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3 years ago

12

Of the 50 U.S. states, 4 have names that start with the letter W What percentage of U.S. states have names that start with the l

etter W?

1 answer:

san4es73 [151]3 years ago

5 0

8 percent. Divide 4 by 50, which gives you 0.08. Move it to the right 2 ties, and you get 8%

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Quadratic equation

Murrr4er [49]

Answer:

<h2> 46</h2>

Step-by-step explanation:

x - age of a son three years ago

3x - age of a father three years ago

x + 3 - age of the son now

3x + 3 - age of the father now

x + 3 + 5 - age of the son in five years time

3x + 3 + 5 - age of the father in five years time

in five years time, the father will be twice as old as his son, so:

3x + 3 + 5 = 2(x + 3 + 5)

3x + 8 = 2x + 16

3x - 2x = 16 - 8

x = 8

x + 3 + 4 - age of the son in four years time

8 + 3 + 4 = 15

3x + 3 + 4 - age of the father in four years time

3×8 + 3 + 4 = 31

the sum of their ages in four years time:

15 + 31 = 46

8 0

3 years ago

Evaluate the expression and enter your answer 9+|9+2|

Jet001 [13]

9+|9+2|

Add 9 and 2

9+11

Add 9 and 11

20

3 0

3 years ago

Need help on all plz

olga55 [171]

3.
a. 380 ÷ 38 = 10
b. 190 ÷ 38 = 5
c. 570 ÷ 38 = 15
d. use 10 times 38 = 380, 190 is half of 380 so half of 10 is 5, 570 is 380 + 190 so 10 + 5

4.
a. 670 ÷ 67 = 10
b. 603 ÷ 67 = 9
c. 737 ÷ 67 = 11
d. use 10 times 67 = 670, 603 is 670 - 67 so 10 - 1 = 9, 737 is 670 + 67 so 10 + 1 = 11

Challenge:
1062 - 279 = 783
$\frac{1}{3} (783)=261$
783 - 261 = 522
522 ÷ 15 = 34 remainder 12
So she put 34 books in each box

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2 years ago

Urgent help needed w/ right triangle trig

shusha [124]

Since this is a right triangle, you can use the main trig functions sin, cos, and tan. We must use sin for this problem because sin= opp/hyp. Plug in the numbers to this function. Sin (53) = a/25. Thus when you cross multiply, you get a= sin (53) x 25. When you plug it into a calculator the answer should come out to 19.97

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2 years ago

The polynomial x^3+ px^2-x-2 has x-1 as a factor. what is the value of p?

Archy [21]

Comparing x-1 with x-a then x=1
1^3+p*1^2-1-2=0
1+2p-3=0
2p=3-1
P=2/2
P=1
:.p=1

5 0

2 years ago