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2 years ago

Solve each system using substitutions Y+4=x -2+ Y=8

2 answers:

8 0

Stephs right but for you don't have to ask anymore questions just download the app called Photomath and it'll tell you how to solve it and give you answers to any math problem there is.

klemol [59]2 years ago

3 0

-2 + Y = 8
Y = 10
Plug in Y to the first equation, 10 + 4 = X
X = 14

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Just need some help with this question.

n200080 [17]

The rate of each train of the northbound train traveled 10 miles per hour faster than the southbound train 26 miles per hour.

<h3>what is speed?</h3>

Speed is the time rate at which an object is moving along a path

Let the speed of southbound train is x miles/hour

so, northbound train has speed of x+10 miles/hour.

then, Speed of both train = Total distance/ total time

(x+10+x)=210/5

2x+10= 210/5

2x+10= 42

2x= 32

x= 16 miles per hour (southbound train)

northbound train: 16+10=26 miles per hour

Learn more about this concept here:

brainly.com/question/15544987

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3 0

2 years ago

This is all it gave me 6 C 2 = a0

frozen [14]

Answer:

$\binom{6}{2} = a_{0}=15$

Step-by-step explanation:

$\binom{6}{2} = a_{0}$

$\binom{n}{r} =\frac{n!}{r!\times(n-r)!}$

It is representing a combination form where, n is number of items we have and r is the number of items we choose from n

Here, n = 6 , r = 2

$\binom{6}{2} =\frac{6!}{2!\times(6-2)!}$

= $=\frac{6!}{2!\times(4)!}$

$n!=n\times(n-1)\times(n-2)\times(n-3).....\times3\times2\times1$

$=\frac{6\times5\times4!}{2\times(4)!}$

$=\frac{6\times5}{2}$

$={3\times5}$

$={15}=a_0$

Thus, $\binom{6}{2} = a_{0}=15$

8 0

3 years ago

The coordinates of the origin are ___.

nirvana33 [79]

The horizontal axis in the coordinate<span> plane is called the x-axis. The vertical axis is called the y-axis. The point at which the two axes intersect is called the </span>origin<span>.</span>

5 0

3 years ago

Question 4 of 5<br> What is 39,040,000 expressed in scientific notation?

Delvig [45]

Answer:

3.904 x 10^7

Step-by-step explanation:

7 0

2 years ago

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What does a and p = djdhdhdhhdjdhdjfjfhoo

Tcecarenko [31]