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Levart [38]
3 years ago
6

What is 1 x 2 + 4 x 5+ 7

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0
The answer is 29... Do the multiplication first then addition.
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You start at (5, -3). you move up 8 units. where do you end?
djyliett [7]

Answer:

(5,5)

Step-by-step explanation:

You draw a graph and put an x where (5, -3) is and then from that point, you go up by 8 units

7 0
3 years ago
Given that the commuter used public transportation, find the probability that the commuter had a commute of 60 6060 or more minu
AlladinOne [14]

<u>Complete Question</u>

The two-way table below gives the thousands of commuters in Massachusetts in 2015 by transportation method and one-way length of commute.  

\left|\begin{array}{c|c|c|c|c|c|c}$Transport Mode/Minutes&$Less than 15&15-29&30-44& 45-59&$60 or more &$Total\\---&---&---&---&---&---&---\\$Private vehicle & 636&908&590&257&256&2647\\$Public Transportation&9&54&96&62&108&329 \\$Other&115&70&23&7&7&222\\---&---&---&---&---&---&---\\$Total&760&1032&709&326&371 &3198    \end{array}\right|

Answer:

\dfrac{108}{329}

Step-by-step explanation:

From the table above

Total Number of commuters who used public transportation=329

Number of commuters who spent 60 or more minutes on public transportation=108

Therefore:

Given that a commuter used public transportation,  the probability that the commuter had a commute of 60 or more minutes:

P ( 60 + minutes ∣ public transportation ) = \dfrac{108}{329}

8 0
3 years ago
What additional information is required to prove that these two triangles are
Evgesh-ka [11]

Answer:

none of the above

Step-by-step explanation:

I think you spamed the keyboard

6 0
4 years ago
•given ABCD is a kite, check every box that must be true
natali 33 [55]

Answer:

Step-by-step explanation:

A kite is a quadrilateral made up of two isosceles triangles. A kite does not have any parallel side, but has two pairs of equal adjacent sides. All four sides are not congruent, only two pairs of consecutive sides are congruent.

The vertices of a kite are right angles. The diagonals bisect each other at right angles ( that is they are perpendicular). Therefore the following are true:

1) two pairs of consecutive sides are congruent

2) The diagonals are perpendicular

3) The diagonals bisect each other.

Point A= (3,6), B = (5,0), C= (-2,-4) D = (-3,4)

AB=\sqrt{(0-6)^2+(5-3)^2}=\sqrt{40}  \\AD=\sqrt{(4-2)^2+(-3-3)^2}=\sqrt{40}\\ BC=\sqrt{(-4-0)^2+(-2-5)^2}=\sqrt{65}\\  DC=\sqrt{(4-(-4)^2)+(-3-(-2))^2}=\sqrt{65}

AB=AD, BC = BC.

This is a kite since two pairs of consecutive sides are congruent

7 0
3 years ago
A California water company has determined that the average customer billing is $1,250 per year and the amounts billed have an ex
Tcecarenko [31]

Answer:

a)

Mean \mu = \dfrac{1}{\lambda }= 1250

\lambda = \dfrac{1}{1250}

b)

P(X > 5000) = 0.0183

c)

P(X > 1250) =0.3679

Step-by-step explanation:

From the given information:

a.)

Mean \mu = \dfrac{1}{\lambda }= 1250

\lambda = \dfrac{1}{1250}

Let consider X to be a random variable that follows an exponential distribution; then:

P(X) = 1 - e^{- \lambda x}   since \lambda > 0

b.)

The required probability that a random chosen customer would spend more than $5,000 can be computed as:

P(X > 5000) = 1  - \bigg [ 1 - e ^{- \dfrac{5000}{1250}}  \bigg]

P(X > 5000) =e^  {-4

P(X > 5000) = 0.0183

c.)

P(X > 1250) = 1  - \bigg [ 1 - e ^{- \dfrac{1250}{1250}}  \bigg]

P(X > 1250) =e ^{- 1

P(X > 1250) =0.3679

7 0
3 years ago
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