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3 years ago

X/(-2)=14 how do I solve this

Mathematics

2 answers:

vampirchik [111]3 years ago

7 0

You would multiply by two on booths sides which gives you x=28

zmey [24]3 years ago

6 0

You would multiply each side by -2 so the answer is x=-28

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Calculate the axis of symmetry in the equation Y = (x+1) (x-4)

algol [13]

Answer:

Every parabola has a turning point called the axis of symmetry,so for this question you just have to find the turning points

x turning point= -b/2a,and the y turning point is gotten by replacing the value of x in the equation

y=(x+1)(x-4)

=x^2-3x-4

a is 1,b is -3 and c is -4

x= -(-3)/2(1)

=1.5

and y=x^2-3x-4

=1.5^2-3(1.5)-4

= -6.25

therefore the axis of symmetry is (1.5,-6.25)

I hope this helps

6 0

3 years ago

PLEASE HELP FOR 48 POINTS PLEASE! show/explain your answer and work

pentagon [3]

Answer:

c This is the direct variation

Step-by-step explanation:

The equation for direct variation is y= kx

Solving this for k

y/x =k

So y/x must be a constant

a. 9/3 =3

2/7 does not =3 so this is not a direct variation

b 1/2 = .5

-3/6 = -.5

This is not the same so this is not a direct variation

c. 27/9 =3

18/6 =3

9/3 =3

This is a direct variation with a constant of 3

d 5/-7 = -5/7

1/-3 = -1/3

This is not the same so this is not a direct variation

4 0

3 years ago

Read 2 more answers

What is 2+2 pls help!!!

kari74 [83]

2+2 is 4
also for example if you have 2 pencits and add 2 more, you get 4

8 0

4 years ago

Three boxes of cereal weigh 379.4 grams, 424.25 grams and 379.37 grams.What is the difference between the lightest and the heavi

Alisiya [41]

You subtract the heaviest amount which is 424.25 grams in this case from the smallest, 379.37 grams.Your answer should be C.

6 0

3 years ago

45 dolls, 105 footballs and 75 small cars will be be placed on shelves so that each shelf has the same number of each type of to

algol [13]

3 shelves allow for 15 dolls each, 35 footballs each and 25 small cars each

4 0

3 years ago