2 years ago

Please help as soon as possible

Mathematics

2 answers:

zaharov [31]2 years ago

7 0

24 students. you would multiply 9 by the reciprocal of 3/8

crimeas [40]2 years ago

7 0

I think there is 27 students in math class for number 3

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Does anybody know how to solve for “C”?.

Jobisdone [24]

Answer:

c = (b+3a)/2

Step-by-step explanation:

Solve for c:

1/ac = 2/ab - 3/bc

Multiply both sides by abc:

abc/ac = 2abc/ab - 3abc/bc
b = 2c - 3a
b + 3a = 2c
2c = b + 3a
c = (b + 3a)/2

8 0

2 years ago

Please answer this in two minutes

NeTakaya

Answer:

Step-by-step explanation:

Use the Pythagorean Thereom:

$r^{2}$ = $9^{2}$ + $12^{2}$

$r^{2}$ = 81+144

$r^{2}$ = 225

$r$ = 15

Please mark me as Brainliest!

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2 years ago

What number multiples to -1 and adds to -50

koban [17]

Z: is the number

[Z*(-1)]+(-50)
(-Z)+(-50)
-Z-50

I hope it helps you :)

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2 years ago

Seventh-grade students were surveyed about their favorite color. The results of the survey were recorded in the following tally

babunello [35]

Where is the chart? I don’t see it.

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2 years ago

Read 2 more answers

A triangle has three different integer side lengths and a perimeter of 20 units. What is the max length of any one side?

Troyanec [42]

X + x+1 + x + 2 = 20
3x + 3 = 20
3x = 17 but can't start with x = 6 because 6+7+8 > 20,
so have start with 5 + 6 + 7 = 18 are the 3 sides.

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2 years ago