Marking as Brainiest!!!!!

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Answer 1

Answer:

Answer:

Step-by-step explanation:

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Jillian is selling boxes of cookies to raise money for her basketball team. The 10 oz. box costs $3.50, while the 16 oz. box costs $5.00. At the end of one week, she collected $97.50, selling a total of 24 boxes. The system of equations that models her sales is below. x+ y= 24 3.50x + 5.00y = 97.50 Solve the system of equations. How many 10 oz. boxes were sold? a. 6 b. 9 c. 12d. 15
True or False: The origin would be included in the solution set for the inequality: y < 2x - 5

The scale on a map stated that 1 cm corresponds to 30 kilometers. On the map, two cities are 1.6cm apart.

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Answer:

48 kilometers.

Step-by-step explanation:

We have been given that the scale on a map stated that 1 cm corresponds to 30 kilometers.

Let us find the actual distance between two points, which are 1.6 cm apart on the map by multiplying 1.6 by 30.

$\text{Distance between two cities}=30* 1.6$

$\text{Distance between two cities}=48$

Therefore, the two cities are 48 kilometers apart.

Find the sum of the first 8 terms of the sequence. Show all work for full credit.1, -3, -7, -11, ...

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$1, -3, -7, -11, ...\ \ \ \ \rightarrow\ \ \ the\ arithmetic\ sequence\n\nthe\ difference\ of\ the\ sequence\ is\ \ \ \ d=-3-1=-4\n\nthe\ sum:\ \ \ \ S_n= \frac{\big{2\cdot a_1+(n-1)\cdot d}}{\big{2}} \cdot n\n\n\nS_8= \frac{\big{2\cdot1+(8-1)\cdot(-4)}}{\big{2}} \cdot8=(2-28)\cdot4=-26\cdot4=-104\n\nAns.\ The\ sum\ is\ -104.$

1 - 4 = -3. -3 - 4 = -11.

subtract by -4 until you have 8 numbers.

then add al the numbers together.

1+-3+-7+-11+-15+-19+-23+-27 = -104

How do you find the spread on a dot plot

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The spread is the minimum value to the maximum value. The range is the maximum minus the minimum value hope that helps

The equation of line CD is (y − 3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD?

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$The\ slope-point\ form:y-y_0=m(x-x_0)\ where\ m\ is\ a\ slope\n\nIf\ k:y=m_1x+b_1\ and\ l:y=m_2x+b_2\n\nk\perp l\iff m_1m_2=-1\to m_2=-(1)/(m_1)\n\ntherefore\nthe\ slope\ of\ line\ CD:y-3=-2(x-4)\ is\ m_1=-2\ and\ the\ slope\nof\ a\ line\ prpendicular\ to\ CD\ is\ m_2=-(1)/(-2)=(1)/(2)$

Answer: 1/2

(y-3)=-2(x-4)
(y-3)= -2x+8
y= -2x+11
perpendicular slopes are always reciprocals and opposite so the slope would be
slope=1/2

At the Lira Store for Girls, socks are on sale this week for $1.29 a pair. The regular selling price is $1.79 a pair. What is the markdown rate?

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If you would like to know the markdown rate, you can calculate this using the following steps:

x% of $1.79 is $1.29
x% * 1.79 = 1.29
x/100 * 1.79 = 1.29
x = 1.29 * 100 / 1.79
x = 72.07%

100% - 72.07% = 27.93%

The final price is 27.93% decreased.

A veterinarian is interested in the average number of pets her clients own. Over the course of a month, she questions each client she meets with and records their responses. The veterinarian calculates the average and draws a conclusion from her data.What kind of statistical study did the veterinarian conduct?

A.
theoretical study
B.
survey
C.
experiment
D.
observational study

Answers

I’m pretty sure the answer is B. survey.

Answer:b

Step-by-step explanation:

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