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disa [49]
3 years ago
15

What is an element?

Mathematics
1 answer:
diamong [38]3 years ago
7 0
Many types it just depends on what kind of element for example a chemical element is a certain type of atom
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Over the last three evenings, Diane received a total of 105 phone calls at the call center. The third evening, she received 4 ti
sergij07 [2.7K]

Answer:

Make an eqaution from here.
Let’s make evening 2 “x”

So the first evening has 9 less then the secon evening so…
x-9
Of course theres the second evening (x).

X-9+x
Then the third evening has 4 times as much as the second meeting so…
x-9+x+4x

And when solved, it has to equal 105.

So solve from here.
Combine like terms.

6x-9=105
Isolate

6x=114
x= 19

First evening is 9 less then 19, so 10.

The second evening was 19 calls.
The third evening was 4 times the second evening so, 19*4= 76

1st night = 10

2nd night= 19 calls
Thrid night= 76 calls

8 0
3 years ago
The record high January temperature in Austin, Texas is 90 degres F. The record low January temperature is -2 degres F. Find the
Elan Coil [88]
For this one it's really simple. Just do 90-(-2). It may look confusing right now, but it's really easy. All you need to know is that a negative and a negative cancel out to form a positive. So it's actually 90+2. 92 is the difference.
7 0
4 years ago
Read 2 more answers
C= 3x2 + 10x - 32.7
Bad White [126]

Answer: True

Step-by-step explanation:

3 x 2 = 6

12.6 = 6x

6x = 5y

5y = 32

+

8 0
3 years ago
Read 2 more answers
Given 4x − 8y = 8:
siniylev [52]
4x - 8y = 8
8y = 4x - 8
y = 1/2 x - 1

slope: 1/2
y-intercept:(0, -1)

Line perpendicular- negative reciprocal slope

y-(-1) = -2 (x-0) Hahaha I don't know what is the point slope form though hahaha not sure with this.
3 0
3 years ago
I need help!!!!
inna [77]

Answer:

The average rate will be 2.40 dollars per kg.    

Hence, option D is correct.

Step-by-step explanation:

From the table, it is clear that the order size is located on the x-axis and the price is located on the y-axis.

The price of 100 kg cumin = $450

The price of 600 kg cumin = $1650

so

at x₁ = 100, f(x₁) = 450

at x₂ = 600,  f(x₂) = 1650

Using the formula to determine the average rate of change at which the total cost increases will be:

Average rate = [f(x₂) - f(x₁)] / [ x₂ - x₁]

                      = [1650 - 450] / [600-100]

                      = 1200 / 500

                      = 2.4

Therefore, the average rate will be 2.40 dollars per kg.    

Hence, option D is correct.

3 0
3 years ago
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