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2 years ago

Who's good at math I really need help?‼️‼️‼️‼️

Mathematics

1 answer:

DIA [1.3K]2 years ago

5 0

Answer:

Step-by-step explanation:

I am So wt u need help on mam

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If y=2x+10 and X= -2 then what is y

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Y=2•(-2)+10
Y=-4+10
Y=6

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2 years ago

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if the volume of a cube of wood is 15.625 cm^3 and its mass is 10.00 grams show the calculation for the density of the cube

oee [108]

Time 15.625 to the 3 and divide it by 10.00 grams and you will get your answer

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3 years ago

If 23 people shake each others hands once how many hands are shook in all

AURORKA [14]

This is the number of combinations of 2 from 23
23C2 = 23! / 2! 21!

A quick way to do this is 23*22 / 2 = 253

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2 years ago

In the graph below, Point A represents Owen's house, Point B represents David's house and Point C represents the school. Who liv

ycow [4]

Answer:

• David

• 4 miles

Explanation:

In the graph:

The given locations are:

• Owen's House, A(11,3)

• David's House, B(15,13)

• School, C(3,18)

We determine both Owen's and David's distance from the school using the distance formula.

$Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Owen's distance from school (AC)

$\begin{gathered} AC=\sqrt[]{(3-11)^2+(18-3)^2} \\ =\sqrt[]{(-8)^2+(15)^2} \\ =\sqrt[]{64+225} \\ =\sqrt[]{289} \\ AC=17\text{ miles} \end{gathered}$

David's distance from school (BC)

$\begin{gathered} BC=\sqrt[]{(3-15)^2+(18-13)^2} \\ =\sqrt[]{(-12)^2+(5)^2} \\ =\sqrt[]{144+25} \\ =\sqrt[]{169} \\ BC=13\text{ miles} \end{gathered}$

We see from the calculations that David lives closer to the school, and by 4 miles.

The graph below is attached for further understanding:

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8 months ago

The equation K = mv2 represents the energy an object has based on its motion. The kinetic energy, K, is based on the mass of the

docker41 [41]

<span>The answer is She should have multiplied by 2 instead of dividing by 2.
First one.</span>

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2 years ago

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Who's good at math I really need help?‼️‼️‼️‼️​

Who's good at math I really need help?‼️‼️‼️‼️