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3 years ago

Check whether (0, -2) is solution of the equation x - 2y = 4 or not

Mathematics

1 answer:

kaheart [24]3 years ago

8 0

Answer:

Step-by-step explanation:

Plugin x = 0 & y = -2 in the LHS of the equation. After substituting, if you get the RHS, then this point is the solution of the equation.

x - 2y = 0 - 2*(-2)

= 0 + 4

= 4 = RHS.

(0,-2) is solution of the equation.

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Air has a density of 0.001226 g/mL. What volume of air would have a mass of 1.0 lb? A. 2.7 mL B. 815.6 mL C. 37 mL D. 3.7 × 102

Andre45 [30]

Answer:

$Volume = 3.7\ * 10^2\ L$

Step-by-step explanation:

Given

$Density = 0.001226 g/mL$

$Mass = 1.0\ lb$

Required

Determine the volume of air

Density is calculated using:

$Density = \frac{Mass}{Volume}$

Substitute values for Density and Mass

$0.001226 g/mL = \frac{1.0\ lb}{Volume}$

Convert lb to grams

$0.001226 g/mL = \frac{1.0 * 453.592\ g}{Volume}$

$0.001226 g/mL = \frac{453.592\ g}{Volume}$

Solve for Volume

$Volume = \frac{453.592\ g}{0.001226 g/mL}$

$Volume = 369977.161501\ mL$

Convert mL to L

$Volume = 369977.161501\ L * 0.001$

$Volume = 369.977161501\ L$

Represent using scientific notation

$Volume = 3.69977161501\ * 10^2\ L$

Approximate

$Volume = 3.7\ * 10^2\ L$

8 0

3 years ago

How long are the other sides

tester [92]

Answer:

10 inches.

Step-by-step explanation:

Because an isosceles has two equal sides and on different one

7 0

3 years ago

JK = 8x – 5 and<br> KL = 7x + 3<br> Find JL

vladimir2022 [97]

Good question I’m not sure what it is but I’m sure you can look on google

6 0

3 years ago

So I don't know what 5*7 is because it confusing

RideAnS [48]

Answer:

35/16

Explanation:

(5*7)/2^4

= 35/2^4

= 35/16

Note:

Please mark as brainliest! <3

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3 years ago

Read 2 more answers

PLS HURRY!!! I'LL GIVE BRAINLIEST!!!

KIM [24]

Answer:

2/3

Step-by-step explanation:

in order to find slope we do rise over run or y over x. if you look at the pictrue, when x increases by 3 then y increases by 2. Hope this helped!!!!!!

7 0

3 years ago