3 years ago

PLEASE HELP

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

Answer:

y=(x-1)+4

Step-by-step explanation:

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Arrange the steps in the correct order to solve the equation 3 (2^2t-5 )- 4=10

liberstina [14]

The equation to be solved is: 3 [ 2 ^ (2t - 5) ] - 4 = 10

The steps are:

1) transpose - 4=> 3 [ 2^ (2t - 5) ] = 10 + 4

2) Combine like terms => 3 [2^ (2t - 5) ] = 14

3) Divide both terms by 3 => 2^ (2t - 5) = 14 / 3

4) Take logarithms of both sides => (2t - 5) log (2) = log (14/3)

5) Divide both sides by log (2) =>

                log (14/3)
2t - 5 = -------------------
                 log (2)

6) transpose - 5+>

                log (14/3)
2t = ------------------- + 5 = 2.22 + 5
                 log (2)

2t = 7.22

7) divide both sides by 2 => t = 7.22 / 2 = 3.61

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3 years ago

Read 2 more answers

(JUSTIFY)The diameter of a wheel is 15 inches. How far would your hand move in one full turn of the wheel if you do not let go o

Elanso [62]

So,

The circumference of a circle is $2 \pi r, or \ \pi d, where \ d \ is \ the \ diameter.$

Substitute 15 for d
$15(3.14)$

47.1
47

Your hand would move 47 inches.

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3 years ago

Mom wants to make 5 lbs of the sugar syrup. How much water and how much sugar does he need to make 20% syrup?

Wittaler [7]

Answer:

Let x pound of the sugar to make 20% syrup.

As per the statement:

Mom wants to make 5 Ibs of the sugar syrup.

We have to find how much water and sugar does she need to make 20% syrup.

By definition of proportion; we have

$\frac{x}{5} = \frac{20}{100}$