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Papessa [141]
2 years ago
5

James has five numbers: 40, √95,-√16,√49 and-√54 which he has to identify as a rational or irrational number. Which of James' so

lutions are correct? Select all that
apply.
A 42 is a rational number.
B √95 is an irrational number.
C -√16 is an irrational number.
D is a rational number.
E √54 is an irrational number.
Mathematics
1 answer:
Nutka1998 [239]2 years ago
3 0

Answer:

Step-by-step explanation:

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Please help!!! Thank you!!!
Reptile [31]
To find the total area of this figure, it would be easiest to find the area of the left part (rectangle) and then find the area of the right part (triangle), and then add the two area values together.

First, we will find the area of the rectangle, using the formula A = lw, where l is the length of the rectangle and w is the width of the rectangle.
The length of the rectangle is 13 cm and the width is 9 cm. If we substitute in these values into our equation, we get:
A = (13cm)(9cm)
A= 117 cm^2

Next, let’s find the area of the triangle, using the formula A=(1/2)bh, where b is the base of the triangle and h is the height.
The base of the triangle is 11 cm and the height of the triangle is 5 cm (found by subtracting 13-8 as seen in the figure). If we substitute in these values and simplify, we get:
A=1/2(11cm)(5cm)
A=1/2(55cm^2)
A=27.5 cm^2.

When we add together the area of the rectangle with the area of the triangle, we will get the total area of the figure.

117 cm^2 + 27.5 cm^2 = 144.5 cm^2
Your answer is 144.5 cm^2 or the first option.

Hope this helps!
8 0
3 years ago
$550.00 is what percent of $1580.00 ?
vodka [1.7K]

The answer is 35%. You just take 550.00/1580.00=0.34810127 then you turn that into percent (round up the 4 to a 5 since the next number is 8). And you get 35%

5 0
3 years ago
ANSWER ASAP PLEASE
vazorg [7]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
Please helppp<br> solve for y
erastovalidia [21]

Answer: y=\frac{-x}{w-3}

Step-by-step explanation:

To solve for y, we want to isolate y.

w=\frac{3y-x}{y}             [multiply both sides by y]

yw=3y-x         [subtract both sides by 3y]

yw-3y=-x      [factor out y]

y(w-3)=-x     [divide both sides by (w-3)]

y=\frac{-x}{w-3}

Now, we know that y=\frac{-x}{w-3}.

5 0
3 years ago
At the beginning of year 1, Josie invests $400 at an annual compound interest
zvonat [6]

Answer:

The explicit formula that can be used is A=\$400(1.05)^{2}

The account's balance at the beginning of year 3 is A=\$441  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=2\ years\\ P=\$400\\ r=0.05\\n=1  

substitute in the formula above  

A=\$400(1+\frac{0.05}{1})^{1*2}  

A=\$400(1.05)^{2}

A=\$441  

3 0
3 years ago
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