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4 years ago

I need help on this question

Mathematics

1 answer:

schepotkina [342]4 years ago

6 0

Answer:

0 4 9 1

_____________

1 9 9 3 2 9

− 0

9 3

− 7 6

1 7 2

− 1 7 1

1 9

− 1 9

Step-by-step explanation:

Sorry of this isn't clear

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What is the price if it’s 20% off $30

Xelga [282]

Answer: $24

Step-by-step explanation:

5 0

3 years ago

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Suppose that in a certain county 37% of voters are registered as Democrats, 29% as Republicans, 7% as Green party, and the rest

Fantom [35]

Answer:

$0.66$

Step-by-step explanation:

GIVEN: Suppose that in a certain county $37\%$ of voters are registered as Democrats, $29\%$ as Republicans, $7\%$ as Green party, and the rest are considered Independents. You conduct a poll by calling registered voters in the county at random.

TO FIND: Probability that the first call will be to either a Democrat or a Republican.

SOLUTION:

Lets total population of county be $100x$ .

voters registered as Democrats $=37\%=\frac{37}{100}\times100x$

$=37x$

voters registered as Republicans $=29\%=\frac{29}{100}\times100x$

$=29x$

voters registered as Green party $=7\%=\frac{7}{100}\times100x$

$=7x$

Probability that first call will be to Democrats $P(A)=\frac{\text{total democrats}}{\text{total voters}}$

$=\frac{37x}{100x}=0.37$

Probability that first call will be to Republican $P(B)=\frac{\text{total republicans}}{\text{total voters}}$

$=\frac{29x}{100x}=0.29$

probability that the first call will be to either a Democrat or a Republican

$=P(A)+P(B)$

$=0.37+0.29$

$=0.66$

Hence the probability that the first call will be to either a Democrat or a Republican is $0.66$

6 0

4 years ago

The amount $1.26 is 6% of what price?

swat32

.06x=1.26
x=1.26/.06
x=21

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3 years ago

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3. Bobbi bought 4 rolls of

sveta [45]

Answer:

400 x however long those ribbons are

Step-by-step explanation:

1 meter is 100 centimeters, and there are four rolls. so 4x100 equals 400, and you multiply that by the length that you didn't provide.

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2 years ago

14(a + 2) = 168 find a

valkas [14]

$\bold\red{Answer:}$

14a+28=168

14a=140

a=10

hope it helps

8 0

3 years ago