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Katarina [22]
3 years ago
7

Find the sum. 46+(−3)

Mathematics
2 answers:
lord [1]3 years ago
4 0

Answer:

43

Step-by-step explanation:

galina1969 [7]3 years ago
3 0

Answer:

46+ (-3)

46-3

46-3= 43

Step-by-step explanation:

Adding a negative is basically just subtraction. I hope this helps.

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What is the value of x?<br> Please show the steps
nordsb [41]
Let D be the endpoint of the angle bisector opposite A on lying on side BC. The angle bisector theorem states that the ratio of BD to CD is equal to the ratio of AB to AC. In this case, you have

\dfrac{2x-1}{3x}=\dfrac9{15}

(This is the same equation that you have, it's just rearranged.)

Multiply both sides by 3x and 15.

15\times3x\times\dfrac{2x-1}{3x}=15\times3x\times\dfrac9{15}
15(2x-1)=3x\times9

Now you can solve for x.

30x-15=27x
3x=15
x=5
6 0
3 years ago
Virgil has one sixth of a birthday cake left over he wants to share the leftover cake with 3 friends what fraction of the origin
marta [7]
1/10 hope it helps you out
8 0
3 years ago
Delta Airlines quotes a flight time of 2 hours, 5 minutes for its flights from Cincinnati toTampa. Suppose we believe that actua
siniylev [52]

Answer:

a) The graph of the probability density function for flight time is shown below.

b) 1/2

c) 0

d) 130 minutes

Step-by-step explanation:

Let's deal with the flight times in minutes instead of hours, and let T be the random variable that represents the flight time. T is uniformly distributed between 120 minutes and 140 minutes. The probability density function for T is given by

f(t)=\frac{1}{140-120}=\frac{1}{20} for t in [120, 140]

a) The graph of the probability density function for flight time is shown below.

Delta Airlines quotes a flight time of 125 minutes for its flights from Cincinnati to Tampa.

b) The probability that the flight will be no more than 5 minutes late is given by

P(T \leq 125 + 5) = P(T \leq 130) = \int\limits_{120}^{130}\frac{1}{20}dt = \frac{1}{20}(130-120)= \frac{1}{20}(10) = \frac{1}{2}  

c) The probability that the flight will be more than 10 minutes late is given by

P(T \geq 125 + 10) = P(T \geq 135) = 0 because the probability density function is zero for t outside of [120, 140]

d) The expected flight time is given by E(T) = \frac{120+140}{2} = \frac{260}{2} = 130 minutes

8 0
3 years ago
The weight of water is 62 and one half lb per cubic foot. What is the weight of 18 and one fourth cubic feet of? water? How much
Alla [95]

Answer:

Water - 62.5 pounds per cubic foot

18.25 cubic feet would weigh 18.25 * 62.5 =

1,140.625 pounds.


Step-by-step explanation:


4 0
3 years ago
Which expression is the simplest form -(4x+y)+2(x-3y)
Verdich [7]

Answer:

- 2x - 7y

Step-by-step explanation:

Given

- (4x + y) + 2(x - 3y)

Distribute both parenthesis, noting that the first is distributed by - 1

= - 4x - y + 2x - 6y ← collect like terms

= (- 4x + 2x) + (- y - 6y )

= - 2x + (- 7y) = - 2x - 7y

3 0
3 years ago
Read 2 more answers
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