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tangare [24]
3 years ago
12

Separate 60 into two parts so that 3 times the smaller added to 6 more than 6 times the smaller = 60.

Mathematics
1 answer:
Nikolay [14]3 years ago
8 0
I believe your answer is 6x10
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Solve the system algebraically. y = 3 -1/2 x 3x + 4y = 1 What is the value of x?
4vir4ik [10]

Answer: x=-11

Step-by-step explanation:

You can use the Method of substitution.

Substitute the equation y=3-\frac{1}{2}x into the equation 3x + 4y = 1 and then you must solve for the variable x:

3x + 4y = 1\\\\3x + 4(3-\frac{1}{2}x) = 1\\

Apply Distributive property:

3x + 12-\frac{4}{2}x = 1\\3x+12-2x=1

Subtract 12 from both sides of the equation and then add the like terms. Then you get:

3x+12-2x-12=1-12\\3x-2x=-11\\x=-11

8 0
3 years ago
In each turn of a game you toss two coins. if 2 heads come up, you win 2 points and if 1 head comes up you win 1 point. if no he
Blizzard [7]

The expected value of the number of points for each turn is 0.25

<h3>What is expected value?</h3>

Expected value describes the long term average level of a random variable based on its probabilty distribution.

Now, Probability that 2 heads come up is

P(2 is H) = 1/4

Probability that 1 heads come up is

P(1 is H) = 2/4

⇒P(1 is H) = 1/2

Probability that no head will come up

P(no H's) = 1/4

Hence, the expected value for winning of 2points, 1point and  lose of3 points is given as-

Expected value = 2 * P(2 is H) + 1 * P(1 is H)  - 3 * P(no H's)

⇒Expected value = 2 * 1/4 + 1 * 1/2 - 3 * 1/4

= 0.5 + 0.5 - 0.75

⇒Expected value = 0.25

More about Expected value :

brainly.com/question/22715250

#SPJ1

3 0
1 year ago
Urgent please help, will give brainliest
dem82 [27]

in right angle traingle two angle are equal

so.x=y

in triangle

x+y+90=180(sum of interior angle of triangle)

2x=180-90

x=90/3=45°

7 0
3 years ago
Sonya wrote the equation y=0.1x+5 to find the total cost of her phone bill,y, based on the numbers of texts she sends per month,
FinnZ [79.3K]

Answer:

(0, 5)

Step-by-step explanation:

You get y-intercept when x=0

<u>For the given equation y-intercept is:</u>

  • y(0) = 0.1*0 + 5 = 5

As a point on the graph it is: (0, 5)

Here y-intercept may represent flat rate of monthly fee.

7 0
3 years ago
Nancy randomly scattered one handful of seeds in her garden. The garden is circular and has a radius of 5 feet. Somewhere in the
Nitella [24]
We know that
the garden is circular--------------> r=5 ft
Area1=pi*r²=pi*5²=78.50 ft²

 path 2 feet by 2 feet square (good soil for the seeds)<span>
Area2=2*2=4 ft</span>²

<span>the probability that a seed will land in the 2 feet by 2 feet square=Area2/Area1
P=4/78.5=0.051 (5.1%)

the answer is 0.051 (5.1%)</span>
4 0
4 years ago
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