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Ksju [112]
3 years ago
10

1 1/2 times (-6/15) in fraction for simplest form!

Mathematics
1 answer:
Vika [28.1K]3 years ago
5 0
-66/30= -2 6/30= -2 1/5
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What is the range in interval notation of the function graphed below?
attashe74 [19]

Answer:

Range tells you how high and low the graph of this parabola goes in the “y” (vertical) directions.

1. We can see that the parabola peaks on the y-axis at y = 4. That’s as HIGH as it goes.

2. We also see that both sides of the parabola descend to the level of y = -7. That’s as LOW as it is shown to go.

So putting these together, we say the Range is given by:

-7 <= y <= 3

AMBIGUITY WARNING:

Because the two branches of the parabola go fall right down to the edge of the picture boundary, it’s UNCLEAR whether the parabola truly stops at y = -7 or CONTINUES on (to negative infinity).

In THAT case, the RANGE simplifies to:

Y <= 4

Done.

Step-by-step explanation:

5 0
1 year ago
A) Factorise a^2 - b^2​
Vadim26 [7]

Answer:

a·a-b·b

Step-by-step explanation:

7 0
2 years ago
Help<br><br> Determine which equation is parallel to line jk and which is perpendicular to line jk.
alukav5142 [94]

Answer:

5x + 3y = 13 parallel.

6x - 10y = 7 perpendicular.

Step-by-step explanation:

Two lines with slopes m_1 and m_2 are parallel when m_1=m_2 and are perpendicular when m_1*m_2=-1

Now determine the slope of all the lines

The line jk passes through the points

(-5,5) and (1,-5) so its slope is

\frac{-5-5}{1-(-5)}=\frac{-10}{6}=-\frac{5}{3}

To determine the slope of the lines in the blue rectangles, isolate y from each one and the coefficient of x is the slope

5x-3y = 8 ------> y = (5/3)x + 8/3 ------> slope 5/3

Neither parallel nor perpendicular.

6x+10y = 11 ------> y = (-6/10)x + 11/10 = (-3/5)x + 11/10 ------> slope -3/5

Neither parallel nor perpendicular.

5x + 3y = 13 ------> y = (-5/3)x + 13/3 ------> slope -5/3

This line is parallel

6x - 10y = 7 ------> y = (6/10)x - 7/10 = (3/5)x -7/10 ------> slope 3/5

Since (-5/3)(3/5) = -1 this line is perpendicular.

8 0
3 years ago
I ate twice as many apples as bananas and 3 times as many blueberries as bananas. If I
Vesna [10]

Answer:

Below.

Step-by-step explanation:

Let the number of bananas I ate be x.

Number of apples = 2x.

Number of blueberries = 3x.

So we have the equation:

x + 2x +3x = 12

6x = 12

x = 2.

So I ate 2 bananas, 4 apples and 6 blueberries.

6 0
3 years ago
How many cubes with an edge length of 1/2 are needed to fill a rectangular prism that is 2in by 2in by 3in
siniylev [52]

Answer:

Step-by-step explanation:

2in by 2in by 3in

if each cube is 1/2 edge length then

4 by 4 by 6

4x4x6

16x6

96

96 cubes are needed

8 0
3 years ago
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