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tino4ka555 [31]
3 years ago
13

can someone help please? :< brainliest to whoever answers first(50 points) correct answers please! :(

Mathematics
2 answers:
vichka [17]3 years ago
7 0

Now you can give the kind person who was able to answer your problem! :)

Marta_Voda [28]3 years ago
5 0

Answer:

y=-4x+7

Step-by-step explanation:

Test all the values of x given and compare the value of y as shown.

when x=-3

y=19

y=-4*-3+7=19√

when x=-2

y=15

y=-4*-2+7=15√

when x=-1

y=11

y=-4*-1+7=11√

when x=0

y=7

y=-4*0+7=7√

when x=1

y=3

y=-4*1+7=3√

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Which expression is equivalent to \left(3^{-6}\times 3^{3}\right)^{-1}\normalsize?(3 −6 ×3 3 ) −1 ? 3^{-19}3 −19 3^{18}3 18 3^{-
mars1129 [50]

Answer:

27

Step-by-step explanation:

Given the expression

\left(3^{-6}\times 3^{3}\right)^{-1}\\

According to law of indices, this can be written as;

\left(3^{-6+3})^{-1}\\\\= (3^{-3})^{-1}\\\\= 3^{-3*-1}\\\\= 3^3\\\\= 27

Hence the required answer is 27

5 0
3 years ago
57 is 13.5% of what number?
kondaur [170]
Let, the number = x
It would be: x * 0.135 = 57
x = 57 / 0.135
x = 422.23

Hope this helps!
6 0
3 years ago
SAT question <br> Can someone explain to me what this is asking
frozen [14]

Answer:

B

Step-by-step explanation:

The vertex is the turning point of the parabola.

First find the zeros by equating y to zero, that is

(x - 6)(x + 12) = 0

Equate each factor to zero and solve for x

x - 6 = 0 ⇒ x = 6

x + 12 = 0 ⇒ x = - 12

The vertex lies on the axis of symmetry which is situated at the midpoint of the zeros, thus

x_{vertex} = \frac{6-12}{2} = \frac{-6}{2} = - 3

Thus the x- coordinate of the vertex is x = - 3 → B

6 0
4 years ago
2/3x+4=3/5x-2? What’s the formula? Step by step? How do u do this?
Talja [164]

-90

Step-by-step explanation:

2/3x+4=3/5x-2

2/3x – 3/5x = -2 – 4

LCM for 5 & 3 is 15 so we can use it on the two fractions;

10/15x – 9/15x = 1/15 x

1/15x = -6

x = - 6 * 15

x = -90

Learn More:

For more on dealing with fractions check out;

brainly.com/question/1878884

brainly.com/question/10879215

#LearnWithBrainly

6 0
3 years ago
If you were to spin a spinner at right what would be the probability of landing on green or purple
AURORKA [14]

depending on how many green and purple there are, lets say 4, and there are 10 other colors, it would be 4/10 so its 40%

5 0
3 years ago
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