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netineya [11]
3 years ago
12

Help with Math!! z - 5 ------ = -1 7 z = ?

Mathematics
1 answer:
strojnjashka [21]3 years ago
7 0
Z = -2.

I need more characters to submit
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Find the value of x in the triangle shown ?
ASHA 777 [7]

Answer:

D. 9

Step-by-step explanation:

We know that cos theta = adjacent / hypotenuse

                        cos 60 = x /18

 Multiply each side by 18

                        18 cos 60 = x/18 * 18

                          18 cos 60 =x

                         9 =x

7 0
3 years ago
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ANSWER THIS QUESTION ASAP
Taya2010 [7]

-  \frac{4}{25}
8 0
3 years ago
A local deli sells 4-inch sub sandwiches for $2.95. It has decided to sell a “family sub” that is 50 inches long. How much shoul
lilavasa [31]
You take 50/4 which equals 12.5

so now you say “well one sub is 2.95”
take that and multiply it by 12

12 x 2.95 = 35.4

then you take 2.95 and divide it by 2 that is 1.48

so now you take 35.4 + 1.48

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5 0
2 years ago
A researcher is interested in the lengths of Salvelinus fontinalis (brook trout), which are known to be approximately Normally d
kompoz [17]

Answer:

c. 0.1151

Step-by-step explanation:

d) the probability that, on average, fish are larger than 86 centimeters in length.The area under part of a normal probability curve is  directly proportional to probability and the value is calculated as

z = (x₁−x) /σ

where z = propability of normal curve

x₁ = variate mean = 86cm

x = mean of 80cm

σ = standard deviation = 5cm

applying the formula,

z= (86-80)/5

z = 6/5 =1.2

Using a table of partial areas beneath the standardized normal curve (see Table of normal curve, a z-value of 1.2 corresponds to an area of 0.3849 between the mean value. but, because the standard curve has 0.5, then will minus 0.3849 from 0.5= 0.5 - 0.3849 = 0.1151

Thus the probability of a fish are larger than 86 centimeters in length is 0.1151

5 0
3 years ago
Pls help me with this i have a 0 in math
Lorico [155]

Answer:

(3−5)(+1)

Step-by-step explanation:

I hope this helps you and please mark me as brainliest

6 0
2 years ago
Read 2 more answers
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