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3 years ago

-10y + 9x = -9 10y + 5x = -5

Mathematics

1 answer:

RoseWind [281]3 years ago

5 0

The answer is (-1,0) or x=-1 and y=0 :)

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Wan has 22 bulbs of the same shape and size in a box. The colors of and amounts of the bulbs are shown below: 6 blue bulbs 9 red

elena55 [62]

Probability of orange: 7/22
^ That's for one draw.
For 2 draws, it's when he draws an orange on one <u>and</u> then an orange on the next. So
7/22 x 7/22 = 49/484

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4 years ago

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What is measure of angle Q

Juli2301 [7.4K]

57° is the answer

A triangle adds up to 180° , a circle adds up to 180°

T = 126 °

S = 180° - 126°

S= 54°

R = 69°

Q + S + R = 180°

69 + 54° = 123°

=180° - 123° =

Q= 57°

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3 years ago

Midnight Margaret’s school notebooks are onsale this month for 20% off regular prices. If apack of 5 notebooks normally costs $1

ch4aika [34]

Explanation:

Discount = 20%

The cost of 5 notebooks = $10

The cost of 1 notebook before applying discount = $10/5 = $2

Applying the discount on the original price:

Discount = $10 × 20% = 10 × 0.20

Discount = $2

The sales price of the 5 notebooks = original price - discount

The sales price of the 5 notebooks = $10 - $2

The sales price of the 5 notebooks = $8

The sales price of 1 notebook = $8/5

The sales price of 1 notebook = $1.6

The amount saved per notebook = The cost of 1 notebook before applying discount -

$2 -

3 0

1 year ago

Need help please with the step by step explanation

Stells [14]

Answer:

exponential decay (0,8)

Step-by-step explanation:

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3 years ago

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Pocahontas opens a savings account with $640 dollars that earns 3.9% interest per year not compounded. How much money to the nea

solmaris [256]

Given:

Principal value = $640

Rate of interest = 3.9% not compounded

Number of years = 8

To find:

The amount after 8 years.

Solution:

It is given that the interest is not compounded. It means, we need to find simple interest.

Formula for simple interest:

$I=P\times r\times t$

where, P is principal, r is rate of interest and t is time in years.

Put P=640, r=0.039 and t=8.

$I=640\times 0.039\times 8$

$I=199.68$

So, the interest is $199.68.

Now, amount after 8 years is

$A=P+I$

where, P is principal and I is interest.

$A=640+199.68$

$A=839.68$

Therefore, the amount after 8 years is $839.68.

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3 years ago