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2 years ago

7.0g divided by 5.6g/cm cubed

Mathematics

1 answer:

OlgaM077 [116]2 years ago

8 0

Answer:

Should be 1.25cm

Step-by-step explanation:

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Jim is an electrician. He charges a $150 home-visit fee and $45 per hour, with the first two hours free. Which equation could El

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I might be wrong that the answer is D

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3 years ago

A coin collector has $45 in just dimes and quarters in a piggy bank he counted all the coins and there are 240 total how many ea

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Answer:

The number of <u>dimes are 100</u> and number of <u>quarters are 140.</u>

Step-by-step explanation:

Let the number of dimes be 'd' and quarters be 'q'.

Given:

The sum of amount is $45.

The total number of coins are 240.

1 dime = $0.10

∴ 'd' dimes = $\$0.10d$

1 quarter = $0.25

∴ 'q' quarters = $\$0.25q$

Now, as per question:

$d+m=240-----1\\0.1d+0.25q=45---2$

Multiplying equation (1) by -0.1 and adding the result to equation (2), we get:

$-0.1d-0.1q=240\times -0.1\\-0.1d-0.1q=-24\\0.1d+0.25q=45\\-----------\\0.15q=21\\q=\frac{21}{0.15}=140\\\\d=240-q=240-140=100$

Therefore, the number of dimes are 100 and number of quarters are 140.

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2 years ago

In 0.73, in which place is the 0

Svetllana [295]

Answer:

The digit '0' is in the ones place.

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2 years ago

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If 4 Maths books are selected from 6 different Maths different English books, how many ways can the seven om Maths books and 3 E

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Answer:

Please see the answer below

Step-by-step explanation:

a. Since there’s no restrictions .Therefore , the number of ways = 7!*150 = 756000

b. The number of ways such that the 4 math books remain together

The pattern is as follows: MMMMEEE, EMMMMEE, EEMMMME, and EEEMMMM

Where M = Math’s Book and E= English Book.

Number of ways = 4!*8!*4*150= 86400 ways.

c. The number of ways such that math book is at the beginning of the shelf

The number of ways = 6!*4*150 = 432000

d. The number of ways such that math and English books alternate

The number of ways = 150*4!*3! =2160 ways

e. The number of ways such that math is at the beginning and an English book is in the middle of the shelf. The number of ways = 4*3*5!*150 =216000 ways.

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3 years ago

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A. 0.15 Because its making me type twenty characters.

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7.0g divided by 5.6g/cm cubed​

7.0g divided by 5.6g/cm cubed