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irinina [24]
3 years ago
11

Linear equation

Mathematics
1 answer:
Mazyrski [523]3 years ago
6 0
<h2><u>Answer:</u></h2>

Susan = x

Gina = 3x

Sum of their ages = 12

Susan's age = ?

We can see that,

2x=10x = \frac{10}{2}x= 210  x = 5x=5

Susan is <u>3</u><u> </u><u>years </u>old.

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The compound probability of two events, E and F, is ; the probability of E is and of F is . In two or more complete sentences, e
lorasvet [3.4K]

Answer:

Events E and F are not independent if the probability of event E occurring is affecting the probability of event F occurring.

Step-by-step explanation:

Two events are independent when the probability of one event occurring has no connection with that of the other event.

Example, when you toss a coin and roll a six sided die, the probability of getting a head or a tail has no connection with the probability of getting any number face.A real life example will be the probability going to the mall and owning a cat at home.These two have no influence on one another.

Mathematically independent events can be calculated as;

P(E∩F)=P(E)-P(F)

3 0
3 years ago
Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box. _(x-3)+2x=-
andreyandreev [35.5K]
<span>In order for an equation to have an infinite number of answers, the simplified equation should be x=x. In evaluating the above equation, -3 inserted in the box results in this simplified equation. The answer is therefor #1: -3</span>
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3 years ago
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Chris drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would he need to drive 418 miles?
SVEN [57.7K]
15.4 gallons...............
6 0
3 years ago
2 plus 2/5 times 23 / 4
nexus9112 [7]

Answer:

163/20 or 8.15

Step-by-step explanation:

well we are going to do PEMDAS

parentheses

exponents

multiplication/ division

addition/ subtraction

2 + 2/5 x 23/4 (i made the fractions into decimals)

2 + 6.15

163/20 or 8.15

7 0
3 years ago
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The minimum point on the graph of the equation y=f(x) is (−1,−3). What is the minimum point on the graph of the equation y=f(x−5
prohojiy [21]

Answer:

The minimum point is (4,-3)

Step-by-step explanation:

we know that

If the new equation is

y=f(x-5)

then

The Rule of the translation is

(x,y) -----> (x+5,y)

That means ----> The translation is 5 units at right

so

(−1,−3) ----> (-1+5,-3)

(−1,−3) ----> (4,-3)

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