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SVEN [57.7K]
3 years ago
13

−3x^2−4x+7 answer this problem please - algebra - factoring

Mathematics
2 answers:
Airida [17]3 years ago
8 0

Answer:

-(x-1) (3x+7)

Step-by-step explanation:

disa [49]3 years ago
7 0

Answer:

-((x - 1)(3x + 7))

Step-by-step explanation:

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What is the solution for the inequality x-40>20​
Alenkasestr [34]

Answer:

x= 60

Step-by-step explanation:

8 0
3 years ago
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Write four hundred eighty-five thousandths as a decimal number.
Juliette [100K]

Answer:

0.485

Step-by-step explanation:

3 0
2 years ago
Could someone help and explain it to me?
stiks02 [169]

Answer:

i don't have signs so bare with me x is less than -3

Step-by-step explanation:

move the constant to the right and you change the sign

you add 8+13 once your done with that

than you divide both sides by -7 and flip the inequality sign

hope this helps

4 0
2 years ago
CAN SOMEBODY PLEASE ANDWER THIS!! Given the function f(x)= 14x^2 + 5x - 1 if you could change the 14 to any other number, but th
dybincka [34]

a {x}^{2}  + 5x - 1 = 0 \\ 25 + 4a = 0 \\ a =  \frac{ - 25}{4}  =  - 6.25
4 0
3 years ago
If the coordinates of a quadrilateral composed in the first quadrant of the coordinate plane are (0,0), (0,b), (a,b), and (a,0),
tatuchka [14]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that the coordinates of a quadrilateral in the first quadrant of the coordinate plane are (0,0), (0,b), (a,b), and (a,0),

Distance between AB is given by

\sqrt{(0-0)^2+(0-b)^2}\\\\=\sqrt{b^2}\\\\=b\ units

Similarly,

Distance between CD is given by

\sqrt{(a-a)^2+(0-b)^2}\\\\=\sqrt{b^2}\\\\=b\ units

On the other hand,

Distance between BC is given by

\sqrt{(a-0)^2+(b-b)^2}\\\\=\sqrt{a^2}\\\\=a\ units

Distance between AD is given by

\sqrt{(0-a)^2+(0-0)^2}\\\\=\sqrt{a^2}\\\\=a\ units

Since the lengths of opposite sides are equal,

So, it satisfies the property of rectangle.

Hence, Option 'B' is correct.

8 0
3 years ago
Read 2 more answers
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