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nordsb [41]
3 years ago
5

E/4 + 2d - 3 when e = 12 and f = 1/2.

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

Given that,

An expression : \dfrac{e}{4}+2f-3

To find,

The value of the above expression when e = 12 and f = 1/2

Solution,

We have,

\dfrac{e}{4}+2f-3

Put e = 12 and f = 1/2

So,

=\dfrac{12}{4}+2\times \dfrac{1}{2}-3\\\\=3+1-3\\\\=1

So, the value of the above expression is 1.

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<img src="https://tex.z-dn.net/?f=e%20%3D%20mc%20%7B2%7D" id="TexFormula1" title="e = mc {2}" alt="e = mc {2}" align="absmiddle"
serg [7]

Answer:

The equation — E = mc2 — means "energy equals mass times the speed of light squared." It shows that energy (E) and mass (m) are interchangeable.

Hope this helped

6 0
3 years ago
Use synthetic division to find the quotient of (44 + 22 − 4 + 12) ÷ ( + 2). Show your work for full credit.
valina [46]
Just remember BODMAS, which B= brackets O= Order D= Division M= Multiply A=Addition and S=Subtract

So first you solve the brackets so 44+22 is 66

So 66-4+12 so 66-4 is 62

62+12 is 74

So now you have got 74 divided by 2 which is 37

Hope this helps xx
5 0
3 years ago
What is an algebraic equation for four times a number y is sixteen
Len [333]

4y=16

y is the variable. If you were to solve the equation you would write the equation as 4(4)=16.

3 0
4 years ago
Laura bernett is 5 ft-4 inches tall. she stands 12 feet from a streetlight and casts a 9-foot-long shadow. how tall is the stree
xxMikexx [17]
The ratio of the height (h) of the streetlight to its distance to the end of Laura's shadow is the same as the ratio of Laura's height to her distance from the end of her shadow.
.. h/(12+9) = 5'4"/9
.. h = (21/9)*5'4" = 12 4/9 feet
.. h = 12 ft 5 1/3 inches

The streetlight is 12 ft 5 1/3 inches tall.
5 0
3 years ago
Which of these is true about a bar magnet?
Sav [38]
When we say bar magnet, this is a kind of magnet that is rectangular in shape and possesses magnetic properties. Based on the statements above, the one that is true regarding a bar magnet is that, its poles cannot be separated into two isolated poles. The answer would be the third option. Hope this helps.
7 0
3 years ago
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