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2 years ago

HELP PLEASE I WILL GIVE BRAINLIEST

Mathematics

1 answer:

finlep [7]2 years ago

7 0

Answer:

under the seaquance

Step-by-step explanation:

mark me brilliant

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¿Cuál es el valor de la siguiente expresión? (-12) - (+8)

Agata [3.3K]

Answer:

huh? i really dont understand

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2 years ago

I need to figure out the answer

geniusboy [140]

Answer:

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3 years ago

What is the factorization of the trinomial below -x^2+x+42

aksik [14]

For the given trinomial

$a=-1, b=1 ,c=42$

We need to multiply a by c
$-1 \times 42 = - 42$

We split the middle term with these two factors
$7,-6$
To obtain,

$- {x}^{2} + 7x -6x + 42$
We now factor

$- {x}^{2} + x + 42 \: = x( - x + 7) + 6( - x + 7)$
This implies

$- {x}^{2} + x + 42: = (x + 6)(7 - x)$

4 0

3 years ago

Read 2 more answers

Please help asap!! thank you

svp [43]

Answer:

51 degrees

Step-by-step explanation:

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2 years ago

The width of a rectangle is 19 meters more than the length. The perimeter is 242 meters. Find the length and width.

dimaraw [331]

Answer:

The length of the rectangle is 51 meters and the width is 70 meters.

Step-by-step explanation:

Let us assume that the length of the rectangle is L and the width of the same rectangle is W.

it is given in the problem that, the width of the rectangle is 19 meters more than the length.

Hence, L+19 =W ......(1)

Again, the perimeter of the rectangle is given by 2(L+W), which is given to be 242 meters.

So, 2(L+W) =242, ⇒L+W =121 ..... (2)

Now, solving equations (1) and (2) by substitution method, we get,

L+(L+19) =121, ⇒2L =102, ⇒ L =51 meters.

Now, from equation (1), W=L+19 =70 meters.

Therefore, the length of the rectangle is 51 meters and the width is 70 meters. (Answer)

8 0

3 years ago