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Masteriza [31]
3 years ago
13

Is p= -1 a solution to the equation 6(p-4)-30p ?

Mathematics
1 answer:
kirill [66]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

6(-1-4)-30(-1) can be simplified into 6(-5)+30 which becomes -30+30, and then 0.

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What is the slope of the line
lesantik [10]

Answer:

Step-by-step explanation:

(0,2)  (1,0)

slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{0-2}{1-0}\\\\=\frac{-2}{1}\\\\=-2

7 0
3 years ago
Gianna bought 6.2 pounds of berries. She used 4.8 pounds of the berries to make a pie. What equation can be used to find how man
nirvana33 [79]
The answer is C. 4.8+b=6.2

This is because the total amount of berries she bought was 6.2 pounds

She used 4.8 pounds of berries and is left with b amount of berries

If you add the amount of berries used (4.8) to the amount left (b) you will get 6.2 pounds of berries

So the equation you can use to find the amount of berries left is 4.8 + b = 6.2
7 0
2 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!!
Elan Coil [88]

Answer:

b

Step-by-step explanation:

count two up, and 5 to the right

8 0
3 years ago
Employees at a clothing store recieve 20% discounts on what they purchase at that store. How much will an employer save on a $45
mamaluj [8]
Easiest way to work it out is to divide by ten, that gives 10% of your original number. Multiply that by two to get 20% and minus that from the original number to get the discount.
450/10 = 45 which is 10% of 450.
20% of 450= 10% x 2 or 45 x 2
therefor 20% of 450 is 90.
450-90 = the discount the shoppers recieve.

4 0
3 years ago
Show whether or not y=x+3 is tangential to the curve y^2=x​
wolverine [178]

The line y = x + 3 has slope 1, so we look for points on the curve where the tangent line, whose slope is dy/dx, is equal to 1.

y² = x

Take the derivative of both sides with respect to x, assuming y = y(x) :

2y dy/dx = 1

dy/dx = 1/(2y)

Solve for y when dy/dx = 1 :

1 = 1/(2y)

2y = 1

y = 1/2

When y = 1/2, we have x = y² = (1/2)² = 1/4. However, for the given line, when y = 1/2, we have x = y - 3 = 1/2 - 3 = -5/2.

This means the line y = x + 3 is not a tangent to the curve y² = x. In fact, the line never even touches y² = x :

x = y²   ⇒   y = y² + 3   ⇒   y² - y + 3 = 0

has no real solution for y.

3 0
2 years ago
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