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3 years ago

Can i get some help?

Mathematics

1 answer:

poizon [28]3 years ago

6 0

Answer:

The second one (4+3x = 9)

Step-by-step explanation:

From the working we can already tell that the second one is the odd one out without even doing the 4th one

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An office supply company ordered 24 cartons of specialty paper. The regular price for a carton of specialty paper is $6.88. They

AlladinOne [14]

Answer:

$123.12

Step-by-step explanation: First we get the ttotal discount.

1.75times24=$42

then get the normal price which is the regular.

6.88times24=165.12

then subtract the discount from the normal price.

$165.12-$42=123.12

3 0

4 years ago

A bicycle tire has a radius of 13.25 inches. How far will the bicycle travel in 40 rotations of the tire?

SCORPION-xisa [38]

Answer:

3330.08 inches of 277.51 feet

Step-by-step explanation:

13.25X2X3.14159=length of one rotation=83.25

40 rotations=40(83.25)=3330.08 inches

3 0

3 years ago

There are 28 marbles in a bag. Each player uses 5 marbles to play a game.

Kitty [74]

3 is the correct answer.

6 0

4 years ago

The level of water in a dam was decreasing by 20% each day. If the level of water was 1500cm,what was the level after two days?

makkiz [27]

Answer:

$L_o= 1500 cm$

And we know that the level is decreasing 20% each day so then we can use the following model for the problem

$L_f = L_o (1-0.2)^t$

Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got:

$L_f = 1500cm(0.8)^2 = 960cm$

Step-by-step explanation:

For this case we know that the initial volume of water is:

$L_o= 1500 cm$

And we know that the level is decreasing 20% each day so then we can use the following model for the problem

$L_f = L_o (1-0.2)^t$

Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got:

$L_f = 1500cm(0.8)^2 = 960cm$

6 0

4 years ago

What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)

matrenka [14]

Answer: $QS=11.8cm$

Step-by-step explanation:

1. You have the following information:

- The lenght of $RS$ is 2 centimeters.

- The angle m∠S=80°.

- Cos80°=0.17

2. Therefore, you can calculate the lenght of the segment $QS$ as following:

$cos80=\frac{adjacent}{hypotenuse}$

$adjacent=2cm\\hypotenuse=QS\\cos80=0.17$

3. Substitute values and solve for $QS$ :

$0.17=\frac{2cm}{QS}\\QS=\frac{2cm}{0.17} \\QS=11.76cm$

4. To the nearest tenth:

$QS=11.8cm$

6 0

3 years ago