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tensa zangetsu [6.8K]
3 years ago
11

Plzzzzz help meeEEEE ALL 3 REWARD BRAINLIESTT

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

See below

Step-by-step explanation:

1. (refresh if you cant see it)

F = \frac{9}{5}C+32\\\text{Bring variable C to left side}\\-\frac{9}{5}C=-F+32\\\text{Multiply by -1}\\\frac{9}{5}C=F-32\\\text{Multiply the equation by 5/9 to get C by itself}\\C = \frac{5}{9}(F-32)

2.

2(x + 3) = 20

Distribute.

2x + 6 = 20 \neq 2x + 3 = 20

Your answer is false.

3.

x \geq -2 because even though it includes the expression "x>5", those values are also above -2, including 5.

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At Prairieview Middle School, 100 students participate in at least one of three after-school clubs: soccer club, art club, and g
Tresset [83]

Answer:

17

Step-by-step explanation:

Number of students in soccer club, n(S) = 50

Number of students in Art club, n(A) = 53

Number of students in Gaming club, n(G)

n(S \cup A\cup G) = 100

n(S \cap A\cap G) = 9

n(S \cap A) = 20

n(A \cap G) = 35

n(G \cap S) = 29

Formula:

n ( A ∪ B ∪ C ) =  n(A) + n(B) + n(C) – n ( A ∩ B ) – n(B ∩ C) – n (A ∩ C) + n( A ∩ B ∩ C )

Putting the values:

100 = 50 + 53 + n(G) - 20 - 35 - 29 + 9

100 = 112 + n(G) - 84

n(G) = 72

Number of students in gaming club only = n(G) - n(G \cap S) - n(A \cap G) + n(S \cap A\cap G)

= 72 - 35 - 29 + 9

= <em>17</em>

6 0
3 years ago
What is 204,902 is scientific notation? also 124,510 in scientific notation.
Nesterboy [21]
204 902.0

124 510.0

Move the decimal point to the left, until you have a number less than 10.

204 902 = 2.04902 × 10⁵

124 510 = 1.2451  × 10⁵
3 0
3 years ago
Read 2 more answers
An ice cream truck that plays loud music is circling Bulans neighborhood. C(t) models the volume of the music in dB that Bulan h
ELEN [110]

Answer:

  5.5 minutes

Step-by-step explanation:

Fill in the given information and solve for t.

  75 = -15cos(2πt/15) +65

  -10/15 = cos(2πt/15)

  t = 15/(2π)arccos(-2/3) ≈ 5.492

The volume reaches 75 dB about 5.5 minutes after the truck arrives.

8 0
2 years ago
If two of a triangles angles measure 42 degrees and 48 degrees, how would you classify that triangle
grin007 [14]
I think that would be a right angle triangle or is that not what it is meaning

5 0
2 years ago
Read 2 more answers
Q #7 please solve the equation
pishuonlain [190]
The relation between a and s is given to be:

a = 640s

where,

a = number of acres
s = number of square miles

We are to find the number of acres for 7.5 square miles.

This means, s = 7.5

Using the value in the formula, we get:

a = 640 x 7.5 = 4800 acres

So the answer to this question is option B
8 0
3 years ago
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