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Mandarinka [93]
3 years ago
13

What value of n makes the equation true -2n+1.8=3.2

Mathematics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

n = -0.7

Step-by-step explanation:

-2n+1.8=3.2

subtract 1.8 from both sides of the equation:

-2n = 1.4

divide both sides by -2:

n = -0.7

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Guys please help me
poizon [28]
<h3>Answer:   -4</h3>

==========================================================

Explanation:

We can pick any two rows from the table to get the (x,y) points needed to find the slope.

Let's say we pick the second and third rows

Subtract the y values: 14-6 = 8

Subtract the x values in the same order: 1-3 = -2

Divide the differences: 8/(-2) = -4

The slope is -4

--------------------------------------------------

You can use the slope formula

Let's say the points are (x1,y1) = (1,14) and (3,6)

m = (y2-y1)/(x2-x1)

m = (6-14)/(3-1)

m = -8/2

m = -4

It's the same basic idea as the previous section. You subtract the y values together (y2-y1) and the x values together (x2-x1) and divide the differences to get m. The order of subtraction doesn't matter as long as you stay consistent. If you do something like y2-y1 and x1-x2, then you'll get the wrong slope value.

3 0
3 years ago
If an^2 =b then in terms of a and b , n=?
kompoz [17]

Answer:

√b/a

Step-by-step explanation:

  • an^2 =b
  • n^2=b/a
  • n=√b/a
4 0
3 years ago
Read 2 more answers
PLEASE HELP 99 POINTS
statuscvo [17]
Presumably, h(x)=3(5)^x. In that case,

(A)
The average rate of change over the interval 0\le x\le1 is

\dfrac{h(1)-h(0)}{1-0}=\dfrac{15-3}1=12

and over 2\le x\le3, it's

\dfrac{h(3)-h(2)}{3-2}=\dfrac{375-75}1=300

(B)
\dfrac{300}{12}=25, i.e. the average rate of change over the second interval is 25 times higher. That's to be expected; 3(5)^x is an exponential function. As x gets larger, the rate of change of h(x) gets larger too.
7 0
3 years ago
Which transformations could have occurred to map AABC
babymother [125]

Answer:

A reflection and a dialation

Step-by-step explanation:

  1. Reflection is when you flip a figure over a line.
  2. Rotation is when you rotate a figure a certain degree around a point.
  3. Dilation is when you enlarge or reduce a figure.

In this case a rotation is not nessasary, so I would suggest a reflection in the y-axis and a dialation to shrink the triangle to A'B'C'

So for the transformations that could have occurred to map ABC to A'B'C' you should choose the answer

a reflection and a dialation

5 0
3 years ago
Read 2 more answers
Please help me I need help :(
marta [7]

Answer:

99 sq. units plz rate brainliest

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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