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STatiana [176]
3 years ago
14

Solve 7x + 1< 4(x - 2). {XIX<3) XIX> 3 XIX-3] {XIX<-3)

Mathematics
1 answer:
tankabanditka [31]3 years ago
3 0

Answer:

x <  - 3

Step by step explanation

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Martin finds a shirt on sale for 20 %off at a department store. The original price was 10$ Martin must also pay 8.5% sales tax.
Serhud [2]

Answer:

Step-by-step explanation:

Sale price = 80% of $10 = 0.80×$10 = $8

price + tax = 1.085×$8 = $8.68

8 0
3 years ago
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How many moles of NH3 will be produced if 2 moles of N2 reacts with excess H2 gas?
skad [1K]

Answer:

2 moles of N₂ will produce 4 moles of NH₃

Step-by-step explanation:

Equation of reaction

N₂ + 3H₂ → 2NH₃

The process above is the Born-Harber method of producing ammonia NH₃ industrially.

From the equation of reaction,

1 moles of N₂ will produce 2 moles of NH₃

1 moles N₂ = 2 moles NH₃

2 moles of N₂ = x moles of NH₃

x = (2*2) / 1 = 4moles of NH₃

2 moles of N₂ will produce 4 moles of NH₃

5 0
3 years ago
Please help the distance formula
Alexxandr [17]

Answer:

7.8

Step-by-step explanation:

distance formula : d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

where the x and y values are derived from the given points

here the given points are (11,3) and (6,9)

<u>assigning variables</u>

(x1,y1) = (11,3) so x1 = 11 and y1 = 3

(x2,y2) = (6,9) so x2 = 6 and y2 = 9

<u>plugging in values into formula</u>

recall formula d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

==> plug in x1 = 11 , y1 = 3 , x2 = 6 and y2 = 9

d=\sqrt{(6-11)^2+(9-3)^2}

==> subtract values in parenthesis

d=\sqrt{(-5)^2+(6)^2}

==> evaluate exponents

d=\sqrt{25+36}

==> add 25 and 36

d=\sqrt{61}=7.8 ( approximately )

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2 years ago
Solve for x and solve for y
Stells [14]

Answer:

gvaaliyar steshan steshan

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3 years ago
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Find the unit rate for each relationship below. Include units.<br> 320 miles in 6 hours
ira [324]

Answer:

53 1/3 mph.

I divided 320 by 6 and got this answer.

3 0
3 years ago
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