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rjkz [21]
2 years ago
7

Keep change flip10×4 1/4​

Mathematics
1 answer:
Art [367]2 years ago
8 0
I not sure but I think it’s will be 10
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A test to detect an infection gives a positive result 98% of the time if a person is infected. It is 97% accurate for people who
sergeinik [125]
Consider this:

If a test gives a positive result for an infected person 98% of the time, that means that 2% of the time, it gives a negative result for an infected person, which would be a false negative.

Then,

if the test is 97& accurate (not precise) for non-infected people, that means that it gives a negative result 97& of the time. So a positive result will be given 3% of the time for non-infected people, which is considered a false positive.
5 0
3 years ago
Read 2 more answers
Find the value of x in the triangle shown below.<br> =<br> २०<br> 14<br> 14<br> 50°<br> 18
Alexandra [31]

Answer:

x = 87

Step-by-step explanation:

37 + 56 = 93

triangles always equal to 180

180 - 93 = 87

5 0
2 years ago
In the given figure, if y = 30, find (i) x (ii) z and (iii) u​
pogonyaev

Answer:

u=30

x=150

z=150

y=30

Step-by-step explanation:

u=y [ being vertically opposite angle]

x+u=180[ being linear pair]

x+30=180

x=180-30

x=150

z=x[being vertically opposite angle]

z=150

y=u[ being voa]

8 0
2 years ago
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Kasey and her sister both sold cookie dough. Her sister sold three times as many tubs of cookie dough. If they sold a total of 8
Rufina [12.5K]
X= number of tubs Kasey sold
3x= number tubs sister sold

Add the number sold by Kasey and her sister to equal the total sold (88).

x + 3x= 88
combine like terms

4x= 88
divide both sides by 4

x= 22 number tubs Kasey sold


Number Sold by Sister
3x= 3(22)= 66


CHECK:
x + 3x= 88
22 + 3(22)= 88
22 + 66= 88
88= 88


ANSWER: Kasey sold 22 tubs and her sister sold 66 tubs.

Hope this helps! :)
7 0
3 years ago
What is the final amount if 558 is decreased by 3% followed by a further 6% increase?
Leno4ka [110]

Answer:

604.58

Step-by-step explanation:

hegarty says its 604.58

3 0
2 years ago
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