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devlian [24]
3 years ago
5

Kayla reads for 45 minutes. Round how long Kayla spends reading to the nearest 10 minutes.

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0

Answer:

50

Step-by-step explanation:

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A line passes through the given points. write an equation for the line in point-slope form. then rewrite the equation in slope i
rodikova [14]

#1 first we need to solve for slope which is y2-y1/x2-x1

plug in the coordinates and get 1-6/5-(-2) which makes our slope -5/7

then use the equation for point slope form which is:

y-y1=m(x-x1)

then plug in one of the coordinates, I'll use (-2,6), now we have

y-6=-5/7(x+2)

now to make this slope intercept, we just have to solve

y-6=-5/7x-10/7

y=-5/7x+4 4/7

repeat all these steps for 2 and 3

#2: slope = -13/5

plug it in to point slope and get: y+8=-13/5(x-3)

slope intercept:

y+8= -13/5x + 39/5

y= -13/5x -1/5

#3: slope = 3/4

point slope form: y-2=3/4(x-3)

slope intercept: y-2=3/4x-9/4 --> y=3/4x-1/4

7 0
3 years ago
Which interval for the graphed function contams the local<br> maximum?
Natasha2012 [34]

Answer:

[0,2]

Step-by-step explanation:

A local maximum or local minimum is the point where the tangent drawn to it is parallel to the x axis.

The crest of a wave is local maximum and the trough of wave is local minimum.

Here, in the graph, there are 2 troughs and 1 crest.

The crest is at (1.55,10.8). So, the local maximum is at (1.55,10.8).

The interval of the local maximum is between x = 0 and x = 3.

So, the option that matches with the above interval is [0,2].

6 0
3 years ago
Plz help me with this
Makovka662 [10]

Answer:

117° I believe.

Step-by-step explanation:

It would make sense. As it would equal the same as the other side

7 0
3 years ago
Read 2 more answers
Find the number of unique permutations of the word ALGEBRA.
iVinArrow [24]

Answer:

= 2520

Step-by-step explanation:

In 2520 distinct way the letter "ALGEBRA " can be Arranged

I think it's the answer

4 0
2 years ago
Which of the following is a polynomial with roots - square root of 5, - square root of five and 3
valina [46]

Answer:

A is correct

Step-by-step explanation:

What we need to do here is to multiply all the roots together

The roots are;

3, √5 and -√5

Let’s have them in form of a sum

if x = 3, then the root is x-3

If x = √5, then the root is x-√5

If x = -√5, then the root is x+ √5

Now we need to multiply all these together to arrive at the original polynomial

Let’s start by using the roots

(x-√5)(x+ √5)

we can use the difference of 2 squares here and we arrive at (x^2 -5)

So finally, the polynomial would be;

(x^2-5)(x-3)

= x(x^2-5) -3(x^2-5)

= x^3-5x-3x^2+15

By rearranging, we have;

x^3-3x^2-5x+15

4 0
3 years ago
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