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3 years ago

8

What is the surface area for this?

1 answer:

chubhunter [2.5K]3 years ago

4 0

look on Google for the answers

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Solve the given system of equations.

Goryan [66]

The given equations are:
1) 2y = -x + 9
⇒ x = 9-2y

2) 3x - 6y = -15
⇒3x = 6y - 15
x = 2y - 5

Equating the values of x, we get:

9 - 2y = 2y - 5
9 + 5 = 4y
14 = 4y
y = 3.5

Using this value of y in equation 1 we get:

x = 9 - 2(3.5) = 2

So, the solution set is (2, 3.5)

8 0

3 years ago

What is the name of the property of multiplication shown the equation.

Shtirlitz [24]

C- Commutative property.

Explanation: The numbers are flipped around, but still give you the same answer!

5 0

2 years ago

Select the correct answer.

Colt1911 [192]

Answer: B

Step-by-step explanation:

An individual's effective tax rate is the average tax rate.

7 0

2 years ago

What is the recursive rule for the sequence 2, -1, 1/2 , -1/4

Helga [31]

Answer:

$a_n=\frac{-1}{2}a_{n-1}$

$a_1=2$

Step-by-step explanation:

The recursive rule is a term defined in terms of other terms in the sequence.

The is a geometric sequence because it has a common ratio.

The common ratio can be found by dividing a term by previous term.

For example, all of these are equal:

$\frac{-1}{2}$

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

$\frac{\frac{-1}{4}}{\frac{1}{2}}$

They are all equal to $\frac{-1}{2}$ .

So we are saying:

$\frac{\text{term}}{\text{previous term}}}=\frac{-1}{2}$

More formally:

$\frac{a_n}{a_{n-1}}=\frac{-1}{2}$ .

Multiply both sides by $a_{n-1}$ :

$a_n=\frac{-1}{2}a_{n-1}$

When doing recursive form, you need to state a term of the sequence (or more depending on the recursive form you have).

So the first term is 2.

So the full thing for the answer is:

$a_n=\frac{-1}{2}a_{n-1}$

$a_1=2$

8 0

3 years ago

HELP ME HELP HELP HELP ME

Elenna [48]

Answer:

True ( A )

Step-by-step explanation:

4 ( 5 ) - 2 = 2 ( 5 ) + 8

20 - 2 = 10 + 8

18 = 18

This is a correct statement because 18 does equal 18

5 0

3 years ago

Read 2 more answers