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nalin [4]
3 years ago
15

WILL GIVE BRAINLIEST!!!

Mathematics
2 answers:
ELEN [110]3 years ago
4 0

Answer:

C is the answer.  

Step-by-step explanation:

erica [24]3 years ago
4 0

A) 4*4=16

B) 8*2=16

C) 2^3 = 2*2*2= 8

D) 2^4= 2*2*2*2 =16

Answers are A) , B) and D)

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What is the perpendicular line in slope form of the equation (-5,8);y=1/5x-1
denpristay [2]

Answer: Find the negative reciprocal of the slope of the original line and use the slope-intercept form y=mx+b to find the line perpendicular to y=1/5x−1. y=−5x−17



5 0
3 years ago
Read 2 more answers
What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?
telo118 [61]

Answer:

f(x)=-\frac{1}{8}(x-3)^2+3

Step-by-step explanation:

We want to find the equation of the parabola with a focus of (3,1) and directrix y=5.

Considering the directrix, the quadratic graph must open downwards.


The equation of this parabola is given by the formula,

(x-h)^2=4p(y-k), where (h,k) is the vertex of the parabola.


The axis of this parabola meets the directrix at (3,5).

Since the vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix,


h=\frac{3+3}{2}=3 and k=\frac{5+1}{2}=3.


The equation of the parabola now becomes,


(x-3)^2=4p(y-3).


Also |p| is the distance between the vertex and the directrix.


|p|=2


This implies that p=-2\:or\:2.


Since the parabola turns downwards,


p=-2.



Our equation now becomes,


(x-3)^2=4(-2)(y-3).


(x-3)^2=-8(y-3).


We make y the subject to get,

y=-\frac{1}{8}(x-3)^2+3).


This is the same as

f(x)=-\frac{1}{8}(x-3)^2+3).









4 0
3 years ago
Choose the missing step in the given solution to the inequality −x − 10 > 14 + 2x. −x − 10 > 14 + 2x −3x − 10 > 14 ____
Svet_ta [14]

Answer: -3x> 24

Step-by-step explanation:

Given the inequality -x - 10 > 14 + 2x, we need to solve for "x".

We can subtract -2x to both sides:

-2x-x - 10 > 14 + 2x-2x

-3x- 10 > 14 (This step is shown in the exercise)

Now, we can add 10 to both sides:

-3x- 10 +10> 14+10

-3x> 24 (This step is not shown in the exercise)

And finally, divide both sides by -3:

\frac{-3x}{-3}>\frac{24}{-3}

x< -8 (This is shown in the exercise)

Therefore, the missing step is:

-3x> 24

3 0
3 years ago
Is the number a rational number? Help me out please!
krek1111 [17]

Answer:

first answer

Step-by-step explanation:

Hi, this is correct because repeating decimals are rational numbers.

Rational numbers can be written by a fraction of integers.

If there is a pattern, it means that this is the division of two integers.

hope this helps

8 0
3 years ago
Read 2 more answers
Simplify the expression. [2×(10+5)]-5
svetlana [45]
<span>[2×(10+5)]-5
[2*15]-5
30-5
25</span>
3 0
3 years ago
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