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2 years ago

Some hot dogs come in packages of 8. Why would a baker of hot dogs buns package 7 hot dog buns to a package?

2 answers:

8 0

It would either be that they Miss-counted the hot dog buns that they put into each pack or that they put 7 buns on purpose

Aloiza [94]2 years ago

4 0

Because if you want an even number of buns and hotdogs, you have to buy more until you reach the same number which would be the least common factor, so that you spend more money

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A boy travelled a distance of 10 km in 2 minutes calculate the speed of that boy <br>

prohojiy [21]

Step-by-step explanation:

(i hope this helps)

speed=distance/time taken

6 0

2 years ago

At a used book sale , Ms Margo sees that 4 comic books cost $5. At the rate,how much book can ms Margo but for $15?

Nostrana [21]

Answer:

12 books

Step-by-step explanation:

Since she has $15 and books come in a pack of four for $5, we can divide her money by the cost to see how many she can get ($15/$5) which gets us 3. but we have to remember the books come in a pack of four so we must multiply 3x4=12 books.

3 0

2 years ago

Read 2 more answers

3^x= 3*2^x solve this equation

kompoz [17]

In the equation

$3^x = 3\cdot 2^x$

divide both sides by $2^x$ to get

$\dfrac{3^x}{2^x} = 3 \cdot \dfrac{2^x}{2^x} \\\\ \implies \left(\dfrac32\right)^x = 3$

Take the base-3/2 logarithm of both sides:

$\log_{3/2}\left(\dfrac32\right)^x = \log_{3/2}(3) \\\\ \implies x \log_{3/2}\left(\dfrac 32\right) = \log_{3/2}(3) \\\\ \implies \boxed{x = \log_{3/2}(3)}$

Alternatively, you can divide both sides by $3^x$ :

$\dfrac{3^x}{3^x} = \dfrac{3\cdot 2^x}{3^x} \\\\ \implies 1 = 3 \cdot\left(\dfrac23\right)^x \\\\ \implies \left(\dfrac23\right)^x = \dfrac13$

Then take the base-2/3 logarith of both sides to get

$\log_{2/3}\left(2/3\right)^x = \log_{2/3}\left(\dfrac13\right) \\\\ \implies x \log_{2/3}\left(\dfrac23\right) = \log_{2/3}\left(\dfrac13\right) \\\\ \implies x = \log_{2/3}\left(\dfrac13\right) \\\\ \implies x = \log_{2/3}\left(3^{-1}\right) \\\\ \implies \boxed{x = -\log_{2/3}(3)}$

(Both answers are equivalent)

8 0

2 years ago

Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5

avanturin [10]

6x+3y=15
6*2+3y=15
12+3y=15
3y=3
y=1

6x+3y=15
6*5+3y=15
30+3y=15
3y=-15
y=-5

The answers is y=1 & -5

3 0

3 years ago

Question 3

gladu [14]

The answer is a) 16.

5 0

2 years ago