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Snowcat [4.5K]
3 years ago
14

Substances that are made of just one kind of atom are ____ .

Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0
Elements, they’re a pure substance and can’t be broken down into simpler substances.
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How many x-intercepts does the graph of y=x^2 have
34kurt

Answer:

one point (on origin),

Step-by-step explanation:

graph of Y=X^2 is parabolic ,and x intecept means the point where ,Y COORDINATE (ORDINATE) becomes 0

so now after putting y=0 in eqution we got

x^2=0

i.e, x=0

that means at (0,0) ,so only one point!

✌️:)

4 0
3 years ago
find the local and/or absolute extrema for the function over the specified domain. (Order your answers from smallest to largest
Arlecino [84]

Answer:

Minimum 8 at x=0, Maximum value: 24 at x=4

Step-by-step explanation:

Retrieving data from the original question:

f(x)=x^{2}+8\:over\:[-1,4]

1) Calculating the first derivative

f'(x)=2x

2) Now, let's work to find the critical points

Set this

2x=0\\x=0    

0, belongs to the interval. Plug it in the original function

f(0)=(0)^2+8\\f(0)=8

3)  Making a table x, f(x) then compare

x|  f(x)

-1 | f(-1)=9  

0 | f(0)=8   Minimum

4 | f(4)=24 Maximum

4) The absolute maximum value is 24 at x=4 and the absolute minimum value is 8 at x=0.    

5 0
3 years ago
Tristan made 98 bracelets in 7 hours and Denita made 56 bracelets in 4 hours. These rates are equivalent because they have the s
dexar [7]

Answer:

A) unit rate

Hope this helps

8 0
3 years ago
Estimate the difference 68,283−47,849 by rounding each number to the nearest ten thousand.
kap26 [50]

Answer:

70,000-50,000=20,000

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Number 2 please help
Sveta_85 [38]

Answer:

you just have to check the first and the third box

Step-by-step explanation:

put each into slop intercept form

y+6=-5(x-2) is the same as y=-5x+4

y-2=-5(x+6) is the same as y=-5x-28

y=-5x+4

y=-5x-28

all of them have a slope of -5, but you need to plug in (2,-6) to see which on is true

5 0
3 years ago
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