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aleksley [76]
3 years ago
5

(-18) divided by 3 + (5)(-2)

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0
Your answer will come out to -3
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Is v = 10 a solution to the inequality
Arte-miy333 [17]

Answer:

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3 years ago
Among two supplementary angles the measure of the larger angle is 400 more than the
pogonyaev

9514 1404 393

Answer:

  70° and 110°

Step-by-step explanation:

The sum of angles is 180°; their difference is 40°. So, the larger is ...

  (180° +40°)/2 = 110°

The smaller is 180° -110° = 70°

The two angles are 70° and 110°.

_____

Above, we have "cut to the chase." If you let the larger be 'a' and 's' and 'd' represent the sum and difference, you have ...

  a + (a-d) = s . . . . the sum of the larger and smaller angles

  2a = s+d . . . . . .  add d

  a = (s+d)/2 . . . . the relation we used.

4 0
3 years ago
If a person bikes 2.4 miles in 10 MINUTES, how far can he bike in 2<br> HOURS?
Assoli18 [71]

Answer:

here's the answer

2.4×10×12=288Miles

8 0
3 years ago
The scale of a map is 1/8 = 10 miles. If 2 cities are 3 inches apart on the map, how many mikes are they from each other? A.) 24
MakcuM [25]

Answer:

D.)  240 miles.

Step-by-step explanation:

By proportion the distance between the 2 cities

= (3 / 1/8) * 10

= 3*8*10

= 240 miles.

6 0
3 years ago
Items produced by a manufacturing process are supposed to weigh 90 grams. The manufacturing procon
Annette [7]

Using the normal distribution, it is found that 0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

  • The mean is of 90 grams, hence \mu = 90.
  • The standard deviation is of 1 gram, hence \sigma = 1.

We want to find the probability of an item <u>differing more than 3 grams from the mean</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{3}{1}

Z = 3

The probability is P(|Z| > 3), which is 2 multiplied by the p-value of Z = -3.

  • Looking at the z-table, Z = -3 has a p-value of 0.0013.

2 x 0.0013 = 0.0026

0.0026 x 100% = 0.26%

0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

For more on the normal distribution, you can check brainly.com/question/24663213

4 0
3 years ago
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