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Step2247 [10]
3 years ago
7

Which expression is equivalent to (-6+7)(-4)

Mathematics
2 answers:
love history [14]3 years ago
6 0
Here is the answer:(+1) x (-4) = -4

disa [49]3 years ago
3 0
<span>(-6+7)(-4) encloses -6+7 within parentheses, so we MUST perform -6+7 first.  That comes to 1.  

Then we have  ( 1 )(-4), which equals -4  (answer).

Note:  Sounds as tho' several possible answers were given, but you haven't shared them.  Share all parts of every question in the future, OK?  Thx.

</span>
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What is the equation of the line through the origin and (-5, 6)?
Oksanka [162]

Answer:

y= -6/5x

Step-by-step explanation:

y=-6/5x+0

=> The answer is D.

5 0
2 years ago
25 points please help me!
lianna [129]
$1.14   1.40 x 0.8=1.12 1.4+ 1.12=1.52 * 0.25 = 1.14
8 0
3 years ago
Which table describes the behavior of the graph of f(x) = 2x3 – 26x – 24?
In-s [12.5K]

Answer:

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis

Step-by-step explanation:

f(x)=2x^{3}-26x-24

2x^{3}-26x-24=0

2x^{3}-26x-24=0\\2x^{3}-2x-24x-24=0\\2x(x^{2} -1)-24(x+1)=0\\2x(x+1)(x-1)-24(x+1)=0\\(x+1)(2x^{2} -2x-24)=0\\=> x+1=0 => x_{1}=-1\\

=> 2x^{2} -2x-24=0\\=>2(x^{2} -x-12)=0\\=> x^{2} -x-12=0\\=> x^{2} -4x+3x-12=0\\=> x(x-4)+3(x-4)=0\\=> (x-4)(x+3)=0\\

=> x-4=0\\=> x_{2}=4\\=> x+3=0\\=>x_{3}=-3\\

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis



7 0
3 years ago
Read 2 more answers
34 X 19/38 reduced to lowest term
torisob [31]

19/38 = 1/2 (divided top and bottom by 19)

so

34 X 19/38

= 34 X 1/2

= 34/2

= 17/1

Answer

17/1 (or 17)

7 0
2 years ago
Please answer today!
Svet_ta [14]

Answer:

#1. A. C. D.

#2. D. F.

3^4 equals 81 and so do answer D. & F.

8 0
2 years ago
Read 2 more answers
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