The result of a number, when decreased by 20%, is 192. Find the number.

Answer:

-1/60

Step-by-step explanation:

9/20-7/15=27/60-28/60

=-1/60

Answer:

-1/60

Step-by-step explanation:

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(9/20, 7/15) = 60

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(9/20×33)−(7/15×44)

Complete the multiplication and the equation becomes

27/60−28/60

The two fractions now have like denominators so you can subtract the numerators.

Then:

27−28/60=−1/60

This fraction cannot be reduced.

Therefore:

9/20−7/15=−1/60

Answer:

14

Step-by-step explanation:

16-2= 14

Hope this helps!

Answer:

She is 72 months old.

Step-by-step explanation:

Answer: 72 months

Step-by-step explanation: 12 x 6 = 12

Answer:

120

Step-by-step explanation:

Make a chart:

Lines:                  0   1    2   3  4   5   6

Closed regions: 0   0   0   1   3   6   10

Find the number of numbers using the formula:

[tex]\frac{first term + last term}{2}[/tex] x 14 = [tex]\frac{2 + 15}{2}[/tex] x 14

                                  = 8.5 x 14

                                  = 119

119 + 1 = 120

(add 1 because we didn't count the first line in the formula)

I hope this helps :)

The total number of closed regions is 120.

Given that,

Seventeen lines are drawn in a plane, with no three concurrent and no two parallel, dividing the plane into closed regions (bounded on all sides) and open regions.

Used the formula to calculate the number of closed regions with n sides is,

Number of sides = (n - 1) (n - 2) / 2

Here, n = 17

Hence, The number of closed regions is,

Number of sides = (n - 1) (n - 2) / 2

Number of sides = (17 - 1) (17 - 2) / 2

Number of sides = 16 × 15 / 2

Number of sides = 120

To learn more about closed regions, follow the link.

brainly.com/question/15424654

#SPJ3

Answer:

100

Step-by-step explanation:

Because Jasmine plus 9 friends equal to 10. And each person gives away 10 free samples. 10 times 10 equals to 100. Hope it helps and I’m so sorry if I’m wrong.

Answer:

Its 100

Step-by-step explanation:

because 10x10 equals 100 (PLUS JASMINE) you have to add jasmine or else it would be incorrect.

Answer:

the second one is your answer

Step-by-step explanation:

hope this helped mark me brainlest pls and thank you

Answer:

[tex]10^{4}[/tex]

Step-by-step explanation:

4 x 10^7 is 40000000

4 x 10^3 is 4000

We are told that 4x10^7 is something times as much as 4x10^3

So we will work backwards to find the answer,

If you divide 40000000 by 4000 you will get 10000

10000 is the same as 10^4

Answer:

10^4

Step-by-step explanation:

10^7-3

Hahaha that's all

Step-by-step explanation:

a and b are not integers

[tex] {x}^{2} + 6x + 13 = 0 \\ x = - 3 \pm2i[/tex]

[tex]a \: \in \mathbb{C}[/tex]

[tex]b \: \in \mathbb{C}[/tex]

Answer:

$34.5

Step-by-step explanation:

15% of $30 is 4.5

So 30+4.5=34.5

15 / 100 × 30 = 4.5

30 + 4.5 = 34.5

The answer is 34.5

Answer:

y=ex+4 ok hope you get it right

Answer:

The choice 13

Step-by-step explanation:

[tex]| {c}^{2} + {b}^{2} | \\ | {( - 2)}^{2} + {( - 3)}^{2} | \\ |4 + 9| = 13[/tex]

I hope I helped you^_^

Answer:

[tex]t=4.4594[/tex]

Step-by-step explanation:

We can take the log 2 of both sides to get [tex]t=\log_2(22)[/tex].

We know that [tex]2^4<22<2^5[/tex], so [tex]4<t<5[/tex].

So, the solution is [tex]\boxed{t=4.4594}[/tex] because it's the only answer that works.

Step-by-step explanation:

x = 112°

y = z = 180° - 112° = 68°

Answer:C

Step-by-step explanation:

Answer:

-9

Step-by-step explanation:

domain is the x numbers so -9 is the only one that is under x

Answer:

16

Step-by-step explanation:

Answer: 7

Step-by-step explanation: As a kid growing up in public schools, math definitely sucked a lot and growing up does too but math would always get harder and harder and as I learned in 1st grade my times tables and addition, I learned that 1+1 = 2 so that means if we do 1+1+1+1+1+1+1 then that would equal 7 and so now we have 7 times the amount we had before therefore making the statement valid and icey

Answer:

4

Step-by-step explanation:

Answer:

4 cubic decimeters.

....

Answer:

rs)(4)=(2rootX)(rootX)

(rs)(4)=2x

(rs)(4)=8

(r/s)(3)=(2rootX)/(rootX)

(r/s)(3)=2

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

I fits the graph that is described

Answer:

Nope

Step-by-step explanation:

All angles have to measure up to where adding up two of any angles will result in a number greater than or equal to the angle that was not added.

But here if we add up 94° and 11°, we end up with 105°.

Since 105° is lower than the angle not added, which is 106°, this triangle cannot exist.

Answer:

where are the numbers?

Step-by-step explanation:

where are the numbers

Answer:

21 1/4

Step-by-step explanation:

5x4 1/4

Answer:

20.59

Step-by-step explanation:

Answer:

[tex]x = \frac{27}{10}[/tex]

Step-by-step explanation:

Hope this helps! :D

Answer:

Inequality: 6 ≤ n+15

Solution: -9≤n

Answer:

Answer is C

Andy's Y value increases 2 times more

Answer:

B)

Step-by-step explanation:

If you look at Kate's y column, you will see that her pattern goes by 2,4,6 and 8.

It increases by 2.

At the same rate, Andy's increases by 4.

Therefore, B would be the correct answer.

Answer:

Midpoint = (1,2)

Step-by-step explanation:

Using coordinates: D(-2,3) and L(4,1)

Using the midpoint formula:

Midpoint of DL = (D1 + L1) / 2, (D2 + L2) / 2

Midpoint of DL = (-2 + 4) / 2, (3 + 1) / 2

Midpoint of DL = (2) / 2, (4) / 2

Therefore the midpoint of DL is (1,2)