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Elodia [21]
3 years ago
11

The school band is selling candy to raise $1,800.00 to pay for their trip to a band festival. The band earns $1.50 from every bo

x of candy sold. Kayla solved the inequality 150>1,800 to find the number of boxes the band must sell to meet their goal. She graphed her solution on a number line and interpreted the solution to mean the band will meet their goal if they sell fewer than 12 boxes.
What errors did she make? Check all that apply.
She used the wrong coefficient for x in her inequality.
She should have used the less than or equal to symbol instead of the greater than or equal to symbol.
She interpreted the graph incorrectly.
She graphed a solution set that does not match her inequality.
The graph should have an open circle at 12.
Mathematics
2 answers:
notka56 [123]3 years ago
7 0

Answer: The answers are

A - She used the wrong coefficient for X in her Inequality.

B- NO

C- She interpreted the graph incorrectly.

D-NO

Step-by-step explanation:

Alexus [3.1K]3 years ago
6 0

1.50*12 = $18

18 < 1800 so that is not true, she made a mistake.


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7x-3y=-12. Name 2 possible answers for (x,y)
anzhelika [568]

Answer:

x = (-12/7 , 0)

y= (0,4)

Step-by-step explanation:

Plug y=0 into the equation and solve the resulting equation 7x=−12 for x

7x = -12

/7      /7

x = -12/7     and y =0

Plug x=0 into the equation and solve the resulting equation −3y=−12 for y

-3y = -12

/-3     -3

Y = 4        and X = 0

6 0
2 years ago
Sold the equation. Round to the nearest hundredth. <br><br>17 · <img src="https://tex.z-dn.net/?f=1.8%5E%7B-x%2B7%7D%20%3D%205"
svetlana [45]

Answer:

Final answer is approx x=4.26.

Step-by-step explanation:

Given equation is 1.8^{-x+7} = 5

Now we need to solve equation 1.8^{-x+7} = 5 and round to the nearest hundredth.

1.8^{-x+7} = 5

\log(1.8^{-x+7}) = \log(5)

(-x+7)\log(1.8) = \log(5)

(-x+7) = \frac{\log(5)}{\log(1.8)}

(-x+7) = \frac{0.698970004336}{0.255272505103}

-x+7 = 2.73813274192

-x = 2.73813274192-7

-x =−4.26186725808

x =4.26186725808

Round to the nearest hundredth.

Hence final answer is approx x=4.26.

4 0
3 years ago
What are the coordinates of the endpoints of the mid segment of triangle ABC that is parallel to line AB?
MrMuchimi

Answer:

(4.5,4)  and  (4.5,6.5)

Step-by-step explanation:

we have the coordinates

A(2,7),B(2,2),C(7,6)

we know that

The mid segment of triangle ABC that is parallel to line AB is located between the mid point AC and the mid point BC

The formula to calculate the midpoint between two points is equal to

(\frac{x1+x2}{2},\frac{y1+y2}{2})

step 1

Find the mid point AC

we have

A(2,7),C(7,6)

substitute in the formula

(\frac{2+7}{2},\frac{7+6}{2})

(4.5,6.5)

step 2

Find the mid point BC

we have

B(2,2),C(7,6)

substitute in the formula

(\frac{2+7}{2},\frac{2+6}{2})

(4.5,4)

therefore

The endpoints of the mid segment of triangle ABC that is parallel to line AB are (4.5,4)  and  (4.5,6.5)

8 0
3 years ago
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attashe74 [19]

Answer:

Each time you draw, there is a 57.143% chance it will be blue, and a 42.857% chance it will be red.

8 0
3 years ago
In a class 28 of students, 5 are female and 19 have an A in the class. There are 2 students who are female and have an A in the
telo118 [61]

Step-by-step explanation:

Of the 28 students, 5 are female.  So the probability is 5/28.

5 0
3 years ago
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