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Aleks [24]
4 years ago
13

△ABC has interior angles with measures x°, 90°, and 70°, and △DEF has interior angles with measures y°, 70°, and 20°. Using the

given information, which statement is true?
A.The two triangles are not similar because x≠y .

B.The triangles are similar because they each have an interior angle with a measure 70°.

C.The two triangles are not similar because the interior angles are congruent but the side lengths are different.

D.The two triangles are similar because y=90 .
Mathematics
1 answer:
DerKrebs [107]4 years ago
4 0
The letter answer is d
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kobusy [5.1K]
Area of a cone is v=1/3 pi r2^h
V=1/3 (3.14)(10)2^(30)
V=1/3 (3.14)(100)(30)
V=9420/3
V=3140
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3 years ago
Robert has fish, chickens, and dogs. There are 28 eyes total and 16 legs total. Also, there are twice as many fish as chickens.
Elena L [17]
Answer : 2 dogs.
Explanation : If there were 2dogs there would be 8 legs. That means 8 legs belong to 4 chickens. 2 dogs and 4 chickens is 12 eyes. If the number of fish is double the number of chickens, there would be 8 fish. 8 fish is 16 eyes. 16 fish eyes + 4 dog eyes and 8 fish eyes is 28 eyes.
8 0
3 years ago
The length of a rectangle is the sum of the width and 4. The area of the rectangle is 32
Sauron [17]

Answer:

The width of rectangle w = 4 units

Step-by-step explanation:

We are given:

Width of rectangle = w

Length of rectangle = w+ 4

Area of rectangle = 32 units

We need to find width of the rectangle

The formula used is: Area\:of\:rectangle=Length\times Width

Putting values and finding width of rectangle

Area\:of\:rectangle=Length\times Width\\32=(w+4)\times w\\32=w^2+4w\\w^2+4w-32=0

We need to solve this quadratic equation to find width (w)

We will use factorisation and break the middle term.

w^2+4w-32=0\\w^2+8w-4w-32=0\\w(w+8)-4(w+8)=0\\(w-4)(w+8)=0\\w-4=0\:or\:w+8=0\\w=4\:or\:w=-8

Since width of rectangle can't be negative, so rejecting w=-8

Therefore, the width of rectangle w = 4 units

4 0
3 years ago
Shade the grid to represent the ratio then find the missing number
Montano1993 [528]
Explanation:
1). 50 x 2 = 100 ; 23 x 2 = 46 (shade 46 squares)
2). 20 x 5 = 100 ; 11 x 5 = 55 (shade 55 squares)
8 0
3 years ago
A bicycle has a listed price of $577.98 before tax. If the sales tax rate is 6.5%, find the total cost of the bicycle with sales
Salsk061 [2.6K]

Answer:

$615.54

Step-by-step explanation:

Step 1

Write your problem.

577.98 x 6.5% = ?

Step 2

Convert the % to a decimal:

6.5% to 0.065

Step 3

Rewrite the problem with decimal replacing the percentage.

Now the problem looks like this:

577.98 x 0.065 = 37.56

This problem gives the amount of the tax.

Step 4

Add the original price with the tax amount:

577.98 + 37.56 = $615.54 (total cost)

3 0
3 years ago
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