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3 years ago

14

Danica has laid out floor tiles so they form a rectangle with a perimeter of 18 inches. what is the difference between the great

est and least possible areas of the rectangle

1 answer:

Keith_Richards [23]3 years ago

3 0

I believe this is right:
Least: 8 (length) x 1 (width) = 8
Greatest: 5 (length) x 4 (width) = 20
Difference: 20 - 8 = 12

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Solve this system by substitution, y = 1 -3x - 4y = 14 *Remember to write your answer as a coordinate point (x, y). 1

Oksi-84 [34.3K]

Step1- substitute 1 into the y
= -3x-4 x 1=14
=-3x -4=14
=-3x=14+4
=-3x=18
X=18/-3
X=-6

8 0

3 years ago

Each year for 8 years, the Williams family visited 6 different states on vacation. How many more states do they need to visit be

shusha [124]

Answer: 2 states

Step-by-step explanation:

Every year for 8 years, the Williams family visited 6 different states on vacation. This means for 8 years, the family have visited:

= 8 × 6

= 48 states

Since there are 50 states in total, that means we will subtract 48 from 50. This equals :

50 - 48 = 2 states.

They've 2 states left to visit

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3 years ago

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Help???? please on a time crunch here

iren2701 [21]

$\sqrt{(8 - 0)^{2} + (8 + 7)^{2} } \\ \sqrt{64 + 225} \\ \sqrt{286} \\ the \: answer \: is \: 17$

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4 years ago

10(3 + 10u) what is the answer?

photoshop1234 [79]

The correct answer is 30+100u. Hope this helps!!

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3 years ago

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4. James and Terry open a savings account that has a 2.75% annual interest rate, compounded monthly. They

Zinaida [17]

$ 159,744.59 will be in the account after 20 years.

Answer: Option A

<u>Step-by-step explanation:</u>

Need to find out the amount present in the account after 20 years. The formula to find out the future value is,

$\text {Future value}=p \times\left(\frac{\left(1+\frac{r}{n}\right)^{n t}-1}{\frac{r}{n}}\right)$

Here

p : amount deposit monthly =$500

r : rate of interest = $\frac{2.75}{100}$ = 0.0275

n : 12(compound monthly)

t : time =20

By substituting all the given datas in the above equation, we get

$\text { Future value }=500 \times\left(\frac{\left(1+\frac{0.0275}{12}\right)^{240}-1}{\frac{0.0275}{12}}\right)$

$\text {Future value}=500 \times\left(\frac{(1+0.002291)^{240}-1}{0.002291}\right)=500 \times\left(\frac{(1.732)-1}{0.002291}\right)$

$\text { Future value }=500 \times\left(\frac{0.732}{0.002291}\right)=500 \times 319.511=\$ 159,744.99$

3 0

3 years ago