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maks197457 [2]
3 years ago
9

Solve. 12. - (-4) = 91617 8​

Mathematics
2 answers:
quester [9]3 years ago
5 0

Answer:

16

Step-by-step explanation:

12-(-4)=12+4=16

Zina [86]3 years ago
4 0

Answer:

16

Step-by-step explanation:

12 - (-4)

when you subtract a negative, you add.

12 + 4 = 16

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Divide 4 2/3 & 3 1/3. Simplify the answer and write it as a mixed number.
Leto [7]

Answer:

4 2/3 ÷ 3 1/3= 1 2/5

Step-by-step explanation:

First, you turn the mixed terms into an improper fraction like this

4 2/3 → 14/3 because when you multiply 4 times 3 equaling 12 then having 2 then adding that you get 14/3.

3 1/3 → 10/3 because when you multiply 3*3=9 then having 1 and adding that you get 10/3.

Then, you do KCF which stands for <u>Keep Change Flip</u> so for this you would do: 14/3 ÷ 10/3 → 14/3 × 3/10

14 × 3 = 42 and 3 × 10= 30

Now being 42/30 this is considered an improper fraction in which you have to transform it into a mixed number like this:

(For this you need to find the greatest common factor)

42/30 →  42 and 30 greatest common factor is 6 because they are divisible and factor of 6.

Now you divide both the denominator and the numerator y 6 like this:

42 ÷ 6= 7

30 ÷ 6= 5

Now we have 7/5, this is still an improper number so we see how many times 7 can go to 5 which is once. So we have 1 as whole number, now we put the reminder as the numenator of the mix fraction keeping 5 as being the denominator.

Overall, We have our answer 1 2/5

I hope this helps :D  

7 0
3 years ago
Paige launched a ball using a catapult she built. The height of the ball (in meters above the ground) ttt seconds after launch i
agasfer [191]

Answer:

1) Factor form : h(t)=-5t(t-8)

2) 8 second after launch.

Step-by-step explanation:

The height of the ball (in meters above the ground) t seconds after launch is modeled by

h(t)=-5t^2+40t

To find the time when ball hit the ground, we need to find the factor form of the given function.

h(t)=-5t(t-8)

When ball hi the ground, then height of the ball from the ground is 0.

h(t)=0

-5t(t-8)=0

Using zero product property, we get

-5t=0\Rightarrow t=0

t-8=0\Rightarrow t=8

Ball hit the ground at t=0 and t=8. It means ball hit the ground in starting and 8 second after launch.

5 0
3 years ago
You have a balance of $213 in a savings account you withdraw $68 one day and $128 the next day without making any deposit what i
Vera_Pavlovna [14]

Answer:

17. . . . . . . . . . . . . . . "" " . . .

7 0
3 years ago
Read 2 more answers
What is the exponential function modeled by the following table?
steposvetlana [31]

Answer:

f(x)=9^{x-1}

Step-by-step explanation:

The general form of the exponential function is,

y=ab^x

The points on the graph will be,

(2,9),(3,27),(4,81)

Putting the points in the function,

9=ab^2  -----------------------------------1

27=ab^3  ---------------------------------2

Dividing equation 2 by equation 1,

\Rightarrow \dfrac{27}{3}=\dfrac{ab^3}{ab^2}

\Rightarrow 9=\dfrac{b^3}{b^2}

\Rightarrow b=9

Putting the value of b in equation 1,

\Rightarrow a(9)^2=9

\Rightarrow a=\dfrac{9}{9^2}

\Rightarrow a=\dfrac{1}{9}

Putting all the values,

\Rightarrow y=\dfrac{1}{9}\cdot 9^x

\Rightarrow y=9^{x-1}

8 0
4 years ago
Read 2 more answers
How much will it cost to put a fence around a circular pool that has a The radius of 9 feet if the fence costs $7 per foot?
disa [49]

Answer:

63

Step-by-step explanation:

3 0
4 years ago
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