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Goshia [24]
1 year ago
13

PLEASE HURRY ASAP!

Mathematics
1 answer:
cestrela7 [59]1 year ago
4 0

Using conversions of mixed numbers, the numbers that are equivalent to 2 and 7/9 are given by:

25/9 and 2.777.

<h3>What are the conversions of the mixed number 2 and 7/9?</h3>

To convert to decimal, we just add the integer part with the fractional part converted to decimal(dividing the numerator by the denominator), hence:

2 and 7/9 = 2 + 7/9 = 2.7777.

To convert to fraction, the procedure is similar, we just apply the least common multiple to add the fraction, as follows:

2 + \frac{7}{9} = \frac{2 \times 9 + 7}{9} = \frac{25}{9}

Hence the numbers that are equivalent to 2 and 7/9 are given by:

25/9 and 2.777.

More can be learned about conversions of mixed numbers at brainly.com/question/21610929

#SPJ1

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The Mulraney's home has 2,550 square feet of living space. A contractor is building an addition to their home that will increase
IceJOKER [234]
You equation will be
 2550 + (2550 X 8%)
2550 + (2550 X 0.08)
2550 + 204
= 2754


8 0
3 years ago
Read 2 more answers
Question 1- explain how Sheldon immediately knew howard was incorrect?
Dmitrij [34]

Answer:

Part 1) In the procedure

Part 2) In the procedure

Step-by-step explanation:

Part 1) Observing the graph

The roots are x=-1/2 and x=4

Remember that, the roots are the x-values when the value of y is equal to zero (the x-intercepts)

That's why Sheldon immediately realizes Howard's solution is incorrect

Part 2) we have

y=2x^{2}-7x-4

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

equate the equation to zero

2x^{2}-7x-4=0  

so

a=2\\b=-7\\c=-4

substitute

x=\frac{-(-7)(+/-)\sqrt{-7^{2}-4(2)(-4)}} {2(2)}

x=\frac{7(+/-)\sqrt{49+32}} {4}

Howard's error is in this step, is wrong with the sign of the number 7, is positive instead of negative

x=\frac{7(+/-)\sqrt{81}}{4}

x=\frac{7(+/-)9}{4}

x=\frac{7(+)9}{4}=4

x=\frac{7(-)9}{4}=-1/2

4 0
3 years ago
The length of a rectangular kitchen floor is 8 feet longer than w, its width. Which expression represents the area of the floor?
Nookie1986 [14]

Answer:

see below

Step-by-step explanation:

We can write the length as w + 8 and since area is length * width our answer is w * (w + 8) = w² + 8w.

7 0
3 years ago
A fireperson needs to use a ladder of 25 feet in length to rescue a cat that has become
svp [43]

Answer:

A, because the cat is only 15 feet in the air and the TREE is 50 feet

5 0
2 years ago
Find k. ..................​
Nonamiya [84]

Answer:

k = -10

Explanation:

f(x) = 4x³ - 3kx² + 44x - 30

The divisor is:

  • (x - 2)

Set divisor to zero:

  • (x - 2) = 0
  • x = 2

Insert this into equation.

⇒ 4(2)³ - 3k(2)² + 44(2) - 30 = 210

⇒ 32 - 12k + 88 - 30 = 210

⇒ -12k + 90 = 210

⇒ -12k = 210 - 90

⇒ -12k = 120

⇒ k = 120/-12

⇒ k = -10

6 0
2 years ago
Read 2 more answers
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