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3 years ago

Does anyone know What is x+7=-7x-8

Mathematics

1 answer:

rjkz [21]3 years ago

3 0

Answer:

$x=-\frac{15}{8}$

Step-by-step explanation:

$x+7=-7x-8$

Add 7x to both sides:

$8x+7=-8$

Subtract 7 from both sides:

$8x=-15$

Divide both sides by 8:

$x=-\frac{15}{8}$

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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

dalvyx [7]

Answer:

The answer is 2

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

9x9=<br> 8x8=<br> 8x7=<br> 5x4=<br> Vă rog să mă ajutați

sergiy2304 [10]

Answer:

9×9=72

8×8=64

8×7=56

5×4=20

4 0

3 years ago

Read 2 more answers

1011+111 in binary form

Ann [662]

Answer:

10010

Step-by-step explanation:

$1011=1(2)^3+0(2)^2+1(2)^1+1(2)^0$

$111=1(2)^2+1(2)^1+1(2)^0$

So $1011+111$ gives us:

$1(2)^3+0(2)^2+1(2)^1+1(2)^0$

$+$

$1(2)^2+1(2)^1+1(2)^0$

-----------------------------------------------------

Combine like terms:

$1(2)^3+(0+1)(2)^2+(1+1)(2)^1+(1+1)(2)^0$

$1(2)^3+1(2)^2+(2)(2)^1+(2)(2)^0$

We aren't allowed to have a coefficient bigger than 1.

I'm going to replace $2^0$ with 1 and $2$ with $(2)^1$ :

$1(2)^3+1(2)^2+(2)^2+(2)^1(1)$

I want a $2^0$ number:

$1(2)^3+1(2)^2+1(2)^2+1(2)^1+0(2)^0$

Combine like terms:

$1(2)^3+2(2)^2+1(2)^1+0(2)^0$

$2(2)^2=2^3$ :

$1(2)^3+2^3+1(2)^1+0(2)^0$

Combine like terms:

$2(2)^3+1(2)^1+0(2)^0$

We can rewrite the first term by law of exponents:

$2^4+1(2)^1+0(2)^0$

$1(2)^4+1(2)^1+0(2)^0$

So the binary form is:

$10010$

Maybe you like this way more:

Keep in mind 1+1=10 and that 1+1+1=11:

Setup:

1 0 1 1

+ 1 1 1

------------------------------

(1) (1) (1)

1 0 1 1

+ 1 1 1

------------------------------

1 0 0 1 0

I had to do some carry over with my 1+1=10 and 1+1+1=11.

8 0

3 years ago

Which number best represents the slope of the graphed line?

ryzh [129]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

refer to solution in the picture

3 0

2 years ago

Which point lies on the line with point-slope equation y-3 = 4(x+7)?

Snowcat [4.5K]

Answer:

The answer would be (-7,3)

Step-by-step explanation:

8 0

2 years ago