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3 years ago

Please help me with this

Mathematics

2 answers:

3241004551 [841]3 years ago

8 0

Exponential Function

e-lub [12.9K]3 years ago

6 0

Quadritics is the answer

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Please help!! I'll give 30 points and brainliest.

Valentin [98]

Step-by-step explanation:

$3 + \frac{9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{3 \times 4 + 9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{12 + 9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{21}{4} = \frac{9}{x+4} \\ \\ \therefore \:21(x + 4) = 36 \\ \\ \therefore \:21x + 84 = 36\\ \\ \therefore \:21x = 36 - 84\\ \\ \therefore \:21x = - 48\\ \\ \therefore \:x = \frac{-48}{21} \\ \\ \therefore \:x = \frac{-16}{7} \\ \\ \huge \red{ \boxed{ \therefore \:x = - 2 \frac{2}{7} }}\\ \\$

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3 years ago

What is the slope of (-5,-1) (5,5)? Explain.

ArbitrLikvidat [17]

Step-by-step explanation:

$slope = \frac{ - 1 - 5}{ - 5 - 5} = \frac{ - 6}{ - 10} = \frac{ 3}{ 5} \\$

3 0

3 years ago

Read 2 more answers

Math is annoying! Can someone help me please?

lord [1]

16. would be C since they both consist of the same variable to the same power

17. x-2x+7-9+4x
c. 3x-2
18. -4(3a-5). You would multiply -4 by 3 a, and -4 by -5. It turns to
-4(3a)-4(-5)
a. -12a+20

4 0

3 years ago

In a group of seventeen people, five play guitar and six play piano. Only two people play both piano and guitar. Which two-way t

Andru [333]

You forgot the picture

3 0

3 years ago

The perimeter of a playing field for a certain sport is 214 ft. The field is a rectangle, and the length is 41 ft longer than th

malfutka [58]

Step-by-step explanation:

Perimeter of a rectangle = 2(L+W)

L is the length of the rectangle:

W is the width of the rectangle.

Given

Perimeter = 214feet

If the length is 41 ft longer than the width, then L = 41+W

Substitute L = 41+W into the formula:

P = 2(L+W)

214 = 2(41+W+W)

214 = 2(41+2W)

214 = 82+4W

4W = 214-82

4W = 132

W = 132/4

W = 33 feet

Since L = 41+W

L = 41+33

L = 74 feet

Hence the dimension of the field is 74ft by 33ft

<em>The width of the playing field is 33feet</em>

8 0

3 years ago