3 years ago

ARITHMETIC AND ALGEBRA REVIEW

Mathematics

1 answer:

klio [65]3 years ago

8 0

42 inches of wire will cost 168 cents

Look at the pic to see how to set up the proportion.

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Elena’s aunt bought her a $150 savings bond when she was born. When Elena is 20 years old, the bond will have earned interest an

Ghella [55]

Answer:

307.5$

Step-by-step explanation:

150$. 105% of it added.

Since 105% is 1.05, multiply the percentage by the cost to get the money added.

150*1.05=157.5

Then ADD it to the price/savings.

150+157.5=307.5$

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3 years ago

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William has a lemonade stand. Today he made $17.55 in lemonade sales and one third that amount in cookie sales. How much money d

ira [324]

All together he made 23.40
One third of $17.55 is $5.85
When you add $17.55 and $5.85 together you get $23.40

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2 years ago

After graphing What is the solution of y= -3x -1 and y= x + 3

Tresset [83]

Answer: (3,4)

Step-by-step explanation:

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3 years ago

The solution to this system of equations lies between the x-values -2 and -1.5. At which x-value are the two equations approxima

drek231 [11]

Hello,
$\left \{ {{y= \dfrac{1}{x+2} } \atop {y=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {\dfrac{1}{x+2}=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x+2= \dfrac{1}{x^2+2} }} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x= \dfrac{1}{x^2+2} -2}} \right. \\\\


$
x=-1.81053571 and y=<span> 5,27803957 </span>

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3 0

2 years ago

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Britney can buy daffodil bulbs in packages of 3 for $3.33 or in packages of 2 for $2.68. How much money does she save by buying

Rudiy27

Answer:

The better but is 3 for $3.33

12 for $13.32

Step-by-step explanation:

3.33/3 = 1.11

2.68/2 = 1.34

The better buy is 3 for $3.33

1.11 x 12 = 13.32

1.34 x 12 = 16.08

6 0

3 years ago