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likoan [24]
3 years ago
10

I need help what is 7- 5 6/7?

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

1/7 I don't know if this is subtract or not but I subtracted

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A study records the lengths of pregnancy (in days) of 500 women. The data is normally distributed with a mean of 266 days and a
VashaNatasha [74]

Answer:

<em>371 women had their pregnancy between 250 days and 282 days in length.</em>

di po ako sure sa answer ko, but it is based on what I remembered.

Step-by-step explanation:

z=<u>532-266</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u>1</u><u>6</u><u> </u><u> </u>

√500

= 371.74 or 371

4 0
2 years ago
QF Q8.) Solve the triangle.
Anuta_ua [19.1K]
A triangle solver tells you
  C = 85°
  b ≈ 8.4
  c ≈ 10.4

From the sum of angles of a triangle, 
  C = 180° -42° -53° = 85°

From the law of sines
  b = sin(53°)/sin(42°)*7 ≈ 8.355
  c = sin(85°)/sin(42°)*7 ≈ 10.422
  

5 0
3 years ago
Read 2 more answers
an art dealer makes a 17.5% commission on every painting sold. If a painting sold for $1500, what was the commission
Aleksandr [31]
A percentage is a number out of 100.  So, 17.5% is really 17.5/100, or 0.175.

To find 17.5% of 1500, you multiply 1500 by 0.175

1500 x 0.175 = 262.5.

The commission is $262.50.
4 0
3 years ago
2 For each figure, are 21 and 22 adjacent angles or vertical angles? Explain.<br> b.<br> a.<br> 2
kupik [55]

Answer:

a is vertical and b is adjacent angles

3 0
3 years ago
What is the unit rate of 1.49 for 10
kap26 [50]

If you mean it costs $1.49 to buy 10 items, then the unit rate is $0.15 or 15 cents

This is because you divide 1.49 over 10 like so: 1.49/10 = 0.149, then round this to the nearest penny to get 0.15

0.15 dollars = 15 cents

so basically whatever this item is, it costs 15 cents per item

7 0
3 years ago
Read 2 more answers
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