

Assuming this previous info:

Exercise 17. Suppose that we convert the table on the previous page displaying the discrete distribution for the number of heads  occurring when two coins are flipped to two vectors.

Let vector

6 0
3 years ago
7.
SSSSS [86.1K]

7. y = 1, AB = 1, BD = 10 and AD = 11

8. x = 5, AB = 20 and BC = 20

9. x= 5 and AB = 33

10. No, because AC = 12.5 while AB + BC = 20 (they should equal the same and they don't.)

7 0
3 years ago
A 24 ft ladder is positioned next to a house for window cleaning. The manufacturer recommends the ladder rest at an angle of 76°
Butoxors [25]

Answer:

6 feet

Step-by-step explanation:

cos = adj/hyp

cos76 = adj/24

multiply both sides by 24

24 * cos76 = adj

5.806125494392025 = adj

Rounded

6 feet

8 0
3 years ago
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