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slavikrds [6]
3 years ago
7

Solve for x. Please have explanantion

Mathematics
1 answer:
adell [148]3 years ago
6 0

Step-by-step explanation:

You would multiple each side by 9 and get 45=-3x. Then you would divide each side by -3 and get -15=x.

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Consider U = {x|x is a negative real number}.
gizmo_the_mogwai [7]

Answer:

{x\ x e U and x has a negative square root} is an empty set.

Step-by-step explanation:

If x e U, x is a negative real number, and they don't have a square root (they don't have even roots). Their square roots are complex numbers, not real ones.

6 0
3 years ago
Read 2 more answers
-5(x - 4) + 6 = 5(3x+4) -4
jenyasd209 [6]

Answer:

x=1/2

Step-by-step explanation:

-5(x - 4) + 6 = 5(3x+4) -4

WE APPLY DISTRIBUTIVE PROPERTY:

-5*x +5*4 + 6 = 5*3x +5*4 -4

-5x + 26 = 15x +20 -4

26 +4 -20=15x+5x

10=20x

x= 10/20

we have:

x=1/2

3 0
3 years ago
In the graph 5x2 + 3, the y-intercept is....
ira [324]

Answer:

0 zero

Step-by-step explanation:

The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is the y-intercept. Combine x x and 13 1 3 . Rewrite in slope-intercept form. Using the slope-intercept form, the y-intercept is 0 .

5 0
3 years ago
. Tina walked 20 miles for a fundraiser. Lia
Leno4ka [110]

Answer:

The relation for the distance cover by Tina and Lia is 20 = 4 × m

Option B

Step-by-step explanation

Given as :

The distance cover by Tina = D_1 = 20 miles

The distance cover by Lia = D_2 = m miles

According to question

Tina walked 4 times as far as Lia

So, The distance cover by Tina = 4 × The distance cover by Lia

Or, D_1 = 4 ×  D_2

I.e 20 miles = 4 × m miles

or. 20 = 4 × m

So, relation is 20 = 4 × m

Hence, The relation for the distance cover by Tina and Lia is 20 = 4 × m

I.e option B  Answer

5 0
3 years ago
What is the area of the shaded region?
earnstyle [38]
I think it’s b I’m not sure srry!
7 0
3 years ago
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