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masya89 [10]
2 years ago
5

Subtract 5x^2-8x-1 from -(5x^2 -x - 8).

Mathematics
2 answers:
geniusboy [140]2 years ago
8 0

Answer:

−

2

x

2

+

6

x

+

4

Explanation:

(

3

x

2

+

8

x

−

7

)

−

(

5

x

2

+

2

x

−

11

)

(

3

x

2

−

5

x

2

)

+

(

8

x

−

2

x

)

+

(

−

7

+

11

)

−

2

x

2

+

6

x

+

4

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Or if you prefer:

...

.

.

3

x

2

+

8

x

−

7

...

.

.

5

x

2

+

2

x

−

11

−−−−−−−−−−−−

←

Subtract

.

−

2

x

2

+

6

x

+

4

Step-by-step explanation:

have a good day

Jobisdone [24]2 years ago
3 0

Answer:

-10x² - 7x + 7

Step-by-step explanation:

Subtract:

  • -5x² - 8x - 1 - (5x² - x - 8)
  • -5x² - 5x² - 8x + x - 1 + 8
  • -10x² - 7x + 7

Remember: subtracting a negative number is adding that number

-Chetan K

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Schach [20]

Answer:

3¹²

Step-by-step explanation:

5 0
4 years ago
Find 2 consecutive odd integers sum of who's square is 290​ pls send fast
ELEN [110]

Answer:

<h3>Hence required integers are 11 and 13</h3>

Let x an odd positive integer

Then, according to question

x^2 +(x+2)^2=290

2x^2 +4x−286=0

x^2 +2x−143=0

x ^2+13x−11x−143=0

(x+13)(x−11)=0

x=11 as x is positive

Hence required integers are 11 and 13

Step-by-step explanation:

Hope it is helpful....

7 0
3 years ago
Simplify: -2/5 + 4/3
hoa [83]

Answer:

14/15

Step-by-step explanation:

1. Convert the fractions to have the same denominator

Remember that you can only add fractions with the same denominator

To find the common denominator, find the LCM of 5 and 3 which is 15.

-2/5 * 3/3 = -6/15 and 4/3 * 5/5 = 20/15

-6/15 + 20/15 = 14/15

hope this helps! <3

7 0
2 years ago
Read 2 more answers
8.4.49 A cow is tethered to one corner of a square​ barn, 19 feet by 19 ​feet, with a rope 160 feet long.​ (See the illustration
SashulF [63]

Answer:

20096 ft^2

Step-by-step explanation:

We are given that

Length of rope=l=160 feet

Radius of quadrant of circle=r=160 feet

We have to find the  maximum grazing area of the cow.

We know that

Area of quadrant of circle=\frac{1}{4}\pi r^2

Where \pi=3.14

Using the formula

Area grazed by cow=\frac{1}{4}\times 3.14(160)^2

Area grazed by cow=20096 ft^2

4 0
4 years ago
I need help with this question
prisoha [69]

Answer:

100m^2

Step-by-step explanation:

square has equal sides.

To find the area of the square, the formula is:

Area= length times width

So for square ABCD, 10*10=100m^2

8 0
3 years ago
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