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Scorpion4ik [409]
3 years ago
8

50% of a number is x. What is 100% of the number? Assume x > 0.

Mathematics
1 answer:
raketka [301]3 years ago
7 0

Answer:

2x > 0

Step-by-step explanation:

\frac{50}{100} :\frac{x}{y}

50 × y = x × 100

50y = 100x

50y ÷ 50 = 100x ÷ 50

y = 2x

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5 and 1/7 * 8 <br><br>HELP ME PLZ​
il63 [147K]

Answer:

41 1/7

Step-by-step explanation:

5 1/7 x 8

Convert 5 1/7 to improper fraction

5 1/7 = 36/7

Multiply.

36  x  8

----      --

7   x    1

288/7

Simplify.

41 1/7

---

hope it helps

8 0
3 years ago
.<br> The angle measures of a triangle are shown in the diagram.<br> What is the value of x?
vodka [1.7K]

Answer:

ok the second one the answer is 66

Step-by-step explanation:

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6 0
3 years ago
Approximate value of arccos(0.36)
Alchen [17]
In degrees,

arccos(0.36) = 68.89980398 ≈ 68.9° 

In radians,

arccos(0.36) = 1.202528433 ≈ 1.20 
7 0
3 years ago
Solve 900•6 in steps
77julia77 [94]

Answer:5400

Step-by-step explanation:9•6= 54

Add both zeros from 900 at the end and it’s 5400

7 0
2 years ago
Read 2 more answers
MAT 171
steposvetlana [31]

Using the Factor Theorem, the polynomials are given as follows:

1. P(x) = x^5 + 2x^4 - 7x^3 + x^2

2. P(x) = 0.8(x^4 - 4x^3 - 16x^2 + 64x)

3. P(x) = -0.1(x³ - 4x² - 3x + 18)

<h3>What is the Factor Theorem?</h3>

The Factor Theorem states that a polynomial function with roots x_1, x_2, \codts, x_n is given by:

f(x) = a(x - x_1)(x - x_2) \cdots (x - x_n)

In which a is the leading coefficient.

Item a:

The parameters are:

a = 1, x_1 = x_2 = 1, x_3 = x_4 = 0, x_5 = -4

Hence the equation is:

P(x) = (x - 1)²x²(x + 4)

P(x) = (x² - 2x + 1)(x + 4)x²

P(x) = (x³ + 2x² - 7x + 1)x²

P(x) = x^5 + 2x^4 - 7x^3 + x^2

Item b:

The roots are:

x_1 = x_2 = 4, x_3 = 0, x_4 = -4

Hence:

P(x) = a(x - 4)²x(x + 4)

P(x) = a(x² - 16)x(x - 4)

P(x) = a(x³ - 16x)(x - 4)

P(x) = a(x^4 - 4x^3 - 16x^2 + 64x)

It passes through the point x = 5, P(x) = 36, hence:

45a = 36.

a = 4/5

a = 0.8

Hence:

P(x) = 0.8(x^4 - 4x^3 - 16x^2 + 64x)

Item 3:

The roots are:

x_1 = x_2 = 3, x_3 = -2

Hence:

P(x) = a(x - 3)²(x + 2)

P(x) = a(x² - 6x + 9)(x + 2)

P(x) = a(x³ - 4x² - 3x + 18)

For the y-intercept, x = 0, y = -1.8, hence:

18a = -1.8 -> a = -0.1

Thus the function is:

P(x) = -0.1(x³ - 4x² - 3x + 18)

More can be learned about the Factor Theorem at brainly.com/question/24380382

#SPJ1

5 0
2 years ago
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