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Sveta_85 [38]
3 years ago
10

Here are the numbers on a table that shows student's scores for 10 rounds of a video game.

Mathematics
2 answers:
Korolek [52]3 years ago
7 0

Answer:

B-145

Step-by-step explanation:

120-190 is the spread in the middle is 145

Hitman42 [59]3 years ago
6 0

Answer:

B- 145

Step-by-step explanation:

hoped this helped!

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bagirrra123 [75]

Answer: I believe that you wrote it wrong because options a and d are the same thing. The answer is -4x + 2 = 9


Step-by-step explanation:

The word "sum" is used to indicate addition, and "is" is used for equals, so it would be -4x + 2 = 9.

6 0
3 years ago
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A factory produces 1,250,000 toys each year. The number of toys is expected to increase by about 150% per year.
Marizza181 [45]

Answer:

The correct option is D. n= 1.25(2.5^t)

Step-by-step explanation:

:)

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3 years ago
Find the area of the figure with Heron’s formula
Anna11 [10]

Answer:

735 cm²

Step-by-step explanation:

The figure is a trapezium .The area of the triangle section can be calculated using the Heron's formula.

The other part of the figure will be a square of sides 21 cm by 21 cm

<u>Area of the square section</u>

Area = l²

Area = 21* 21 = 441 cm²

<u>Area of the triangle using Heron's formula</u>

Sides of the triangle are ;

a= 28 cm

c= 35 cm

b = 21 cm -----height of the trapezium

The Heron's formula is given as;

A=\sqrt{s( s-a)(s-b )(s-c )}

where s is half the perimeter of the triangle

Perimeter of the triangle is given as ;

P= 35 + 28 + 21 =84 cm

s= 84/2 = 42 cm

A=\sqrt{42*(42-21 )*(42-35 )*(42-28 )} \\\\A=\sqrt{42*(21 )*(7 )*( 14)} \\\\A=\sqrt{86436} \\\\A=294\\\\

Total area = 294 + 441 = 735 cm²

7 0
3 years ago
I WILL GIVE 69 POINTS AND BRAINLIEST TO WHOEVER ANSWERS ALL 5 QUESTIONS
irina [24]
You can only see the top sentence
7 0
3 years ago
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HELP QUICK PLEASE <br><br> 12(20 + b)
sweet-ann [11.9K]

Answer:

b+9=20-12

Step-by-step explanation:

Hopefully this helped, if not HMU and I will try my best to get you a better answer!

5 0
3 years ago
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