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3 years ago

Can someone please help me ASAP

Mathematics

1 answer:

Vaselesa [24]3 years ago

6 0

Answer:

Step-by-step explanation:

Hope this helps!

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Determine whether (a) x = -1 or (b) x = 2 is a solution to this equation X-8=-9

andrew11 [14]

Answer: (a) x = -1

Step-by-step explanation:

Given

x - 8 = - 9

Add 8 on both sides to isolate x

x - 8 + 8 = - 9 + 8

$\boxed{x=-1}$

Hope this helps!! :)

Please let me know if you have any questions

8 0

3 years ago

What is the range of this relation? (5,-11) (5,13) (-7,8)

Ganezh [65]

Answer:

{-11,8,13}

Step-by-step explanation:

The domain is the input values (or x)

The range is the output values (or y)

The range is (-11,8,13)

6 0

4 years ago

Find the equation of the line passing through the points (6,3) and (-4,3) Y=

Molodets [167]

${ \qquad\qquad\huge\underline{{\sf Answer}}}$

Equation of line passing through given points :

Let's proceed with two point form ~

$\qquad \sf \dashrightarrow \: y - y1 = \cfrac{y2 - y1}{x2 - x1} (x - x1)$

Assume :

$\qquad \sf \dashrightarrow \: y - 3= \cfrac{3 - 3}{ - 4 - 6} (x - 6)$

$\qquad \sf \dashrightarrow \: y - 3= \cfrac{0}{ - 10} (x - 6)$

$\qquad \sf \dashrightarrow \: y - 3 = 0$

$\qquad \sf \dashrightarrow \: y = 3$

So, the equation of required line is : y = 3 ~

5 0

1 year ago

There are 2 Senators from each of 50 states. We wish to make a 3-Senator committee in which no two members are from the same sta

Morgarella [4.7K]

Answer:

a) rCn = 1176

b) 2352

Step-by-step explanation:

a)Each committee should be formed with 3 members ( no two members could be of the same state) then

Let´s fix a senator for any of the 50 states so in the new condition we need to combined 49 senators in groups of 2 then

rCn = n! / (n - r )! *r!

rCn = 49!/ (49 - 2)!*2!

rCn = 49*48*47! / 47!*2!

rCn = 49*48 /2

rCn = 1176

So we can choose in 1176 different ways a senator for a given state

b) To answer this question we have to note, that, 1176 is the number of ways a committee can be formed with senators of different sate (taking just one senator for state ) if we have 2 senators we need to multiply that figure by 2.

1176*2 = 2352

6 0

3 years ago

Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 2 more than 5 times the number o

ch4aika [34]

Mark and Don have 18 and 92 marbles respectively.

<h3>What is the solution of the equation?</h3>

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved.

Let the number of marbles Mark has be x.

According to the question,

Don has (5x+2) marbles.

Total number of marbles=110

Thus, the required equation is:

x+5x+2=110

6x=108

x=108/6

x=18

Mark has 18 marbles.

Don has (5*18+2)=92 marbles.

Learn more about equation here:

brainly.com/question/2972832

#SPJ4

4 0

2 years ago