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3 years ago

Please help me asap

Mathematics

2 answers:

Yuliya22 [10]3 years ago

4 0

Answer:

2) 25%

Step-by-step explanation:

frosja888 [35]3 years ago

4 0

Answer:

The answer is (2)

Step-by-step explanation:

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R varies inversely as v2 if r=120 when v=1 ,find r when v=10

makvit [3.9K]

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ r = k/v^2

Substitute the values in:

120 = k/1^2

Multiply both sides by 1^2 to find k

k = 120

Substitute new values in:

r = 120/10^2

Solve:

r = 1.2

➶ Hope This Helps You!

➶ Good Luck (:

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3 years ago

If g(x) = x2 − 1, find g(2).

gladu [14]

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3 years ago

Use properties to find the sum or product 9 times 52

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9 times 52 = 468 hope that helped!!

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3 years ago

Read 2 more answers

4. Evaluate -8÷2+12×9-4x6\<br>56÷7x2

olchik [2.2K]

Answer:

Step-by-step explanation:

In Questions that involve multiple mathematical operations, we use the BODMAS or PEMDAS.

BODMAS is an acronym and it represents; Bracket, Order, Division, Multiplication, Addition, and Subtraction.

PEMDAS is also an acronym that means the same thing with BODMAS, it represents; Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction

We solve using the order present in BODMAS

-8 ÷ 2 + 12 × 9 - 4 x 6 \ 56 ÷ 7 x 2

Solving all Multiplication, we have;

-8 ÷ 2 + 12 × 9 - 4 x 6 \ 56 ÷ 7 x 2

-8 ÷ 2 + 108 - 24 \ 56 ÷ 14

Solving all Division, we have;

-8 ÷ 2 + 108 - 24 \ 56 ÷ 14

-4 + 108 - 24 \ 4

-4 + 108 - 6

Solving all Addition, we have;

-4 + 108 - 6

104 - 6 = 98

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3 years ago

Divide the polynomials.

Mnenie [13.5K]

Answer:

$\dfrac{3x^3+x-11}{x+1}=3x^2-3x+4-\dfrac{15}{x+1}$

Step-by-step explanation:

We want to determine the result of the quotient: $\dfrac{3x^3+x-11}{x+1}$

We follow the procedure of long division which is set out int he table below.

$\left|\begin{array}{c|c}&3x^2-3x+4\\-----&-----\\x+1&3x^3+x-11\\Subtract&-(3x^3+3x^2)\\&------\\&-3x^2+x-11\\Subtract&-3x^2-3x\\&------\\&4x-11\\Subtract&4x+4\\&------\\&-15\end{array}\right|$

Therefore:

$\dfrac{3x^3+x-11}{x+1}=3x^2-3x+4-\dfrac{15}{x+1}$

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4 years ago