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Sloan [31]
2 years ago
6

Which of the following values will result in f(x)=10? F(x)=1/2x+8

Mathematics
1 answer:
QveST [7]2 years ago
5 0
The answer is D because when you put the missing value which is x you replace it to 10 and then you solve it I hope this helps
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Twice a number is equal to 35 more than seven times the number. Find the number
amm1812

number - n

Twice a number - 2n

Seven times the number - 7n


2n = 7n +35

7n-2n = -35

5n = -35

n = - 7


Check:

2(-7) = 7(-7) +35

-14 = -49 + 35

-14 = -14 True


The number is (- 7).

8 0
3 years ago
Please help. Its the first question i need help with!!!!
Veronika [31]

Answer: The anwers will be 2 and 3

Step-by-step explanation:

√

2√237

4 0
3 years ago
Read 2 more answers
The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 mi
lara [203]

Answer:

a) 33.33%)

b) 135 minutes

c) 8.66 min

d) 50%

Step-by-step explanation:

a) the probability for a uniform distribution is

P(b<X<a) = (a-b)/(c-d) , where c and d are the maximum and minimum values

therefore the probability that the flight is more than 140 minutes ( and less than 150 since it is the maximum value)

P(140<X<150) = (a-b)/(c-d) = (150-140)/(150-120) = 10/30 = 1/3 (33.33%)

b) the mean (expected value) for a uniform probability distribution is

E(X) = (c+d)/2 = (120+150)/2 = 135 minutes

c)  the standard deviation for a uniform probability distribution is

σ²(X)= (c-d)²/12 = (150-120)²/12 = 75 min²

σ = √75 min² = 8.66 min

b) following the same procedure as in a)

P(120<X<135) = (a-b)/(c-d) = (135-120)/(150-120) = 15/30 = 1/2 (50%)

4 0
3 years ago
Find the equation of the line thatcpasses through (3, 1) and is parallel to y=1-2x.​
Anna11 [10]
Slope of y=1-2x is -2
Using point intercept form:
y-1=-2(x-3)
y-1=-2x+6
y=-2x+7
5 0
2 years ago
Select whether each equation has no solution, one solution, or infinitely many solutions.
xxTIMURxx [149]

Answer:

Step-by-step explanation:

A)  5x - 7 = 5x becomes -7 = 0 if 5x is subtracted from both sides.  This result is never true, so NO SOLUTION

B)3x−9=3(x−3)   Performing the indicated multiplication, we get

3x - 9 = 3x - 9.  This is always true, so there are INFINITELY MANY SOLUTIONS

C)2x−6=−2(x−3)   Performing the indicated multiplication, we get

2x - 6 = -2x + 6.  Adding 2x - 6 to both sides results in

4x - 12 = 0, or 4x = 12.  Thus, the solution is x = 3.  ONE SOLUTION

D)2x+6−5x=−3(x             This equation is incomplete

3 0
2 years ago
Read 2 more answers
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