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saw5 [17]
3 years ago
10

HELP ME WITH BOTH OF THEM!! ​HELP

Mathematics
2 answers:
Ket [755]3 years ago
6 0

Answer:

1.

x \geqslant  - 2

2.

x <  - 2

Step-by-step explanation:

since the first one is dotted it makes it that sign and also notice the arrow. anyone that is dotted always has the line under the sign

creativ13 [48]3 years ago
3 0
The person who answer before is correct but i can explain how to get the answer. For number 1 look at the point where it is graphed (-2) notice how it is a shaded circle (unlike number 2 where it is white) so you would have > with a line underneath. It would be > because thats the direction in which the line is going. For number 2 it would be x<-2 because the arrow is going to the left so it <, it would be -2 as thats where it has been plotted and, it would NOT have a line underneath the symbol because the circle is not shaded. Hope this helps you understand better for the future!
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andrey2020 [161]
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answer
<span>b. 27.5</span>
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3 years ago
Which graph represents a quadratic function with a vertex at (0, 0)
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PARABOLA

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5 0
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beks73 [17]

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A young boy has 40 total pets. He has two different types of pets. He has cats and penguins. The total number of the heads of hi
Nina [5.8K]

Answer:

He has 30 penguins and 10 cats.

Step-by-step explanation:

Let's define the variables:

C =  number of cats.

P = number of penguins.

We know that he has a total of 40 pets, then:

C + P = 40

We also know that the total heads (40 heads, each animal has one) plus the number of wings (P*2, each penguin has 2) is equal to the number of feet of his pets (4*C + 2*P, because each cat has 4 paws, and each penguin has 2)

Then we have the equation:

40 + 2*P = 4*C + 2*P

Notice that in the second equation we have the term 2*P in both sides of the equation, then we can just subtract 2*P in both sides to get:

(40 + 2*P) - 2*P = 4*C + 2*P - 2*P

40 = 4*C

Now with this, we can find the value of C.

40/4 = C = 10

Then he has 10 cats.

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P + C = 40

to find the value of P

P + 10 = 40

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3 0
3 years ago
Please help. Will grant brainliest!!
makkiz [27]

Answer: 1st option

Step-by-step explanation:

I've attached the solution

5 0
3 years ago
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