Mathematics High School

Solve:
12 + 5 + 3’2 x 10 - 5 =
(12 + 5) + 3'2 x (10 – 5) =

Answers

Answer 1

Answer:

1) 102

2) 62

Step-by-step explanation:

12 + 5 + 3² × 10 - 5

12 + 5 + 9 × 10 - 5

12 + 5 + 90 - 5

17 + 90 - 5

107 - 5

102

(12+5) + 3² × (10 - 5)

(17) + 9 × (5)

17 + 45

Answer 2

Hi :)

12 + 5 + 3^2 x 10 - 5 = 102

(12 + 5)+ 3^2 x (10 - 5) = 62

12 + 5 + 3^2 x 10 - 5

Add 12 and 5 to get 17
17 + 3^2 × 10−5

Calculate 3 to the power of 2 and get 9
17 + 9 × 10 − 5

Multiply 9 and 10 to get 90
17 + 90 − 5

Add 17 and 90 to get 107
107−5

Subtract 5 from 107 to get 102

(12 + 5)+ 3^2 x (10 - 5)

Add 12 and 5 to get 17
17 + 3^2 x (10 - 5)

Calculate 3 to the power of 2 and get 9
17 + 9 x (10−5)

Subtract 5 from 10 to get 5
17+ 9 × 5

Multiply 9 and 5 to get 45
17+45

Add 17 and 45 to get 62.

Hope this helps :)

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Answer:

The slope is m= -16/15

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Step-by-step explanation:

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Step-by-step explanation:

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The equation for line w is y = 2x – 3. Line d contains the point (4, -1) and is parallel to line w. Which equation
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Answer:

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Step-by-step explanation:

y = 2x - 3

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i.e line w and d are parallel.

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Step-by-step explanation:

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Answers

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Answers

Answer:

114

Step-by-step explanation:

Ratio of red marbles to black marbles is 19:1. (Data from 3rd sentence)

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20 units= 120 (Data from 1st sentence)

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Answers

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Step-by-step explanation:

In his motorboat, Bill Ruhberg travels upstream at top speed to his favorite fishing spot, a distance of 264 mi, in 6 hr. Returning, he finds that the trip downstream, still at top speed, takes only 5.5 hr. Find the rate of Bill's boat and the speed of the current. Let x = the rate of the boat in still water and y = the rate of the current.

Answers

Answer:

The values are [tex]x = 46 miles /hr [/tex]

[tex]y = 4 \ miles / hr[/tex]

Step-by-step explanation:

From the question we are told that

The distance covered is d = 264 miles

The time taken is [tex]t_1 = 6 hours[/tex]

The time taken for the return trip is [tex]t_2 = 5.5 \ hours[/tex]

Generally during the trip toward fishing spot , the velocity is mathematically represented as

[tex]v_t = \frac{d}{t_1 } = x - y[/tex]

=> [tex]v_t = \frac{264}{6 } = x - y[/tex]

=> [tex]x - y = 44 \cdots 1 [/tex]

Generally during the return trip , the velocity is mathematically represented as

[tex]v_r = \frac{d}{t_2} = x+ y[/tex]

=> [tex]v_r = \frac{264}{5.5} = x+ y[/tex]

=> [tex]48 = x+ y\cdots 2[/tex]

add equation 1 and 2

[tex]2x = 92[/tex]

=> [tex]x = 46 miles /hr [/tex]

substituting this into equation 1

[tex] 46 - y = 44 \cdots 1 [/tex]

=> [tex]y = 4 \ miles / hr[/tex]

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

The equation that shows a proportional relationship is y = 7x.

How to find the equation that is proportional?

Two variables have a proportional relationship if all the ratios of the variables are equivalent.

In other words, a proportional relationship is one in which two quantities vary directly with each other.

Therefore, a proportional relationship can be represented as y = kx.

where

k = constant of proportionalitythe variables are x and y

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Answer:

y = 7x

Step-by-step explanation:

the proportional relationship is y = 7x as 7 is the constant of proportionality. y and x are the variables.

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Answers

Answer:

any real number except 5

any real number

Step-by-step explanation:

your welcome

The correct answer is:

⇒ Any real number for x except 5, and any real number for y.

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A function is a relation in which each element of the domain, or x-value, is mapped to one element of the range, or y-value. This means that no x can be mapped to more than one y, so if we have the same number used twice for x, we do not have a function.

Now, For given function is,

This means that 5 cannot be used for x in the other ordered pair.

Since there is no restriction on y in order to be a function, y can be any real number.

Thus, The correct answer is:

⇒ Any real number for x except 5, and any real number for y.

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Step-by-step explanation:

Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

Step 1:

y = mx + b Slope Intercept Form

Step 2:

6x - 5y = - 40 Equation

Step 3:

- 5y = - 6x - 40 Subtract 6x on both sides

Step 4:

y = 5/6x - 80 Divide 5 on both sides

Step 5:

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Answer:

Slope = - 5/6

Hope This Helps :)

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Answers

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Answers

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Solve: 12 + 5 + 3’2 x 10 - 5 = (12 + 5) + 3'2 x (10 – 5) =

Answers

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Solve:
12 + 5 + 3’2 x 10 - 5 =
(12 + 5) + 3'2 x (10 – 5) =