What do I put , me and my family don’t understand!

Answers

Answer 1

Answer:

To find the mass in grams, multiply the number of kilograms by the unit rate, 1,000 grams per kilogram.

Explanation: To find the mass in grams, you multiply the number of kilograms by the unit rate, which is 1,000 grams per kilogram. So, to convert 12 kilograms to grams, you would multiply 12 by 1,000. The mass of the package in grams would be 12,000 grams.

(hope this helped)

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The sum of three fourths of a number and 1 is -5
a function is a rule that assigns each value of the variable to exactly one value of the dependent variable
When 80% of a is added to the number, the result is 252. What is the number

Which multiplication has a negative answer?A) (-1)(-1)
B) (-1)(-1)(-1)(-1)
C) (-1)(-1)(-1)(-1)(-1)
D) (-1)(-1)(-1)(0)

Answers

To find out quickly if multiplication will be positive or negative, count the number of negative signs in each equation. If it comes out even, it is positive. If odd, it will come out negative. Only exception is when 0 is in the mix. First equation has 2, therefore is positive because even. Second has 4, which is another positive because even. 3rd is 5, which is negative because it is odd and has NO 0. 4th has 0.

C is the answer and I hope this helped.

The answer is C. because when you multiply,exponents [-1][-1][-1][-1][-1]. the answer results in the exponent -1.hope i helped

Write the following into rational numbers a over b (a and b are integers)a. 15.89898989 b. 0.101010

Answers

Answer: a.) 15 and 89/99

b.) 10/99

Step-by-step explanation:

a.) 15.898989...

Let x = 0.898989...

100*x = 89.8989...

100x - x = 89.898989... - 0.898989...

99x = 89

x = 89/99

So 15.898989.... = 15 and 89/99

b.) 0.101010

Y= 0.101010

100y = 10.101010...

100y - y = 10

99y = 10

y = 10/99

From MysticAlanCheng

Calculate the perimeter of the rectangle

12cm 12cm 6cm 6cm

Answers

Answer:

The perimeter of a rectangle with the sides

12cm 12cm 6cm 6cm

would have a perimeter of 36cm

Step-by-step explanation:

Algebra question What is the solution to the following system?

(3, 1, 0)
(0, 1, 0)
(2, 1, 0)
(–2, 1, 0)

Answers

The solution to the following system is $(2,1,0)$ .

What is Algebra?

Algebra is defined as the study of mathematical symbols and in which letters and symbols are used to represent numbers.

We have,

$3x+3y+6z=9$ $(i)$

$x+3y+2z=5$ $(ii)$

$3x+12y+12z=18$ $(iii)$

To find the solution to the above give algebraic equations,

We have to find values of $x,y,z$ .

So,

We will be putting $z=0$ in equation $(i)$ ,

$3x+3y+6(0)=9$

$3x+3y=9$ $(iv)$

Now,

We will be putting $z=0$ in equation $(ii)$ ,

$x+3y+2(0)=5$

$x+3y=5$

$x=5-3y$ $(v)$

Using equation $(iv)$ & $(v)$ ,

We get,

$3(5-3y) +3y=9$

$15-9y+3y=9$

$-6y=-6$

$y=1$ ,

Now we have value of $y=1$ , putting this value in equation $(v)$ ,

$x=5-3(1)$

$x=2$ ,

Hence, we can say that option $(2,1,0)$ is the correct answer.

To learn more about algebra click here

brainly.com/question/953809

#SPJ2

Answer:

C.(2,1,0)

Step-by-step explanation:

on edg

Select the correct product. (j + 7)(k - 5)

Answers

Foil the equation; j*k, j*-5, 7*k, 7*-5, once you foil add like terms.

jk - 5j +7k - 35 is the final answer

Answer:

jk - 5j + 7k - 35

Step-by-step explanation:

Aaron is 15 centimeters taller than Peter, and five times Aaron's height exceeds two times Peter's height by 525 centimeters.The system of linear equations that relates Aaron's height (x) and Peter's height (y) is given by . Aaron's height is centimeters, and Peter's height is centimeters.

Answers

The answer for this problem would be x equal to 430 cm and y is equal to 325. This is computed by establishing the equations. This first equation based on first statement would be x = 15 + y and the second would be 5x = 3y + 525. Then it is solve as follows:

5x = 3y + 525

Answer with Step-by-step explanation:

Let Aaron's height be represented by x

and Peter's height be represented by y

Aaron is 15 centimeters taller than Peter.

i.e. x=y+15

Five times Aaron's height exceeds two times Peter's height by 525 centimeters.

i.e. 5x=2y+525

Putting x=y+15 in 5x=2y+525

5(y+15)=2y+525

5y+75=2y+525

5y-2y=525-75

3y=450

Dividing both sides by 3,we get

y=150

Putting the value of y in x=y+15,we get

x=150+15

x=165

Hence, system of linear equations that relates Aaron's height (x) and Peter's height (y) is:

x=y+15

5x=2y+525

Aaron's height is 165 centimeters

and Peter's height is 150 centimeters

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Find the sum. Write in simplest form: 8 1/2 + 4 1/2

Vineet solved a system of equations by substitution. In his work, he substituted an expression for one of the variables and solved for the value of the other. This resulted in the equation 7 = 9. What can Vineet conclude?The solution to the system is (7, 9). The system of equations does not have a solution. The work must be incorrect because it is not possible to get this equation. The system of equations has infinitely many solutions.