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3 years ago

HELP PLEASE 15 POINTS!!!!!!!

Mathematics

1 answer:

nevsk [136]3 years ago

5 0

1. Start the line of the Y-Intercept of 35 Then place another point on Points (2,36)
2. Put your first point on the Y-intercept of 7 and then another point on the X-intercept of -7
3. Place a point on Y-Intercept -5 then place another point on (3,-3)

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How do you find the width of a rectangle

shepuryov [24]

W= P / 2 - L

Width= Perimeter over 2 subtracted by length

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3 years ago

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James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round

Yuki888 [10]

The percentage error is 23%

Explanation:

The estimated total cost of the groceries = $50

The actual cost of the groceries = $65

To find the error value, we need to subtract the value of actual cost and total cost of the groceries.

Thus,

error value = actual cost - total cost

error value $= 65-50=15$

Hence, error value = $15

The formula to determine the percent error is given by

$Percent error $=\left(\frac{\text { error value}}{\text {actual value}}\right) \times 100$$

Substituting the values in the formula, we get,

$\begin{aligned} \text { Percent error } &=\left(\frac{15}{65}\right) \times 100 \\ &=0.231 \times 100 \\ &=23.1 \end{aligned}$

Rounding off the value, we have, 23%

Thus, the percentage error is 23%

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3 years ago

The manager of the toy store at the mall is curious about why nobody is buying the new robot toys. He's very annoyed because he

marin [14]

Answer: B

Step-by-step explanation: I believe it's B because if you're able to get the opinions of others about your store. You'll be able to see whats the customers are more interested in, so therefore be able to supply your store with stuff people are more intrigued in. (Let me know if I'm wrong, have a good day)

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3 years ago

Solve the following equation algebraically. Represent your answer in simplest radical form, if necessary.

maria [59]

$x^2 + x = 30\\\\x^2 + x - 30=0\\\\x^2+6x-5x-30=0\\\\x(x+6)-5(x+6)=0\\\\(x+6)(x-5)=0\\\\x+6=0\ \ \ \ \ \ or\ \ \ \ \ \ x-5=0\\\\x=-6\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=5$

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3 years ago

Find a so that the point (-1,5) is on the graph of f(x)=ax2+1

sasho [114]

Step-by-step explanation:

to solve for a,

f(-1) = 5

a(-1)^2 + 1 = 5

a + 1 = 5, so a=4

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3 years ago