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madam [21]
3 years ago
11

Need help ASAP! Triangles ABC and DEF are similar. Find x?

Mathematics
2 answers:
Vadim26 [7]3 years ago
7 0

Answer:

D. 8.57

Step-by-step explanation:

Okay I'm not sure if I do these problems correctly, but I always get the right answer.

7/11 = 0.6363...

15/0.6363... = 23.5714...

23.5714...- 15 = 8.57

Vesna [10]3 years ago
7 0
Hey there, the answer is D (:
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You use a wedge that has a width of 2 cm and a slope length of 5.5 cm. What is the mechanical advantage of this wedge?
PIT_PIT [208]

Answer:

Option B. 2.75

Step-by-step explanation:

It has been given in the question that a wedge has a width of 2 cm and a slope of 5.5 cm.We have to calculate the mechanical advantage of the given wedge.

We know the formula to calculate the mechanical advantage of the wedge

Mechanical advantage = Length of slope/Thickness of the widest end

                                      = 5.5÷2 = 2.75

Therefore the answer is option B. 2.75


6 0
3 years ago
Read 2 more answers
Write an equation for the cubic polynomial function whose graph has zeroes at 2, 3, and 5.
TiliK225 [7]

we know that

For a polynomial, if x=a is a zero of the function, then (x−a) is a factor of the function. The term multiplicity, refers to the number of times that its associated factor appears in the polynomial.

So

In this problem

If the cubic polynomial function has zeroes at 2, 3, and 5

then

the factors are

(x-2)\\ (x-3)\\ (x-5)

Part a) Can any of the roots have multiplicity?

The answer is No

If a cubic polynomial function has three different zeroes

then

the multiplicity of each factor is one

For instance, the cubic polynomial function has the zeroes

x=2\\ x=3\\ x=5

each occurring once.

Part b) How can you find a function that has these roots?

To find the cubic polynomial function multiply the factors and equate to zero

so

(x-2)*(x-3)*(x-5)=0\\ (x^{2} -3x-2x+6)*(x-5)=0\\ (x^{2} -5x+6)*(x-5)=0\\ x^{3} -5x^{2} -5x^{2} +25x+6x-30=0\\ x^{3}-10x^{2} +31x-30=0

therefore

the answer Part b) is

the cubic polynomial function is equal to

x^{3}-10x^{2} +31x-30=0

7 0
2 years ago
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Please help I do not know how to do right answer only.
lorasvet [3.4K]
Answer: X=100
Good luck
8 0
3 years ago
Patti has two glue sticks that are partially used . One has 1/5 left and one has 3/10 left. Which glue stick has more glue
leonid [27]

Answer:

The second glue stick

Step-by-step explanation:

5 0
3 years ago
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Theo purchased an are rug for his dorm room. The dimensions of the rug are 8 feet by 9 feet. What is the area of Theo's rug?
Feliz [49]

Answer:  

72 feet

Step-by-step explanation:

8 feet by 9 feet well first you have to notice that the word by means to multiply so you have to multiply 8x9

so

8x9=72feet of the area

6 0
3 years ago
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