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3 years ago

????? don't answer...

Mathematics

1 answer:

kicyunya [14]3 years ago

8 0

Answer:

why?

Most rocks are made of what elements?

Group of answer choices

quartz, granite, marble, limestone, shale, sandstone, obsidian, mica

oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium

carbon, hydrogen, rubidium, nickel, zink, copper, lead, gallium

lithium, nitrogen, selenium, fluorine, chlorine, antimony, gallium, tin

Step-by-step explanation:

You might be interested in

Point A is located at (-4,\ 9)(−4, 9) on the coordinate plane. Point B is located at (-4,\ -7)(−4, −7). What is the distance be

galben [10]

Answer:

AB = 16 units

Step-by-step explanation:

Given the coordinate (-4, 9) and (-4, -7)

Using the formula for calculating the distance between two points

AB = √(x2-x1)²+(y2-y1)²

AB =√(-7-9)²+(-4+4)²

AB = √(-16)²+0²

AB = √16²

AB = 16 units

Hence the distance between Point A and Point B is 16 units

8 0

3 years ago

Write the quadratic equation whose roots are 3 and −3, and whose leading coefficient is 2

GREYUIT [131]

Answer:

y = 2(x+3)(x-3)

Step-by-step explanation:

y = a (x-x1) * (x-x2) * (x-x3) * ... (x-xn)

x 1 to n represents the roots

6 0

3 years ago

Please help, will give brainliest to first

Lelechka [254]

Answer:

AN = 16 units

Step-by-step explanation:

So we can use the fact that $\frac{AN}{FN} =\frac{OR}{FR}$

Since this is an isosceles triangle, segments FO and FR are both equal to 7

Manipulating the equation above to solve for AN we have $AN = \frac{(FN)(OR)}{FR}$

Substituting in the known values we have $AN=\frac{(10)(11.2)}{7} =16$

8 0

3 years ago

Read 2 more answers

What do u mean by Trigonometry ? <br><br><br>

MrMuchimi

What do u mean by Trigonometry ?

Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies. The Greeks focused on the calculation of chords, while mathematicians in India created the earliest-known tables of values for trigonometric ratios (also called trigonometric functions) such as sine.

Throughout history, trigonometry has been applied in areas such as geodesy, surveying, celestial mechanics, and navigation.

Trigonometry is known for its many identities. These trigonometric identities are commonly used for rewriting trigonometrical expressions with the aim to simplify an expression, to find a more useful form of an expression, or to solve an equation.

Hope it helps!

Pa brainliest?

8 0

3 years ago

Read 2 more answers

2x+1><br><img src="https://tex.z-dn.net/?f=2x%20%2B%201%20%5Cgeqslant%205%20-%20x" id="TexFormula1" title="2x + 1 \geqslant 5

melisa1 [442]

What are we supposed solve for? Be for specific please

4 0

3 years ago