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Katena32 [7]
3 years ago
6

Evaluate the expression when x = -4.5(x – 6) + 3x – 2​

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

-64

Step-by-step explanation:

5(x – 6) + 3x – 2

Distribute

5x - 30 +3x -2

Combine like terms

8x -32

Let x = -4

8*-4 -32

-32 -32

-64

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d

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Find the circumference of the given circle. Use 3.14 for pi, and round your answer to the nearest tenth.
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Answer:

59

Step-by-step explanation:

Because multiply 18.8 and 3.14 and get a number with a decimal so round up and get 59 :)

7 0
3 years ago
Question 6 (1 point) (01.03 LC) What is the value of 5 to the power of 4 over 5 to the power of 6? (1 point) a 1 over 25 b 1 ove
Vlad [161]

Answer:

a 1 over 25

Step-by-step explanation:

Problem Statement:

     What is the value of  \frac{5^{4} }{5 ^{6} } ?

To solve this problem, we must familiarize ourselves with the concept of exponents and rules that guides them.

Exponents are used by scientists to report higher orders of a number.

Such large and often recurring expression is usually made up of a base and an exponent value.

The exponent value is the power of the base;   for example, 4³ has 4 as its base and 3 as the exponent.

Several rules guides solving an exponent, to this problem, the most applicable one is :

                            \frac{x^{a} }{x^{b} }  =  x^{(a-b)}

                           \frac{5^{4} }{5 ^{6} }   =  5^{4-6}  

                                 = 5^{-2}

                                 = \frac{1}{25}                                  

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7 0
2 years ago
How much is 45+14567
alisha [4.7K]
14612 is the answer to your math problem. This is so easy. just use a calculator.
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15 POINTS!! PLEASE HELP ASAP!!
insens350 [35]

Answer:

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Number of minutes Garret takes per kilometer = 4 minutes.

Step-by-step explanation:

1. It takes 4 minutes for Garret to go a kilometer. Then

Number of minutes Garret takes per kilometer = 4 minutes.

2. Suppose the variable k is the number of kilometers Garret has already biked.

3. Garret is partway through a 20-minute bike ride. It takes 4 minutes for him to go a kilometer. Then

Total number of kilometers in the ride is

20\div 4=5\ km

4. Suppose the variable k is the number of kilometers Garret has already biked. Then 5-k km is the number of kilometers Garret left to ride.

6 0
3 years ago
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