2 years ago

A bakery sells a pack of peanut butter cookies for $3 and a

Mathematics

1 answer:

Westkost [7]2 years ago

5 0

F(x,y) =3x + 5y (hope this helps )

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-3(10+-5)/(10-(-5))^2

marysya [2.9K]

Answer:

Step-by-step explanation:

-3(10 + (-5) / (10 - (-5))^2 =

-3(10 - 5) / (10 + 5)^2

-3(5) / (15^2)

-15 / 225 reduces to -1/15

7 0

3 years ago

Write an equivalent expression for 4.5x(2 - 6)

ki77a [65]

$4.5x(2 - 6) \\ \\ 1. \: 4.5x \times - 4 \\ 2. \: = - 18x$

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2 years ago

Read 2 more answers

Eliminate the bolded term y-10=30

Rina8888 [55]

Answer:

y = 40

Step-by-step explanation:

y-10=30

y=30+10

y=40

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2 years ago

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Sold the equation. Round to the nearest hundredth. <br><br>17 · <img src="https://tex.z-dn.net/?f=1.8%5E%7B-x%2B7%7D%20%3D%205"

svetlana [45]

Answer:

Final answer is approx x=4.26.

Step-by-step explanation:

Given equation is $1.8^{-x+7} = 5$

Now we need to solve equation $1.8^{-x+7} = 5$ and round to the nearest hundredth.

$1.8^{-x+7} = 5$

$\log(1.8^{-x+7}) = \log(5)$

$(-x+7)\log(1.8) = \log(5)$

$(-x+7) = \frac{\log(5)}{\log(1.8)}$

$(-x+7) = \frac{0.698970004336}{0.255272505103}$

$-x+7 = 2.73813274192$

$-x = 2.73813274192-7$

$-x =−4.26186725808$

$x =4.26186725808$

Round to the nearest hundredth.

Hence final answer is approx x=4.26.

4 0

2 years ago

Which is the most effective way to obtain a random sample of your school population

Ierofanga [76]

Ask every fifth person that exits the school
(systematic random)

8 0

2 years ago