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Mashcka [7]
3 years ago
9

Please help!!! Thank you!!!

Mathematics
1 answer:
Reptile [31]3 years ago
8 0
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!
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Express this is scientific notation
Vitek1552 [10]
Place the decimal point right after the first nonzero digit, which is 3. 

So you'll go from this 0.003045 to this 3.045 after this move.
 
Now ask yourself: "how many spots must I move the decimal point to get back to 0.003045?"

The answer is "3 spots to the left"

The exponent of the final answer is -3
The negative indicates "move left" and the 3 tells us how many places to move the decimal

Therefore, 0.003045 = 3.045 \times 10^{-3}

Answer: Choice C)
This is assuming you meant to write the -3 as an exponent
6 0
3 years ago
Malaya is making a collage of her birthday party photos and she wants to add an 8 x 10 inch. photo. Since there is not enough sp
sergij07 [2.7K]

Answer:

The answer is C. 6.4 X 8 in

Step-by-step explanation:

If the scale factor from the original to the trimmed photo is 5:4

The statement above just means the scale of the old dimension is 5 while the scale of the new dimension is 4.

To get the new dimensions, multiply each of the old dimensions by 4/5

4/5 X 10 = 8

4/5 X 8 = 6.4

Therefore the new dimension is 6.4 X 8 in

3 0
3 years ago
WORTH 50 POINTSSS
SpyIntel [72]

We know that if two lines are Perpendicular then Product of Slopes of both of these Perpendicular lines should be Equal to -1

Given : Equation of 1st Perpendicular line is -x + 3y = 9

This can be written as :

3y = x + 9

y = x/3 + 3

Comparing with standard form : y = mx + c

we can notice that slope of 1st Perpendicular line = 1/3

Slope of 1st Line × Slope of 2nd line = -1

1/3 × Slope of 2nd line = -1

Slope of 2nd line = -3

We know that the form of line passing through point (x₀ , y₀) and having slope m is :

y - y₀ = m(x - x₀)

Here the 2nd Perpendicular line passes through the point (-3 , 2)

x₀ = -3 and y₀ = 2 and we found m = -3

⇒ y - 2 = -3(x + 3)

⇒ -3x - 9 = y - 2

⇒ -3x - y = 7

4 0
3 years ago
Read 2 more answers
El mono salta de 2 en 2. El canguro, de 3 en 3. ¿En qué números van a coincidir?, Cuando coinciden la primera vez, ¿Cuántos salt
masha68 [24]

Answer: El mono saltó 3 veces y el canguro saltó 2

Step-by-step explanation:

6 0
3 years ago
2+24&lt;3=87+964= <br> what the answer
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Answer: Nobody knows the trouble ive seen

Step-by-step explanation:

8 0
2 years ago
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