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faust18 [17]
3 years ago
8

Supplement of angle z. z=42.1°​

Mathematics
1 answer:
skad [1K]3 years ago
8 0

Answer:

<h2>137.9°</h2>

Step-by-step explanation:

Supplementary angles add up to 180 °.

x + z = 180° → x = 180° - z

180° - 42.1° = 137.9°

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A television with a 6:4 screen shows an image with a ratio of 6:5 which creates a letter boxed image. What percent of the screen
morpeh [17]

Answer:

i hope this is the right answer 1.25%

Step-by-step explanation:

6:4 and 6:5 is one away from each other so it must me 1.25%

8 0
3 years ago
The Better Nutter Butter Co packed 400 lb. of peanut butter into jars holding 2.5 lbs. each. How many jars were used?
Rus_ich [418]

Answer:

160 jars

Step-by-step explanation:

To find how many jars were used, we just need to divide the amount of stuff by the amount of stuff a jar can hold.

400 (the amount of peanut number in pounds) / 2.5 (the amount of peanut butter each jar can hold) = 160.

So, 160 jars were used to package the 400 pounds of peanut butter.

8 0
3 years ago
The length of a rectangle is 40 cm longer than it’s width. The perimeter of its rectangle is 120 cm. Find it’s width and length
kramer

Answer: to be honest im kinda confused also.


Step-by-step explanation:


8 0
4 years ago
As part of a quality-control study aimed at improving a production line, the weights (in ounces) of 50 bars of soaps are measure
grin007 [14]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is the weight in ounces of a soap bar.

Attached is a QQplot diagram.

A Q-Q plot is a diagram that compares two probability distributions, in this case, the probability distribution of the data set against the theoretical normal distribution. If the observed data matches the theoretical sets, you can say that that population follows said distribution.

As you can see in the graphic the observed values (blue dots) fit the normal theoretical quantiles, so we can say that the data appear to come from a normal distribution.

I hope it helps.

4 0
3 years ago
Find the product of the given complex number and its conjugate.<br> 1/5+4i
nasty-shy [4]

Answer:

-15.96

Step-by-step explanation:

A conjugate is a binomial with the sign inside changed. So the conjugate of (1/5 + 4i) is (1/5 - 4i)

Set the original and the conjugate next to each other and F.O.I.L. Multiply the first numbers of each binomial, the 1/5 and the 1/5 to get 1/25. This is the "F."

Multiply the outer members, the 1/5 and the 4i to get - 60i. This is the "O."

Multiply the inner  numbers  ( the + 4i and the 1/5) to get + 60i. This is the "I."

Multiply the positive 4i and the negative 4i to get 16i squared

The positive 60i and the negative 60i cancel each other out.

The i squared changes into - 1. This makes the 16 negative.

Add 1/25 to - 16 to get - 15.96

4 0
3 years ago
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