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CaHeK987 [17]
2 years ago
11

Mrs. Oliver drew a box plot to represent her students’ scores on a mid-term test.

Mathematics
1 answer:
Rzqust [24]2 years ago
6 0

Answer:

About 1/4 scored higher and 3/4 scored lower

Step-by-step explanation:

84 is on the right side line

Each line represents 25 % of the score

It is 75 percent ( 3 lines) of the way

She scored higher than 75% of the students and lower than 25% of the students

About 1/4 scored higher and 3/4 scored lower

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The solution set for 7q2 − 28 = 0 is { }. (Separate the solutions with a comma) NextReset
SVETLANKA909090 [29]
7q^2 - 28 = 0

7q^2 = 28 
q^2 = 4
q = +/-2
 solution set is {-2,2}
6 0
3 years ago
Read 2 more answers
Application 11. Dasha took out a loan of $500 in oeder to buy the # 1 selling book in the world, "Math, What is it Good For?" by
finlep [7]

Answer:

\boxed{\text{\$581.25; \$81.25}}

Step-by-step explanation:

The formula for the total accrued amount is

A = P(1 + rt)

Data:

P = $500

r = 6.5 % = 0.065

t = 30 mo

Calculations:

(a) Convert months to years

t = 30 mo × (1 yr/12 mo) = 2.5 yr

(b) Calculate the accrued amount

A = 500(1 + 0.065 × 2.5)

  = 500(1 + 0.1625)

  = 500 × 1.1625

  = 581.25

\text{Dasha will have to pay back }\boxed{\textbf{\$581.25}}

(c) Calculate the accumulated interest

\begin{array}{rcl}A & = & P + I\\581.25 & = & 500 + I\\I & = & 81.25\\\end{array}\\\text{The accumulated interest is }\boxed{\textbf{\$81.25}}

6 0
3 years ago
9 ⋅ (−4) ⋅ (−4) ⋅ (−7) = ?<br> 20 pts <br> brainlyiest if correct
forsale [732]

Answer:

The answer is -1008, it's in the comments

6 0
3 years ago
the dimensions of a square are altered so that 8 inches is added to one side while 3 inches is subtracted from the other. The ar
Mashutka [201]
Let
x--------> original length side of a square

we know that
area rectangle=length*width
area=126 in²
length=(x+8)
width=(x-3)
so
126=(x+8)*(x-3)------> x²-3x+8x-24=126----> x²+5x-150=0

using  a graph tool------> to resolve the second order equation
see the attached figure
the solution is
x=10 in

the answer is
the original length side of a square is 10 in

4 0
3 years ago
The student body of a large university consists of 40% Business majors. A random sample of six students from this university is
Mashcka [7]

Answer:

The answer is 0.31

Step-by-step explanation:

We can solve this problem as a binomial distribution function. Probability of selecting business mayors is p=0.4 and selecting non-business mayors is q=0.6.

Then selecting 2 busies mayors out of six is:

P(x)=combination(6,2)*0.4^2*0.6^4\\P(x)=0.31

7 0
3 years ago
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