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3 years ago

What is the scientific notation for 1,200,000,000

Mathematics

1 answer:

telo118 [61]3 years ago

8 0

Your answer should be:

1.2 x $10^{9}$

Please mark brainliest :)

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What is the Value of x+y ? PLZ Help ASAP

Natalija [7]

ANSWER

$x + y = 60$

EXPLANATION

Method 1

Vertically opposite angles are equal, therefore

$3x + 55 = 85$

This implies that,

$3x = 85 - 55$

We simplify to get,

$3x = 30$

Dividing through by 3 gives,

$x = 10$

Also,

$2y - 5 = 95$

This implies that,

$2x = 95 + 5$

We simplify the right hand side to get,

$2x = 100$

We divide both sides both sides by 2 to get,

$x = 50$

$x + y = 50 + 10$

$x + y = 60$

Method 2

Angles on straight line sums to 180°.

$2y-5+85=180$

This implies that,

$2y+80=180$

$2y=180-80$

$2y=100$

$y=50$

Also,

$3x+55+95=180$

$3x+150=180$

$3x=180-150$

$3x=30$

$x=10$

$x+y=50+10$

$x+y=60$

7 0

3 years ago

Read 2 more answers

Evaluate the following algebraic expressions by substituting z raised to the second power where z=7

PIT_PIT [208]

Answer:

Step-by-step explanation:

z=7 which means that 7 raised to the second power is 7 multiplied by itself. When you do 7 x 7 your answer will be 49. Hope that helps :)

3 0

3 years ago

-15+41=26? Is this the correct answer?

kap26 [50]

your answer is correct because their diff and u should subtracts and u will kepp the sign of the larger number

8 0

3 years ago

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Help me with this please

Maurinko [17]

The answer is $\frac{-6r}{s}$

3 0

3 years ago

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Every Saturday, Justin gets an allowance of $10 from his parents. During every week since Justin began getting an allowance, he

ollegr [7]

Answer:

The sequence is a function since,

It maps to a number from each of the numbers or points in it's domain set which is the set of positive integers
It maps to only one point from each point in it's domain set.

Step-by-step explanation:

This sequence is a function whose domain is the set of positive integers.

The function is given by,

f(x) = 10 + (x -2) when x is even

= (x- 1) when x is odd

The sequence is a function since,

It maps to a number from each of the numbers or points in it's domain set which is the set of positive integers
It maps to only one point from each point in it's domain set.

8 0

3 years ago