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4 years ago

Identify the terms, coefficients, and constants in the expression 7+x-1

Mathematics

1 answer:

Makovka662 [10]4 years ago

6 0

Coefficient 7 terms 7,x,1 constants 1 i think if wrong im sorry

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A box has length 5 feet, width 6 feet, and height 3 inches. Find the volume of the box in cubic feet and in cubic inches.

denpristay [2]

Answer:

90 inches

Step-by-step explanation:

The formula for volume is LxWxH so you just gotta do 5x6x3

which is 90.

7 0

3 years ago

HELP ME PLEASEEEEEEEEEEEEEEEE

Vinil7 [7]

Answer:

2mm×4mm=8mm

4mm×5mm=20mm

20mm+8mm=28mm²

hope it helps :)

8 0

3 years ago

A scientist makes an acid solution by adding drops of acid to 1.2 L of water. The final volume of the acid solution is 1.202 L.

laila [671]

Answer:

40 drops

Approximately 0.166 %

Step-by-step explanation:

It would be easier to work the same units for volume

Since there are 1000 ml in a liter

Original water volume 1.2 L = 1.2 x 1000 = 1200 mLl

The final volume of the acid-water solution = 1.202 L = 1202 mL

So total volume of acid added = 1202-1200 = 2 mL

Each drop of acid is 0.05 mL

Number of drops added = 2/.05 = 40 drops

Percent of acid in acid solution = (Volume of acid added)/(Final volume) x 100 = (2/1202) ≈ 0.00166 x 100 ≈ 0.166 %

7 0

2 years ago

There are 40 students in a class and 36 of these students passed their Chemistry test.

svetlana [45]

Answer:

90%

Step-by-step explanation:

To calculate a percentage, divide the smaller number into the larger one. 36 ÷ 40 = 0.9, which is equal to 90%.

5 0

3 years ago

Read 2 more answers

Jason and Jeremy work together at a juggling-ball factory. Jason lives 25 miles away from the factory and drives at 60 miles per

postnew [5]

Jason arrives at the factory first

It takes 5 minutes until the other person arrives

Solution:

The time taken is given by formula:

$Time\ taken = \frac{distance}{speed}$

Jason lives 25 miles away from the factory and drives at 60 miles per hour

Therefore, time taken by Jason is:

$Time\ taken = \frac{25}{60}\ hour$

Convert to minutes

1 hour = 60 minutes

Therefore,

$Time\ taken = \frac{25}{60} \times 60\ minutes = 25\ minutes$

Jeremy lives 35 miles away from the factory and drives at 70 miles per hour

Therefore time taken by Jeremy is:

$Time\ taken = \frac{35}{70}\ hour\\\\Time\ taken = \frac{35}{70} \times 60\ minutes\\\\Time\ taken = 30\ minutes$

They leave their houses at the same time

25 minutes < 30 minutes

Thus Jason arrives first

Jason arrives to the factory in 25 minutes

Jeremy arrives to the factory in 30 minutes

⇒ 30 - 25 = 5 minutes

Jeremy arrives after Jason by 5 minutes

It takes 5 minutes until the other person arrives

3 0

4 years ago