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3 years ago

Find the sum of 914 and 366

2 answers:

8 0

914+366=1,280

Now that was plan easy don't be lazy.

You get 1,280 because when you start from the end and add up that is what it equals

Anastaziya [24]3 years ago

7 0

1280
--------
914
+366
______
1280

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Assume that I=E/(R+r) prove that 1/I=R/E+r/E ?

Serggg [28]

Explanation:

If $I=\frac E{R+r}$ then taking the reciprocal gives

$\frac1I=\frac1{E/(R+r)}=\frac{R+r}E=\frac RE+\frac rE$

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2 years ago

An expression is shown.

borishaifa [10]

Answer: (14.4 x 8)-4

Step-by-step explanation:

add 2.8 and 11.6 and multiply 8 your answer will be 115.2 but when you subtract it with the four you will get the same thing when you calculate the regular problem.I hope this help

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3 years ago

- 1/2 - 6/7 simplest form.?

miv72 [106K]

U find a common denominator which would be 14 :7/14-12/14
Then subtract

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3 years ago

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Linnea is renting a bike. It costs $4.50 per hour plus a $5 deposit

natali 33 [55]

Answer:4.50h+5

Step-by-step explanation:

It $4.50 times how many hours you rent plus the $5 deposit

3 0

3 years ago

Simplify -6i(8-6i)(-8-8i)

padilas [110]

Answer:

-96 + 672\,i

Step-by-step explanation:

This is a product of complex numbers, so we have in mind not only the general rules for multiplying binomials, but also the properties associated with the powers of the imaginary unit "i", in particular $i^2=-1$

We start by making the first product indicated which is that of a pure imaginary number (-6i) times the complex number (8-6i). We use distributive property and obtain the new complex number that results from this product:

$-6\,i\,(8-6\,i)= (-6\,i)\,* 8 \, -\,6\,i\,(-6\,i)=-48\,i+36\,i^2=-48\,i+36\,(-1)=-36-48\,i$

Now we make the second multiplication indicated (using distributive property as one does with the product of binomials), and combine like terms at the end:

$(-36-48\,i)\,(-8-8\.i)=(-36)\.(-8)+(-36)(-8\,i)+(-48\,i)\,(-8)+(-48\,i)(-8\,i)=\\=288+288\,i+384\,i+384\,i^2=288+288\,i+384\,i+384\,(-1)=\\=288-384+288\,i+384\,i=-96+672\,i$

5 0

3 years ago