What is the slope-intercept form of the function that contains the point (1, –2) and has a slope of –3?Y= __ x + __
Answers
Well, from the info given, you cannot automatically put it into slope intercept form. You have to put it into point slope form first and then convert it.
Point slope form looks like this: y - y1 = m(x - x1)
Now, with the info it looks like this: y - (-2) = -3(x - 1)
Now you distribute and change the - (-2) to +2 (because subtracting a negative is the same as adding a positive) and you get: y + 2 = -3x - 3
Now, you subtract 2 to get y by itself (we are converting now)
y = -3x - 5
Hope this helps!
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You sell pies at a farmers' market for $7.50 each. A group of 5 kids wants to pitch in equal1y to share one of your pies. How much will each of them need to pay to buy a whole pie together?
Answers
He can choose any one of 3 soups. For each of those . . .
He can choose any one of 4 salads. For each of those . . .
He can choose either one of 2 drinks.
Total possibilities = (3 x 3 x 4 x 2) = 72 different lunches.
Step 2: x = 30 − 5
Step 3: x = 25
Which statement best explains why Step 2 is incorrect in Mona's solution?
She did not add 5 to 30.
She did not divide 30 by 5.
She did not multiply 30 by 5.
She did not multiply 30 five times.
Answers
Answer:
Option 2nd is correct
She did not divide 30 by 5.
Step-by-step explanation:
As per the statement:
Mona solved an equation incorrectly, as shown below:
Step 1: 5x = 30
Step 2: x = 30 − 5
Step 3: x = 25
Step 2 is incorrect as she did not divide 30 by 5.
Correct steps for the equation are:
Step 1.
Step 2.
Step 3.
x = 6
Therefore, the statement which explains that Step 2 is incorrect in Mona's solution is, She did not divide 30 by 5.
Answers
you can prove this by showing that (4/5)x100%=80% (4/5=0.80)
i hope i help it
Equation Q: 8y + 7z = 1
Which of these is a possible step used in eliminating the y-term?
(y + z = 6) ⋅ −8
(y + z = 6) ⋅ 7
(8y + 7z = 1) ⋅ 7
(8y + 7z = 1) ⋅ 8
Answers
Answer:
Option B is the correct answer.
Step-by-step explanation:
For eliminating y term we need to make coefficients of y in both equations same.
Equation P: y + z = 6
Equation Q: 8y + 7z = 1
Coefficients of y in equation P = 1
Coefficients of y in equation Q = 7
So we need to multiply equation P with 7.
That is (y + z = 6) x 7
Option B is the correct answer.
the student used the same equation !!!!
y+z=6 |*(-8)
8y+7z=1 |*1
==>-8z+7z=-48+1
==>-z=-47
==>z=47
(1)==>y=-47+6
==>y=-41
Answers
Final answer:
In the scenario, a right triangle is formed with the board, the ground, and the wall. We use the Pythagorean theorem to find the height the board will reach up the wall and get the result as 8 feet.
Explanation:
This is a geometry problem where we need to determine the height the board will reach up the wall. This appears to be a right triangle since the board is leaning against the wall. The length of the board is the hypotenuse (10 feet), and the distance from the wall is one of the legs of the triangle (6 feet).
To find the height the board will reach up the wall, which is the other leg of the triangle, we can use the Pythagorean theorem: a² + b² = c² where a and b are the legs and c is the hypotenuse.
Substitute the given values to the formula: a² + 6² = 10²
Solving this equation gives: a² = 10² - 6²
Then, a² = 64
So, a = √64 = 8
Thus, the height the board will reach up the wall is 8 feet.
Learn more about the Pythagorean theorem here:
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