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mixer [17]
3 years ago
14

Prove angle DBC= 45 degrees

Mathematics
1 answer:
IgorC [24]3 years ago
7 0

Answer:

90 divided by 2

Step-by-step explanation:

you're going to do 90 divided by 2 and then you get 45

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46. Machine A produces 500 springs a day. The number of defective springs produced by this machine each day is recorded for 60 d
topjm [15]

Answer:

G. 0.45

Step-by-step explanation:

To find expected value, you simply multiply the value of each outcome (the numbers in the left column) by its probability

(the numbers in the right column) and then add them all together.

0(0.7) + 1(0.2) + 2(0.05) + 3(0.05)

0 + 0.2 + 0.1 + 0.15 = 0.3 + 0.15 = 0.45

6 0
2 years ago
Evaluate the geometric series
Schach [20]

Your multiplying by -4 each time

-1x-4=4

4x-4=-16

-16x-4=64

3 0
3 years ago
Please help if you can i really need it
Mila [183]

Answer:

9

Step-by-step explanation:

60 requests are made.

Spencer gets 25% of these requests. Convert this to a decmal (divide by 100) to get 0.25. 25% of 60 is:

(0.25)(60)=15\\

So Spencer gets 15 requests. Now do the same process for Tanvi:

(0.10)(60)=6

So Tanvi gets 6 requests. To find out how many more requests Spencer gets compared to Tanvi:

15-6=9

Therefore, Spencer gets 9 more requests than Tanvi.

4 0
3 years ago
Simplify the polynomial expressions by combining like terms, and then multiply the resulting binomial expressions to find their
Lesechka [4]
For this case we have the following expression:
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 The first thing we must do is to rewrite the expression as the product of two binomials.
 To do this, we add similar terms.
 We have then:
 (6x - 9) (5x + 10)

 Then, doing distributive property we have:
 30x ^ 2 + 60x - 45x - 90

 Adding similar terms:
 30x ^ 2 + 15x - 90
 Answer:
 
The simplified expression is:
 
30x ^ 2 + 15x - 90
7 0
4 years ago
Find the equation of the linear function represented by the table below in slope- intercept form. X o 1 2 3 4 у -5 1 7 13 19​
podryga [215]

Answer:

4x+4

Step-by-step explanation:

3 0
3 years ago
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