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Delicious77 [7]
3 years ago
15

Helpp pls Find the slope, y-intercept, and the equation.

Mathematics
1 answer:
never [62]3 years ago
4 0

Answer:

  1. Take two points
  2. 64-18/97-29=23/34
  3. Now plug that into the equation to find the equation
  4. 97=23/34(29) +b
  5. B is the y intercept
  6. B= 77.38
  7. Hence the equation is y= 23/34(x) + 77.38

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The sum of two numbers is 33. Their difference is 23. Find the numbers.
Ipatiy [6.2K]

Answer: The numbers are 28 and 5

Step-by-step explanation: The question gives a set of clues. In the first instance, the addition of two numbers equals 33. Let us assume the two numbers are A and B. What that means is that

A + B = 33.

We shall call this equation 1.

The other clue is given as “their difference is 23.” This can be expressed as

A - B = 23.

We shall call this equation 2.

Now we have a pair of simultaneous equations as follows

A + B = 33 —————-(1)

A - B = 23 —————-(2)

We shall use the substitution method

From equation (1), if we make A the subject of the equation we shall move B to the other side and we’ll have

A = 33 - B

Substitute for the value of A in equation (2)

A - B = 23 now becomes

(33 - B) - B = 23

33 - B - B = 23

33 - 2B = 23

By collecting like terms we now have 33 - 23 = 2B

(Remember that when a positive value crosses to the other side of an equation, it becomes negative, and vice versa)

33 - 23 = 2B

10 = 2B

Divide both sides of the equation by 2

5 = B

If we calculate B as 5

We can substitute for this value into equation 1, which is

A + B = 33

A + 5 = 33

Subtract 5 from both sides of the equation

A + 5 - 5 = 33 - 5

A = 28.

Therefore the numbers are 28 and 5.

8 0
3 years ago
Find the product of 4.42 and 3.9
Damm [24]

Answer:

17.238

Step-by-step explanation:

The product is just the result once multiplying, so 4.42 multiplied by 3.9 is 17.238.

6 0
3 years ago
Read 2 more answers
The area of a triangle is 30 square feet. If<br> the base is 4 feet, then what is the height?
ExtremeBDS [4]
Height=15

Explanation:
Area of a triangle= 1/2base x height
Plug in information
30=1/2 x 4 x h
Solve 1/2 x 4 = 2
30= 2 x h
Divide both side by two
30/2=2 x h/2
Solve:
15= h
6 0
3 years ago
1. Determine the value of y, if x is 5 for the function y = x2 -9.
user100 [1]
Sub in 5 for x
y=(5)2 -9
y= 10-9
y= 1
4 0
3 years ago
In a group of 343 children, 104 have a swing set, 126 have a trampoline and 42 have a swing set and trampoline. How many have a
Tresset [83]

Answer:

None of the above

4 0
3 years ago
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