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prisoha [69]
3 years ago
8

Help me answer these, please(-6)×(-2)= 4×(-8)=7×(-5)=​

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0
2 negatives make a positive.
1 negative and 1 positive make a negative.
12
32
35
____ [38]3 years ago
7 0

Answer:

Step-by-step explanation:

-6x -2= 12

4x -8= -32

7x -5= -35

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A coordinate axis is drawn with a parabola pointing up that has vertex of 0,3. Determine the intervals on which the function is
mel-nik [20]

Answer:

Option (2). Increasing x > 0; decreasing x < 0

Step-by-step explanation:

Equation of the parabola having vertex (0, 3) will be,

y = (x - 0)² + 3

y = x² + 3

To check the function is increasing or decreasing in the given intervals we will find the derivative of the function,

\frac{dy}{dx}=\frac{d}{dx}(x^{2}+3)

y' = 2x

For x < 0 Or x = -1

y' = 2(-1)

  = -2 < 0

Therefore, function is decreasing in x < 0

For x > 0 Or x = 1

y' = 2(1) + 3

  = 5 > 0

Therefore, function is increasing in x > 0

Option (2) is the answer.

8 0
3 years ago
Select the three statements that are true. A. -11 &gt; -6 B. -5 &gt; -7 C.-4 &gt; -6 D. -9 &gt; 7 E. 8 (-1 F. -5 -4​
OLEGan [10]

Answer: B, C, And F

Step-by-step explanation:

My answer is correct because, for the negative numbber whatever is close to 1 like -1 is greater then the other negative number.

#AnimePower

4 0
3 years ago
What is the equation of the line that passes through the point(−7,−1) and has a slope of 1?
bonufazy [111]

Answer:

y=x+6

Step-by-step explanation:

Put (-7,-1) into

y-y1=m(x-x1) form, and m=1 (the slope)

y+1=1(x+7)

y+1=x+7

y=x+6

Happy Holidays!

4 0
3 years ago
The null space for the matrix is span{A,B} where:_____.
xz_007 [3.2K]

Answer:

A is spanned by vector.

Step-by-step explanation:

The null space of matrix is set of all solutions to matrix. The linearly independent vectors forms subset which are spanned and forms the null space. The null space of vector can be found by reducing its echelon. The non zero rows formed are the null spaces of matrix.

3 0
3 years ago
Please help! I am giving you 10 points for it!
uysha [10]
So if John gives a pen and pencil to each and all of them are over we know that the no. of pencils and pens should be the same
So we will find the LCM of 15 and 40 that is equal to 120
So John brought 120/15 that is 8 packets of pen and 120/40 that is three packets of pencils
6 0
3 years ago
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