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Mnenie [13.5K]
2 years ago
12

Complete the following proof.

Mathematics
2 answers:
-Dominant- [34]2 years ago
6 0

Answer: Reasons for each statement are 2. Combining like terms

3.Subtracted 18 from both the sides

4.Divided by 2 on the both sides

5. Reflexive property


Step-by-step explanation:

Given: 200 = 4m + 18 – 2m

Statements  

1. 200 = 4m + 18 – 2m  [given]

2. 200 = 2m + 18  [combining like terms]

3. 182 = 2m   [Subtracted 18 from both the sides]

4. 91 = m  [Divided by 2 on the both sides]

5. m = 91  [by using reflexive property]


Readme [11.4K]2 years ago
4 0
2. Combine like terms
3.subtraction property of equality
4.division property of equality
5. Reflexive property
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Solve for x: three fourths times x plus five fourths equals four times x
Nostrana [21]

Answer:

x equals  five thirteenths

Step-by-step explanation:

To solve this, we will follow the steps below;

\frac{3}{4} ×  x  + \frac{5}{4}  =  4 × x

\frac{3x}{4} + \frac{5}{4}   = 4x

\frac{3x + 5}{4} =  4x

Multiply both-side of the equation by 4

\frac{3x + 5}{4} × 4=  4x × 4

On the left-hand side of the equation 4 will cancel-out 4, thus the equation becomes;

3x + 5 = 16x

subtract 3x from both-side of the equation

16x - 3x = 5

13x = 5

Divide both-side of the equation by 13

\frac{13x}{13} = \frac{5}{13}

(On the left-hand side of the equation 13 at the numerator will cancel-out 13 at the denominator while on the right-hand side of the equation 5 will be divided by 13)

x = \frac{5}{13}

x equals  five thirteenths

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3 years ago
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vladimir2022 [97]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
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What are the ratios for sin A and cos A? The triangle is not drawn to scale.
dalvyx [7]

Answer:

SinA = \frac{84}{85}  and  CosA=\frac{13}{85}

Step-by-step explanation:

The ratios of sine and cos are defined as follows:

Sin A = \frac{Opposite}{Hypotenuse} , and

CosA = \frac{Adjacent}{Hypotenuse}

The hypotenuse is always the side opposite of the 90 degree angle (for the given triangle, the hypotenuse is 85)

Since we are looking at the angle A, the opposite side with respect to A would be the side length of 84. That leaves the side 13 as the adjacent side.

Thus, we can now write:

Sin A = \frac{Opposite}{Hypotenuse}\\SinA = \frac{84}{85}

CosA = \frac{Adjacent}{Hypotenuse}\\CosA=\frac{13}{85}

The correct answer is  the first answer choice.

7 0
3 years ago
The store employees held a frog leaping contest. Frog #1 jumped a distance of 8 feet 3 inches. Frog #2 jumped 2 yards 36 inches.
Alexandra [31]

Answer:

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Frog 2 - 2 yards 36 inches

36 inches x (1 foot /12 inches) x (1 yard / 3 feet) = 1 Yard

So Frog 2 = 3 yards

Frog 2 won

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<u>So Frog 2 won by 9 inches</u>

8 0
3 years ago
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malfutka [58]

Answer:

B. The square root of 34 is an irrational number.

Step-by-step explanation:

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5 0
2 years ago
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