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Solnce55 [7]
3 years ago
7

2 x (-8) X (-7) 1-5) =​

Mathematics
1 answer:
abruzzese [7]3 years ago
7 0

Answer:

108

Step-by-step explanation:

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A negative number is 42 less than it’s square.
marissa [1.9K]

Answer:

Let x = the number

A negative number is 42 less than its square ⇒

x = x2 - 42

x2 - x - 42 = 0

(x - 7)(x + 6) = 0

x = 7 or -6

But since it is given that x is negative, the final answer is x = -6.

4 0
3 years ago
A cab company charges $4 per cab ride, plus an additional $2 per mile driven. Write an equation that shows the relationship betw
Gwar [14]

Answer:

y = 2x + 4

Step-by-step explanation:

So, the cab company charges a flat fee of $4 per cab ride, meaning 4 has no variables in the equation. Now, x is the distance, and the cab company charges $2 per mile driven. Per mile driven is a distance unit, so the x goes with the 2. From that, you can get that the cost is equal to 4 dollars plus 2x (2 times the distance in miles). This is y = 2x+4.

5 0
3 years ago
What does 10+10 equal
Ratling [72]

Answer:

20 is the answer for the question

4 0
3 years ago
Help I don’t understand the concept
kvasek [131]

Answer:

C. No, because one x-value corresponds to two different y-values

Step-by-step explanation:

An x-value cannot have two y-values. Hope this helps!

6 0
3 years ago
Read 2 more answers
What would be the correlation coefficient (r) of the following scatter plot?
luda_lava [24]

Answer:

-0.89 (i think)

Step-by-step explanation:

Since the graph seems to be going downwards from the right, it has a negative correlation. And since the data seems to be pretty close together, the correlation must be strong. That narrows the answer down to -0.89

If its wrong then i'm not a smart person, and it's -0.15

8 0
1 year ago
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