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natta225 [31]
3 years ago
8

Please give an explanation!!!

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

  • B) 5

Step-by-step explanation:

The area is the sum of three sections: rectangle and two same triangles

<u>Rectangle has sides of </u>

  • 10 and 9 - 4 = 5

<u>Triangles have sides of </u>

  • 4 and 10/2 = 5

The missing number is 5 for both parts of the equation

Correct option is B

lawyer [7]3 years ago
6 0

Answer:

d

Step-by-step explanation:

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Min-Jee is planting two rectangular flower beds. One bed is 2.78 feet by 4.81 feet, and the other bed is 2.78 feet by 5.61 feet.
shusha [124]

Answer:  (2.78+4.81)(2.78+5.61)

Step-by-step explanation:

<h3> The complete exercise is attached.</h3><h3></h3>

The area of a rectangle can be calculated with this formula:

A=lw

Where "l" is the lenght and "w" is the width.

Then, you can notice that it can be obtained by multiplying the dimensions of the rectangle.

Knowing this, you can determine that the total area of the two flowers bed can be obtained by adding the products of their dimensions.

Since one of the rectangular flower bed is 2.78 feet by 4.81 feet and the other bed  2.78 feet by 5.61 feet, you can write the following expression to find the total area (in square feet)of the two beds:

2.78*4.81 +2.78*5.61

If you factor out 2.78:

2.78(4.81 +5.61) or (4.81 +5.61)2.78

Therefore, the expression that does not represent the total area in square feet of the two beds, is:

(2.78+4.81)(2.78+5.61)

6 0
3 years ago
Read 2 more answers
Which of the following has 5.1012 in written form?
Pani-rosa [81]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A tourist takes a picture with a Moai statue on Easter Island. In the photograph, the Moai statue is approximately 4.54.54, poin
KengaRu [80]

Answer:

The of the tourist is 1.67 meters.

Step-by-step explanation:

Height of statue in photograph = 4.5 inches.

Height of tourist in photograph = 1.25 inches.

\dfrac{Statue}{Tourist}=\dfrac{4.5}{1.25}

Actual height of statue = 6.0 meters.

We need to find the the actual height of the tourist in meters.

Let x be the actual height of the tourist in meters.

\dfrac{Statue}{Tourist}=\dfrac{6.0}{x}

Ratio of height of statue and tourist are proportional.

\dfrac{4.5}{1.25}=\dfrac{6.0}{x}

3.6=\dfrac{6.0}{x}

3.6x=6.0

x=\dfrac{6.0}{3.6}

x\approx 1.67

Therefore, the of the tourist is 1.67 meters.

5 0
4 years ago
What is 2+4×17÷3. Please help me
solong [7]
24.6667 

round it, it'll be 25
3 0
3 years ago
Read 2 more answers
Need help with my trig homework
dalvyx [7]

The 30º-60º-90º triangle is a special case you'd do well to remember, because the legs always occur in the same ratio to one another. As your picture shows (I'm guessing "SL" stands for short leg?), the sides labeled 4, y and x occur in a ratio of 1 to √3 to 2.

This means

sin(30º) = SL/(2*SL) = 1/2

tan(30º) = SL/(√3*SL) = 1/√3

(and also cos(30º) = (√3*SL)/(2*SL) = √3/2, though you don't really need that here)

So in this triangle, x and y satisfy

sin(30º) = 4/x

tan(30º) = 4/y

This comes straight from the definitions of sine and tangent. Then

4/x = 1/2  ==>  x = 8

4/y = 1/√3  ==>  y = 4√3

8 0
3 years ago
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