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Otrada [13]
3 years ago
8

John got the follow scores on his tests what is the interquartile range of his scores 78,57,90,60,89,69,95

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0
57, 60, 69, 78, 89, 90, 95 (90-60=30) Answer= C. 30
You might be interested in
Help
alisha [4.7K]

Answer:

a. x^{2}  + 3y^{3}

b. 3y^{3} -6

c. 5x -3

d. -6t - 5

Step-by-step explanation:

When a number has the same variable as another, you can add or subtract them

So for the first one, you can do

5x^{2} -4x^{2} = 1x^{2}  = x^{2}

(But don't forget the 3y^{3}!)

So it is:

x^{2}  + 3y^{3}

Continue this process for the rest of them

7 0
2 years ago
3. Se le ha encargado a usted la provisión de muestras para vender en el lanzamiento de la nueva bebida de aguapanela con limón
tamaranim1 [39]

I- I would help but- o meh lord

7 0
3 years ago
A postcard has an area of 24 square inches. Two enlargements of the postcard have areas of 54 square inches and 96 square inches
Alex777 [14]

Answer:

original is 4 & 6.

for 54 sq inch= 6 & 9 and for 96 sq inch=8 & 12

Step-by-step explanation:

Given: The length is 1.5 times the width.

so the length is, l = 1.5w ----(a)

lw = 24  =1.5w(w)

lw = 54= 1.5w(w)

lw = 96 =1.5w(w)

Further simplifying it,

1.5w^{2}=24

1.5w^{2}=54

1.5w^{2}=96

so,

w^{2} = \frac{24}{1.5}=16

w^{2}= \frac{54}{1.5} =36

w^{2}= \frac{96}{1.5} =64

taking the square root, we get:

w = 4

w = 6

w = 8

By putting the above values in eq (a), we can find their corresponding lengths:

l = 1.5(4) = 6

l = 1.5(6) = 9

l = 1.5(8) = 12

So a few lengths could be:

(l, w)

(6,4)

(9,6)

(12,8)

5 0
3 years ago
Read 2 more answers
X on the top and 24 on the bottom 11 on the top 6 on the bottum
azamat

Answer:

x = 44

Step-by-step explanation:

this is a proportion which you can solve by cross-multiplying:

6x = 24·11

6x = 264

x = 264/6

x = 44

8 0
3 years ago
Read 2 more answers
Which of the following measurements describe an angle at which the polygon has rotational symmetry? (10 points)
olga_2 [115]

Answer:

45

Step-by-step explanation:

7 0
3 years ago
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