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3 years ago

ILL MARK BRAINIEST IF YOU DO THIS RIGHT!!! DO 9 AND 10!!!

Mathematics

1 answer:

yuradex [85]3 years ago

4 0

Number 9 is L is greater than or equal to 110

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How many solutions does the equation have 3 + 5n = 5(n + 2) - 7

krok68 [10]

Answer: an infinite amount of answers

Step-by-step explanation:

It’s all real numbers from negative infinity to positive infinity

3 0

3 years ago

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2

andrezito [222]

Answer:

$3x+2y=315\\\\2x+4y=450$

is the system of equations representing the situation.

Step-by-step explanation:

Given:

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.

Now, to find the system of equations representing the situation.

Let the number of haircuts be $x.$

Let the number of hair dyes be $y.$

So, Alexandra can give 3 haircuts and 2 hair dyes in:

$3x+2y=315.$

Now, giving 2 haircuts and 4 hair dyes in:

$2x+4y=450.$

Therefore,

$3x+2y=315\\\\2x+4y=450$

is the system of equations representing the situation.

3 0

3 years ago

360° 180° 90° 540° Please help me

Valentin [98]

Answer:

360 is the answer...

becoz sum of exterior angles is always 360

7 0

3 years ago

Help please quickly

antoniya [11.8K]

This is proportion so we have to set it up as _/_=_/_

So we would set this up as 18/2=x/10

We multiply 5 on both side.

2x5= 10

18x5= 90

So answer is 90 donuts in 10 boxes.

4 0

3 years ago

What is the solution to -1.6 > b - (-4.4)

Inessa05 [86]

$\\ \sf\longmapsto -1.6>b-(-4.4)$

$\\ \sf\longmapsto -1.6>b+4.4$

$\\ \sf\longmapsto b$

Option B is correct

5 0

3 years ago