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3 years ago

How would you divide 1.2 divided by 9?

2 answers:

7 0

Without a calculator, you would do this:

You would want to multiply 1.2 by
1, 2, 3, 4, 5, 6, 7, 8, etc. to try to get the best possible average.
So, 1, 2, 3, 4, 5 won't work.

6 * 1.2 = 7.2
7 * 1.2 = 8.4
8 * 1.2 = 9.6

So right now you have 7, 9 - 8.4 = .6 leftover.

Now you'd take .6/1.2, which is .5 .

Combine 7 and .5 and you get...

Your Answer:
7.5

Travka [436]3 years ago

4 0

1.2 divided 9 equals 0.13 repeating or in other terms 0.133333

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How many digits are in a phone number including the area code

pav-90 [236]

Answer:

11 digits

Step-by-step explanation:

x-xxx-xxx-xxxx

Counting these x's they would be 11. (if living in U.S.A)

7 0

4 years ago

Read 2 more answers

Help needed desperately

Aneli [31]

Answer:

80° , 100°, 80°

Step-by-step explanation:

∠ 1 and ∠ 2 form a straight line and sum to 180° , then

2x + 40 + 2y + 40 = 180

2x + 2y + 80 = 180 ( subtract 80 from both sides )

2x + 2y = 100 → (1)

∠ 1 and ∠ 3 are vertical angles and are congruent , then

2x + 40 = x + 2y ( subtract x from both sides )

x + 40 = 2y ( subtract 40 from both sides )

x = 2y - 40 → (2)

Substitute x = 2y - 40 into (1)

2(2y - 40) + 2y = 100

4y - 80 + 2y = 100

6y - 80 = 100 ( add 80 to both sides )

6y = 180 ( divide both sides by 6 )

y = 30

Substitute y = 30 into (2)

x = 2(30) - 40 = 60 - 40 = 20

Thus x = 20 and y = 30

Then

∠ 1 = 2x + 40 = 2(20) + 40 = 40 + 40 = 80°

∠ 2 = 2y + 40 = 2(30) + 40 = 60 + 40 = 100°

∠3 = x + 2y = 20 + 2(30) = 20 + 60 = 80°

8 0

3 years ago

Solution to the inequality 16x−33x<37x+27.

astra-53 [7]

The solution to the inequality is:

$x>\frac{-1}{2}$

Solution:

Given inequality is:

$16x-33x$

We have to find the solution to given inequality

$\mathrm{Add\:similar\:elements:}\:16x-33x=-17x$

$-17x$

$\mathrm{Subtract\:}37x\mathrm{\:from\:both\:sides}$

$-17x-37x$

Simplify the above inequality

$-54x$

$\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}$

Remember that, change the inequality sign if you divide or multiply both sides by a negative number

If you divide or multiply both sides by a positive number,the inequality sign will not change

$\left(-54x\right)\left(-1\right)>27\left(-1\right)\\\\54x>-27$

$\mathrm{Divide\:both\:sides\:by\:}54$

$\frac{54x}{54}>\frac{-27}{54}\\\\x>-\frac{1}{2}$

Thus the solution to inequality is found

3 0

4 years ago

1/4 of the girls and 1/8 of boys in the class retake their school pictures. The photographer retakes pictures for 16 girls and 7

gladu [14]

With my calculations im thinking 120 students

4 0

3 years ago

Which is an equation of the line with slope that contains (–4, 7)?

MrMuchimi

Answer:

Because you did not give the slope, we cannot get the exact equation. However, using m as a substitute for slope, the point-slope form would be y - 7 = m(x + 4)

Step-by-step explanation:

We can find this equation through the use of the base form of point-slope form. Then we can plug in the point where we see fit.

y - y1 = m(x - x1)

y - 7 = m(x + 4)

4 0

3 years ago