2 years ago

Which expression is equivalent to

Mathematics

1 answer:

Anna [14]2 years ago

6 0

Answer:q^12

Step-by-step explanation:

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Twice a first number decreased by a second number is 22. The first number increased by four times the second number is - 7.

AnnZ [28]

Answer:

Step-by-step explanation:

8 0

2 years ago

Subtract 7x^2−5xy+8y2 from −2x^2−15xy+9y^2

Digiron [165]

Answer

Subtract $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$

then;

$-2x^2 -15xy+9y^2 - (7x^2 -5xy+8y^2)$

Remove the bracket we have;

$-2x^2 -15xy+9y^2 - 7x^2 + 5xy - 8y^2$

Like terms are those terms which have same variable to the same power.

Combine like terms;

$-9x^2 -10xy+y^2$

Therefore, Subtracting $7x^2 -5xy+8y^2$ from $-2x^2 -15xy+9y^2$ we get $-9x^2 -10xy+y^2$

7 0

2 years ago

Now suppose that you have 2 individual and identical oranges. give a generating function for selecting from the oranges.

sweet-ann [11.9K]

12 is the correct answer

6 0

2 years ago

A student is trying to solve the system of two equations given below:

k0ka [10]

Answer:

A. (y+z=6) -8

Step-by-step explanation:

You will use the process of adding together the like terms. Since in equation Q, we have 8y, we need -8y in equation P. Answer A is the only one that will give us -8. You have to distribute -8 across all the variables and numbers in the parenthesis.

8 0

2 years ago

Read 2 more answers

Solve this question. a/7-3<0

valkas [14]

Answer:

$\boxed{\sf{a$

Step-by-step explanation:

You only need to isolate the term a to solve this problem.

Add by 3 from both sides.

$\sf{\dfrac{a}{7}-3+3$

Solve.

0+3=3

a/7<3

Multiply by 7 from both sides.

$\sf{\dfrac{7a}{7}$

Solve.

3*7=21

As a result, the solution is a<21, which is our answer.

7 0

2 years ago