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2 years ago

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The price of a sweater is $5 less than twice the price of a shirt. if four sweaters and three shirts cost $200, find the price o

f each shirt and sweater

1 answer:

Mandarinka [93]2 years ago

8 0

Sw+5=2sh
<span>4sw+3sh=200 </span>
<span>4(2sh-5)+3sh=200

</span><span>$20, $35 The shirts are $20 and the sweaters are $35<span /></span>

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Doss [256]

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7 0

2 years ago

Read 2 more answers

Suppose you have the following information. 12% of all drivers do not have a valid driver’s license, 6% of all drivers have no i

lubasha [3.4K]

Answer:

e) 0.14

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a driver does not have a valid driver's license.

B is the probability that a driver does not have insurance.

We have that:

$A = a + (A \cap B)$

In which a is the probability that a driver does not have a valid driver's license but has insurance and $A \cap B$ is the probability that a driver does not have any of these things.

By the same logic, we have that:

$B = b + (A \cap B)$

We start finding these values from the intersection.

4% have neither

This means that $(A \cap B) = 0.04$

6% of all drivers have no insurance

This means that $B = 0.06$ . So

$B = b + (A \cap B)$

$0.06 = b + 0.04$

$b = 0.02$

12% of all drivers do not have a valid driver’s license

This means that $A = 0.12$

So

$A = a + (A \cap B)$

$0.12 = a + 0.04$

$a = 0.08$

The probability that a randomly selected driver either fails to have a valid license or fails to have insurance is about

$P = a + b + (A \cap B) = 0.08 + 0.02 + 0.04 = 0.14$

So the correct answer is:

e) 0.14

8 0

2 years ago

- x is at least - 4 but no more than 3.

anyanavicka [17]

Answer:

$- 4 \leqslant - x \leqslant 3 \\ 4 \geqslant x \geqslant - 3$

4 0

2 years ago

Sharing 10 in the ratio 1:4

Ratling [72]

2:8
Lol do u really need others to answer this

8 0

2 years ago

2 + 1.25f = 10 - 2.75f

Marysya12 [62]

Answer:

F=2

Step-by-step explanation:

1.25f+2.75f=10-2

calculate like terms

4f=8

divide

F=2

7 0

2 years ago