3 years ago

Jantonia plans to purchase 4 pencils for her friends How much money will jotonia spend

Mathematics

1 answer:

densk [106]3 years ago

3 0

What's the price of the pencil? I can't solve it without the price of the pencil.

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If a+b = 5, a³+b³+15ab=?

kakasveta [241]

Answer:

${a}^{3} + {b}^{3} + 15(5) = {a}^{3} + {b}^{3} + 75 \\$

5 0

3 years ago

Multiply the additive inverse of (-7/8) by the reciprocal of (5 1/2)<br><br>PLEASE HELP!

EleoNora [17]

Answer:

$\bold {$\dfrac{7}{44}$}$

Step-by-step explanation:

<h3> Reciprocal:</h3>

$\sf \text{The reciprocal of any number $\dfrac{a}{b}$ is given by $\dfrac{b}{a}$}\\\\5\dfrac{1}{2}=\dfrac{11}{2}\\\\\text{Reciprocal of $\dfrac{11}{2}$ = $\dfrac{2}{11}$}$

<h3>Additive inverse:</h3>

$\text{Additive inverse of $\dfrac{-7}{8}$=$\dfrac{7}{8}$}$

Now multiply,

$\sf \dfrac{7}{8}*\dfrac{2}{11}=\dfrac{7}{4}*\dfrac{1}{11}\\$

$=\dfrac{7}{44}$

7 0

2 years ago

I increase a number by 24% the answer is 6014 what number did I start with

miskamm [114]

Answer:

1443.36

Step-by-step explanation:

6014*.24=1443.36

Hope it helps

8 0

3 years ago

Need help plz!!!!? Help would be appreciated

kolbaska11 [484]

Answer:

118•

Step-by-step explanation:

The interior side lengths are:

180-34

180-x

The sum of these are 360º

90 + 180-34 + 180-x + 180-x = 360

-2x = -236

x = 118º

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3 years ago

15% of the seats on an airplane are first class if there are 24 class seats how many seats are on the plane

Andrej [43]

Answer:

160

Step-by-step explanation:

there are 24 first class seats. 15% of the total number is 24. that would mean 5% of the total number is 8. 20 times 8 is 160.

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3 years ago