2 years ago

Please help hard math

Mathematics

1 answer:

Mamont248 [21]2 years ago

4 0

I’m guessing either A or D. I’m it good at math either but I think I personally would go with A.

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alexandr1967 [171]

The answer is 13 to your question

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3 years ago

Read 2 more answers

The sales tax on $350 is 22.75 find the sales tax rate

bogdanovich [222]

To find the tax rate when given the initial price of an object and the final tax value, you use the equation: $350 * X = $22.75 (where X is the sales tax rate). Then solve:
$22.75/$350 = .065

So the rate is 6.5%

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3 years ago

2x - y - 4 = 0 3x + y - 9 = 0 What is the solution set of the given system?

Ad libitum [116K]

Answer:

$(\frac{13}{5};\frac{6}{5}).$

Step-by-step explanation:

$1)\left \{ {{5x=13} \atop {y=2x-4}} \right. \ 2)\left \{ {{x=\frac{13}{5} } \atop {y=\frac{6}{5} }} \right.$

short explanation: 1) to add the 1st equation to the 2d; 2) to calculate the value of 'x', then to substitute x=13/5 into the 2d equation and calculate the value of 'y'.

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2 years ago

<img src="https://tex.z-dn.net/?f=%20-%203y%20%7B%7D%5E%7B2%7D%20%3D%20%20-%2075" id="TexFormula1" title=" - 3y {}^{2} = - 75"

Paraphin [41]

Answer:

The answer will turn out to be y= 5 or y= -5.

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3 years ago

help me thank you whoever is right gets brainliest A carpenter attaches a piece of plywood with a width of 4 feet and a length o

levacccp [35]

Answer:

Step-by-step explanation: