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DaniilM [7]
3 years ago
11

When simplified and written in standard form, which quadratic function is equivalent to the polynomial shown?

Mathematics
1 answer:
mars1129 [50]3 years ago
3 0

Answer:

2c^2 - 2c - 3

Step-by-step explanation:

Next time, please share the answer choices.  Thank you.

Group together the 'c' terms in 2 + 7c – 4c2 – 3c + 4:

                                                     2  + 4c and -4c^2 + 4  Then we have:

-4c^2 + 4c + 6

We should reduce this by factoring -2 out of all three terms:

2c^2 - 2c - 3  This is the desired quadratic in standard form.

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Find three consecutive even integers such that the sum of the first, twice the second, three times the third is -76. What is the
ss7ja [257]

Answer:

The numbers are -14,-13 and -12

Step-by-step explanation:

<u><em>The correct question is </em></u>

Find three consecutive integers such that the sum of the first, twice the second and three times the third is -76. What is the number?

Let

x ----> the first consecutive integer

x+1 ---> the second consecutive integer

x+2 ---> the third consecutive integer

we have that

x+2(x+1)+3(x+2)=-76

solve for x

apply distributive property

x+2x+2+3x+6=-76

Combine like terms

6x+8=-76

subtract 8 both sides

6x=-76-8

6x=-84

Divide by 6 both sides

x=-14

so

x+1=-14+1=-13

x+2=-14+2=-12

therefore

The numbers are -14,-13 and -12

3 0
4 years ago
Solve the equation -9v – 9 = -27 for v.
sattari [20]

Answer:

v = -2

Step-by-step explanation:

-9v – 9 = -27

add 9 to each side

-9v – 9+9 = -27+9

-9v = -18

divide by -9

-9v/-9 = -18/-9

v = 2

4 0
3 years ago
Read 2 more answers
Yesterday I ran 9.6 miles at an average speed of 0.4 miles per 5 minutes. How long did it take me to run the 9.6 miles?​
Sati [7]

Answer:

2 hours

Step-by-step explanation:

9.6/(60/5 x 0.4) = 2 hours

/ = divide

x = multiply

3 0
3 years ago
Find the value of c such that the equation x^2 - c = 0 has 12 and –12 as solutions.
Sonbull [250]

Answer:

c=144

Step-by-step explanation:

The given equation is x^2-c=0

If this equation has 12 and -12 as roots, then the roots must satisfy the equation.

We substitute x=12 to obtain

12^2-c=0

144-c=0

Solve for c to get:

144=c

This implies that:

c=144

We could have also substitute x=-12 to get the same result.

6 0
3 years ago
A 19-foot board is cut into two pieces. The length of the shorter piece is 1 ft more than half the length of the longer piece. F
Anon25 [30]

Answer:

no 7days sorry you seriously

7 0
3 years ago
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