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Natali [406]
3 years ago
13

Combine like terms to create an equivalent expression. 3.4-2.8d+2.8d-1.33.4−2.8d+2.8d−1.3

Mathematics
1 answer:
zysi [14]3 years ago
3 0

Hey there!

Let's combine like terms!

First, let's write them together, like so:

-2.8d+2.8d-2.8d+2.8d-1.33+3.4-1.33

And now we can see that -2.8d and 2.8d cancel out:

-2.8d+2.8d-1.33+3.4-1.33

And they cancel out again:

-1.3+3.4-1.33

Now all we have to do is add the numbers together:

0.77

Hope it helps!

**GraceRosalia **

BRAINLIEST \\PLEASE\\AND\\GOOD\\LUCK\\WITH\\YOUR \\STUDIES! :-)

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Ilia_Sergeevich [38]

Answer:

-4

Step-by-step explanation:

The average rate of change from x=a to x=b of f(x) is \frac{f(b)-f(a)}{b-a}

The given function is f(x)=-5^{x-3}+2.

f(4)=-5^{4-3}+2=-3.

f(4)=-5^{3-3}+2=1.

The average rate of change from x=3 to x=4 is given by:

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7 0
3 years ago
I’m a little confused with this? Can someone walk me through this?
mina [271]

Answer:

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Step-by-step explanation:

From the given graph d has two coordinates;

the first coordinates of d = (0, 0)

the second coordinate of d = (-3 , -5), that is x = -3 when traced up and y = -5 when traced horizontal

The distance between the two coordinates = distance of d;

distance \ between \ two \ coordinates = \sqrt{(x_2-x_1)^2 \ + \ (y_2-y_1)^2} \\\\d =  \sqrt{(-3-0)^2 \ + \ (-5-0)^2}\\\\d = \sqrt{9 \ + \ 25} \\\\d = \sqrt{34} \\\\d = 5.83\\\\d = 5.8

Option A is correct

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3 years ago
PLS HELP WILL GIVE BRAINIEST! You are flying in an airplane that has 2 engines. The engines individually have a success rate of
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Step-by-step explanation:

Individually, they both have a rate of failure of 1%.

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Therefore they have a combined probability of failure of .01%

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I am not the best at this area in math so I would still reference against someone else's answer, but this is my best effort :)

4 0
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Answer:

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Step-by-step explanation:

Using the equation

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