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RideAnS [48]
3 years ago
7

Find the new amount after decreasing $1200 by 18%

Mathematics
2 answers:
Oduvanchick [21]3 years ago
4 0

Answer:

1416

Step-by-step explanation:

Correct me if I'm wrong

Anna35 [415]3 years ago
4 0

Answer: it’s 216 I think

Step-by-step explanation:

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Ben is paving a parking lot with the shapes shown.how can he find the area of the parking lot?
ohaa [14]
Ok do 75x150 then 25x40 and then add them together, and ps. do bace x hight
7 0
3 years ago
What is the average of -2.5, 5.2, 1.7, and -0.8?
Leokris [45]
The average of these numbers is nine tenths, \frac{9}{10}, or .9, however you would like to put it.
5 0
3 years ago
3.
Vitek1552 [10]
To solve this we are going to use the future value of annuity due formula: FV=(1+ \frac{r}{n} )*P[ \frac{(1+ \frac{r}{n})^{kt}-1 }{ \frac{r}{n} } ]
where
FV is the future value
P is the periodic deposit 
r is the interest rate in decimal form 
n is the number of times the interest is compounded per year
k is the number of deposits per year

We know for our problem that P=420 and t=15. To convert the interest rate to decimal form, we are going to divide the rate by 100%: r= \frac{10}{100} =0.1. Since Ruben makes the deposits every 6 months, k=2. The interest is compounded semiannually, so 2 times per year; therefore, k=2.
Lets replace the values in our formula:

FV=(1+ \frac{r}{n} )*P[ \frac{(1+ \frac{r}{n})^{kt}-1 }{ \frac{r}{n} } ]
FV=(1+ \frac{0.1}{2} )*420[ \frac{(1+ \frac{0.1}{2})^{(2)(15)}-1 }{ \frac{01}{2} } ]
FV=29299.53

We can conclude that the correct answer is <span>$29,299.53</span>
8 0
3 years ago
A model ship has a mast that is 7 inches tall. A right triangular sail goes from the top of the mast to 1 inch from the bottom o
dezoksy [38]

Answer:

12 square inches.

Step-by-step explanation:

Please consider the complete question.

A model ship has a mast that is 7 inches tall. A right triangular sail goes from the top of the mast to 1 inch from the bottom of the mast. The length of the base of the sail is 4 inches. The height of the sail is along the mast. Find the area of the sail.

The sail will form a right triangle with respect to mast, whose height is 6 inches and base is 4 inches as shown in the diagram.

The area of the sail will be equal to area of triangle.

\text{Area of triangle}=\frac{1}{2}(\text{Base}\times\text{Height})

\text{Area of triangle}=\frac{1}{2}(4\text{ in}\times6 \text{in})

\text{Area of triangle}=2\text{ in}\times 6 \text{in})

\text{Area of triangle}=12 \text{ in}^2

Therefore, the area of the sail is 12 square inches.

6 0
3 years ago
Given f(x) = -3x - 2 find the foloeing
emmainna [20.7K]

Answer:

f(x) = -3x - 2

F(0)=-2

F(1)= -5

Domain R

Range R

Step-by-step explanation:

6 0
3 years ago
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