What is th smallest number that can be made using these digits 4278

Answers

Answer 1

Answer: the smallest number would be 2,478

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Eighteen is what percent of 24? To solve this problem, you use the basic percent equation. p x 18 = 24a. True
b. False

Answers

False

Should be p×24=18

The model represents x2 – 9x + 14.Which is a factor of x2 – 9x + 14?

A. x – 9
B. x – 2
C. x + 5
D. x + 7

Answers

Factorize the quadratic trinomial $x^2 - 9x + 14$ by the rule:

$ax^2+bx+c=a(x-x_1)(x-x_2), \text{ where } x_1,\ x_2 \text{ are its roots. }$

1. Find the roots:

2. Factorize the polynomial:

$x^2 - 9x + 14=(x-2)(x-7).$

3. Only factor x-2 is given in options, then the correct choice is B.

The factor of the given polynomial expression is (x - 2). So, option B.

Using variables and coefficients, polynomials are algebraic expressions. The word indeterminates is sometimes used to describe variables.

For polynomial expressions, addition, subtraction, multiplication, and positive integer exponents are all mathematical operations that are possible, however division by variables is not one of them.

The given polynomial expression is,

x²- 9x + 14

So, we can write that,

(x - a) (x - b) = x²- 9x + 14

So, we can write two equations,

ab = 14

a + b = 9

Therefore, we can say that,

a = 2 and b = 7

Therefore, the factors of the given polynomial expression is,

(x - 2) (x - 7) = x²- 9x + 14

To learn more about polynomial expression, click:

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How many solutions exists for the given equation?

Answers

Answer:

One solution

Step-by-step explanation:

1/2(x+12)=4x-1

1/2x+6=4x-1

x=2

Which phrases correctly describe the location of –34 on the number line?

Choose exactly two answers that are correct. A. to the right of –21 B. to the left of –63 C. to the left of –28 D. to the right of –35

Answers

A is wrong because -34 would be on the left of -21.

B is also wrong because -34 would be to the right of -63.

C is correct because -34 is to the left of -28

D is also correct because -34 is to the right of -35.

A train travels 25 miles in 20 minutes. What is the train speed in miles per hour?

Answers

60 min = 1 hour

1st we need to know how many times 20 goes in 60 so we will divide.

60 ÷ 20 = 3

Now we will multiply to find the trains speed in miles per hour.

3 × 25 = 75

SO, the train travels 75 miles per hour.

Hope I helped ya!!

Find the inverse of f (x)=log(subscript 4) x

Answers

$f(x)=\log_4x\n\ny=\log_4x\nx=4^y\nf^(-1)(x)=4^x$

$f\left( x \right) =\log _( 4 ){ x } \n \n \log _( 4 ){ x } =y\n \n { 4 }^( y )=x\n \n \therefore \quad { f }^( -1 )\left( x \right) ={ 4 }^( x )$

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