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2 years ago

Make a 10 or 100 to subtract mentally 76-59 =

Mathematics

2 answers:

Darya [45]2 years ago

6 0

I don't understand what you're saying. If you mean rounding, it would be rounded to 80-60, which would equal 20.

Nat2105 [25]2 years ago

5 0

The answer to 76-59 equals 17

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a lady left from Nakuru to Mombasa she drove for 1 hour 45 min she toke a 15 min break then she drives for another 1 hour 20 min

BabaBlast [244]

drove 1h 45 min

break 15 min

drives 1h 20 min

1h 45min+1h 20 min+15min=3h 20min

3h 20 min=3 1/3h

3 1/3h*75 km/hr=<u>250 km</u>

7 0

3 years ago

How to solve 9x 4 2/5 in words

Natalija [7]

Answer:

39.6

Thirty nine point six

Step-by-step explanation:

9 x 4 2/5

9 x 22/5

198/5 = 39.6

Thirty nine point six

3 0

3 years ago

Solve the following equation. Remember to check for extraneous solutions 1/(x-6) + (x/(x-2)) = (4/(x²-8x+12)).

xxMikexx [17]

Answer:

-1, 2, 6

Step-by-step explanation:

We have to solve the equation as follows: 1/(x-6) + (x/(x-2)) = (4/(x²-8x+12)).

Now, we have, $\frac{1}{x-6} +\frac{x}{x-2} = \frac{4}{x^{2}-8x+12 }$

⇒ $\frac{(x-2)+x(x-6)}{(x-2)(x-6)} = \frac{4}{x^{2}-8x+12 }$

⇒ $\frac{x-2+x^{2}-6x }{(x-2)(x-6)} =\frac{4}{(x-2)(x-6)}$

⇒ $\frac{(x-2)(x-6)}{x^{2}-5x-2 }=\frac{(x-2)(x-6)}{4}$

⇒ $(x-2)(x-6)[\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0$

⇒ $(x-2)(x-6) =0$ or, $[\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0$

If, (x-2)(x-6) =0, then x=2 or x=6

If, $[\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0$ , then $x^{2} -5x-2=4$

and (x-6)(x+1) =0

Therefore, x=6 or -1

So the solutions for x are -1, 2 6. (Answer)

4 0

3 years ago

2(4x-1)+3=7<br> i'm little confused on this

Ratling [72]

Answer:

x = $\frac{3}{4}$

Step-by-step explanation:

Since you cannot subtract -1 from 4x, you multiply 2 × 4x = 8x

Now, you have 8x - 1 + 3 = 7

Seperate the 8x from the other numbers

8x = 1 - 3 + 7 ---> 6

8x = 6

Now simplify

x = $\frac{6}{8}$ <----- to reduce, divide the numerator and denominator by 2

Hence,

x = $\frac{3}{4}$

4 0

2 years ago

The average age of the six people on a winter ski trip was twenty-six. An eleven year-old had to leave the trip early to attend

guapka [62]

It’s will be 25 or 36 ?

3 0

2 years ago