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ivann1987 [24]
3 years ago
11

This is my last question on my quiz i need help

Mathematics
2 answers:
IceJOKER [234]3 years ago
8 0
What’s the question ?
harkovskaia [24]3 years ago
6 0

Answer:

-4 times 7 is -28 therefore she is incorrect because the product of a negative times a positive is negative.

Step-by-step explanation:

Hope this helps :)

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4.08 rounded to the nearest tenth
madam [21]
Hello!!!! 

Rounding becomes really easy if you know your places!
So, if you want to round 4.08 to the nearest tenth, all you would have to do is find the tenth place, in this case, the 8.
Since 8 is above 5, you can automatically round to 10.
So, your answer would be 5!
Hope I helped you!!!!! :)
4 0
4 years ago
Joel says the number 63 is prime because it is an odd number. Is he correct? explain why or why not.​
Anarel [89]

Answer:

63 is NOT a prime number

Step-by-step explanation:

It is not ONLY divisible by 1 and itself

6 0
3 years ago
9/16 = x/12<br>x-3/18 = 12/9<br>7/11 = 18/x+1<br>3x-4/14 = 9/10<br>Simplify​
hjlf

Answer:

Step-by-step explanation:

9/16=x/12

cross product

16x=9*12

16x=108

x=108/16

simplify

x=27/4

---------------

x-3/18=12/9

x=12/9+3/18

x=24/18+3/18

x=27/18

x=3/2

--------------------

7/11=18/x+1

18/x=7/11-1

18/x=7/11-11/11

18/x=-4/11

x=18/(-4/11)=(18/1)(-11/4)=-198/4=-99/2

x=-99/2

4 0
4 years ago
Graph y=-1/2x^2-1. Identify the vertex of the graph. tell whether it is a minimum or maximum. (To clarify, 1/2 is a fraction *x^
ahrayia [7]
y= -\frac{1}{2} x^{2}-1 is a quadratic function, so its graph is a parabola.

Notice that the coefficient of x is 0, this always means that the axis of symmetry is the y-axis.

That is, the vertex of the parabola is in the y-axis, so the x-coordinate of the vertex is 0.

for x=0, y=-1. So the vertex is (0, -1)

The coefficient of x^{2} is negative. This means that the parabola opens downwards, so the vertex is a maximum.


Answer: (0, -1) , maximum (none of the choices)
5 0
4 years ago
Help me pls , how many marbles this Carolina have?
Sedaia [141]

Answer:

172

Step-by-step explanation:

5 0
3 years ago
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