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3 years ago

Solve for x: 2x - 2 > 4x + 6

Mathematics

1 answer:

laiz [17]3 years ago

7 0

Isolate the x. Subtract 4x from both sides, and add 2 to both sides

2x (-4x) - 2 (+2) > 4x (-4x) + 6 (+2)

2x - 4x > 6 + 2

Simplify. Combine like terms

-2x > 8

Isolate the x. Divide -2 from both sides. Note that you are dividing a negative number. When doing so, flip the sign.

-2x/-2 > 8/-2

x > 8/-2

x < -4

x < -4, or (1) is your answer

hope this helps

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A dog weighs 64 pounds, he eats 3/4 cup of food twice a day. his food contains 429 kcal/cup and 6.5grams protein per 100 kcal of

NeX [460]

Answer:

the dogs daily energy intake is 643.5 kcal

and, the dogs daily protein intake is 41.8275 grams

Step-by-step explanation:

Given:

Food taken per day = 2 × $\frac{\textup{3}}{\textup{4}}$ cup = 1.5 cup

Amount of calories in a cup = 429 kcal/cup

Amount of protein = 6.5 grams per 100 kcal of energy

now,

The total amount of calories taken per day

= Number of cups of food × Amount of calories in a cup

= 1.5 × 429

= 643.5 kcal

also,

100 kcal of energy = 6.5 grams protein

thus,

1 kcal of energy = 0.065 grams protein

therefore,

643.5 kcal of energy = 0.065 × 643.5 grams protein

643.5 kcal of energy = 41.8275 grams of proteins

Hence,

the dogs daily energy intake is 643.5 kcal

and, the dogs daily protein intake is 41.8275 grams

8 0

3 years ago

Help me please with this problem

zysi [14]

The answer is A because the sales are going up 1000 every day

7 0

3 years ago

I REALLY NEED HELP PLEASE HELP ME :(

o-na [289]

Answer:

I may be wrong but I think 8 is your answer.

Step-by-step explanation:

(-1)^(3/7) x 128^(3/7)

-1 x 128^3/7

128^(3/7) = 8

= 8

6 0

3 years ago

A train leaves at 14.54 and arrives at its destination at 15.47. If the train travelled 66 km, what was it's average speed in km

JulijaS [17]

Answer: average speed of the train = 4,483.0 km/h

Step-by-step explanation:

Speed = Distance / Time

Distance = 66 km

Time = 15.47 cancelling 15, we have 60 sec added to 47 sec

- 14.54

= 14. 107 60 + 47

- 14. 54

53secs

53secs to hours becomes =

60 secs = 1 min

60 min= i hour

therefore 53seconds =53/3600=0.0147222hours

Speed= 66/ 0.0147222= 4,483.025

Rounding to 1 dp becomes= 4,483.0 km/h

3 0

3 years ago

CAN SOMEONE HELP PLZ AND EXPLAIN BEC IF DONT DO GOOD I CANT GO TO MY DADS HOUSE THIS WEEK END

Galina-37 [17]

Hello!

6.
Since the area is that of a square, you know that all side lengths are the same.

Area is base times height (A = bh), but since base and height are the same for a square, you get the formula A = a².

$A = a^{2}$
$144 = a^{2}$
$\sqrt{144} = a$
$12 = a$

The length of the side of a square with an area of 144 in² is 12 in.

7.
Rational number.

8.
This is a right triangle; use the Pythagorean Theorem to find missing lengths of right triangles. Pythagorean Theorem: a² + b² = c², where c is the hypotenuse of the triangle.

Plug in your leg lengths:

a² + b² = c²
8² + x² = 21²
64 + x² = 441
x² = 377
x = 19.4

7 0

3 years ago