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stich3 [128]
2 years ago
8

Twice the difference of a number and 1 is 4 more than that number. Find the numbers using Polyas 4 step

Mathematics
1 answer:
const2013 [10]2 years ago
4 0

Answer:

6

Step-by-step explanation:

2 times the difference of a number and 1 = 4 plus that number

In other to express the word problem Mathematically ; let the number = x

2(x - 1) = 4 + x

Expand

2x - 2 = 4 + x

Collect like terms

2x - x = 4 + 2

x = 6

Hence, the number is 6

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What is the slope of the line represented by the equation y = 4/5 x -3? A-1 B-4/5 C4/5 D3
Cerrena [4.2K]

Option C

<u>ANSWER: </u>

For the given equation slope is \frac{4}{5} so the correct option is c.

<u>SOLUTION: </u>

Given, line equation is $y=\frac{4}{5} x-3$

We need to find the slope of the given equation.

Above given equation is in the form of slope intercept form, i.e. y = mx + c

Where m is the slope and c is the intercept made on axis by this line.

By comparing the given equation and the general form, we can conclude that,  m = \frac{4}{5} and c = -3

hence, for the given equation slope is \frac{4}{5}. so the correct option is c.

8 0
3 years ago
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.............................&gt;
Natalka [10]

Answer:

70°

Step-by-step explanation:

because angle AMX and YMB are vertically opposite its equal

3 0
3 years ago
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What is 4.09 less than 5.6 ??
Gnesinka [82]

Answer: -1.51, or it could be 4.09 < 5.6 (Im sorry if I get it wrong I just wanted to help)

Step-by-step explanation:

3 0
2 years ago
The area of a rectangle is 5/6 sq foot. The width is 2/3 foot. The length of the rectangle is how many feet
max2010maxim [7]

Answer:

The answer is

\frac{5}{4}  \\

Step-by-step explanation:

Area of a rectangle = length × width

Since we are finding the length

<h3>length =  \frac{area}{width}  \\</h3>

From the question

area = 5/6 sq. feet

width = 2/3 foot

Substitute the values into the above formula and solve for the length

The length is

length =  \frac{5}{6}  \div  \frac{2}{3}  \\  =  \frac{5}{6}  \times  \frac{3}{2}  \\  =  \frac{5}{2}  \times  \frac{1}{2}  \\  =  \frac{5}{4}

We have the final answer as

\frac{5}{4}  \\

Hope this helps you

7 0
3 years ago
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Are the expressions 12a + (6+3a) and 3(5a + 2) equivalent show your work and explain
bezimeni [28]
12a + 6 + 3a = 15a + 2
15a = 15a - 4
0 = - 4
8 0
3 years ago
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