4 years ago

Question down below

Mathematics

1 answer:

Nitella [24]4 years ago

8 0

Answer:

angle s is 22 degrees

Step-by-step explanation:

hope this helped

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Louise bought 1 1/4 pounds of roast beef at $2.00 per pound and 2 1/2 pounds of turkey at $1.50 per pound. What was her total

Murrr4er [49]

11/4 pounds = 2,75 pounds = 2,75 pounds x 2$ + 2,5 pounds x 1,50$ = 5,50$ + 3,75$ = 9,25 $

Total Cost: 9,25$

6 0

4 years ago

1. white socks to brown socks

Semenov [28]

8 White
6 Black
4 Blue
5 Brown
Total=8+6+4+5=23

1. White to brown = 8:5
2. Blue to non-blue =4:(23-4) = 4:19
3. Black to all = 6 : 23
4. Ratios equivalent to Q1, 8:5
Multiply ratio by integer factors:
2(8:5)=16:10
3(8:5)=24:15
4(8:5)=32:20
etc.

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4 years ago

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Choose the expression that completes the equation. 33 ÷ 3 + 10 =______

otez555 [7]

33 divided by 3 is 11 plus 10 is 21 so your answer is 21:)

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3 years ago

Help please uh yes please

Ivan

Answer:

Step-by-step explanation:

4 1/2, square root of 24, 5, 5.1

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3 years ago

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A certain drug treatment cures 90% of cases of hookworm in children.18 Suppose that 20 children suffer- ing from hookworm are to

Anni [7]

Answer:

Step-by-step explanation:

Here X the no of children suffering from hookworm treated and recovered is binomial because

a) Each child is independent of the other

b) There are only two outcomes

c) The probability for any child to recover is constant as 90% = 0.9

X is Bin (20,0.9)

a) Prob that all 20 will be cured

=P(X=20)= $0.9^{20} \\=0.1216$

b) Prob all but 1 will be cured= $P(x=1) = 20C1 (0.9) (.1)^{19} \\=1.8(10^8)$

c) Prob exactly 18 will be cured

$=P(X=18)\\=20C18 (0.9)^{18} (0.1)^2\\= 0.2852$

d) Prob exactly 90% will be cured.

= $P(X=18)\\=20C18 (0.9)^{18} (0.1)^2\\= 0.2852$

7 0

4 years ago