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3 years ago

Hello, I have a science project and I need to write an essay about a NON FAMOUS scientist any suggestions?

Mathematics

2 answers:

Mrrafil [7]3 years ago

6 0

Use google and get some ideas. Also look up some non famous scientists and get some info about them

tia_tia [17]3 years ago

3 0

How about writing about Fritz Haber? I know the writer Isaac Azimov would write about him in his non-fiction writings. Haber was famous in the sense that he won a Nobel Prize for the "Haber Process". He was infamous for being (to use my expression) "The Father of Poison Gas". He developed a method of making huge amounts of chlorine gas and using it against troops at the Battle of Ypres, during World War I. A good place to start is to read about him at Wikipedia.

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30 POINTS!! ASAP! PLS SHOW WORK

sp2606 [1]

Answer:

QII

Step-by-step explanation:

We can use the acronym: ASTC or All Students Take Calculus.

The first letter of each word tells us details within a certain quadrant.

All trig functions in QI will be positive.

Only sine (and cosecant) will be positive in QII.

Only tangent (and cotangent) will be positive in QIII.

And only cosine (or secant) will be positive in QIV.

We know that tan(θ)<0. In other words, it's negative.

So, it our angle θ <em>cannot</em> be in QI or QIII.

We also know that cos(θ)<0.

So, this removes QIV, since in QIV, cosine is positive.

Therefore, the only choices that remains is QII.

In QII, sine is positive, tangent is negative, and cosine is negative.

This fits all our conditions, so θ is in QII.

And we're done!

3 0

3 years ago

U = C(1 + rt) solve for t

natita [175]

Answer:

$t = \frac{U -C }{Cr}$

Step-by-step Explanation

$U = C(1+rt) \\ \\ \frac{U}{C} = (1 + rt) \\ \\ \frac{U}{C} - 1 = rt\\ \\ \frac{U -C }{C} = rt\\ \\ \huge \red{ \boxed{ t = \frac{U -C }{Cr} }}$

4 0

3 years ago

Triangle ABC is labeled with points A(5, 2), B(1, 2) and C(3, 6) on a coordinate plane. Find the coordinates of A' B' C' after a

Ilia_Sergeevich [38]

Answer:

After reflection over the x-axis, we have the coordinates as follows;

A’ (5,-2)

B’ ( 1,-2)

C’ (3,-6)

Step-by-step explanation:

Here, we want to find the coordinates A’ B’ and C’ after a reflection over the x-axis

By reflecting over the x-axis, the y-coordinate is bound to change in sign

So if we have a Point (x,y) and we reflect over the x-axis, the image of the point after reflection would turn to (x,-y)

We simply go on to negate the value of the y-coordinate

Mathematically if we apply these to the given points, what we get are the following;

A’ (5,-2)

B’ ( 1,-2)

C’ (3,-6)

4 0

2 years ago

Which math expression means "45 less than an unknown number"?

Allushta [10]

Answer:

D. x * 45

Step-by-step explanation:

this is unknown number, everyone can't answer if there is that mark (*)

6 0

3 years ago

Read 2 more answers

The Marcos family consists of 2 adults and 4 children. They spent a total of $40 on circus tickets. Let x represent the cost of

matrenka [14]

Answer:

First Option

Step-by-step explanation:

First, we will find the equation for the total cost of the tickets.

Given x = Cost of 1 adult ticket

y = Cost of 1 Child ticket

Total Cost of tickets at $40:

2x + 4y = 40

To find which graph represent the cost of the tickets,

we can substitute x = 0 to find y and vice-versa.

If x = 0 ,

$2(0) + 4y = 40\\4y = 40\\y = \frac{40}{4} \\= 10$

So when x = 0 , y = 10 which gives the coordinates (0,10).

Now if y = 0,

$2x+4(0) = 40\\2x = 40\\x = \frac{40}{2} \\= 20$

So when y = 0 , x = 20 which gives the coordinates (20,0)

This shows that this particular line passes through these 2 points and therefore the answer is the first option.

6 0

2 years ago