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3 years ago

What is the length of the hypotenuse of right DEF shown????

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

4 0

The answer will be B

Naddik [55]3 years ago

4 0

Answer:

c.)

Step-by-step explanation:

[c=]\sqrt{a^2+b^2}[/tex]

[c=]\sqrt{6^2+9^2}[/tex]

[c=]\sqrt{36+81}[/tex]

[c=]\sqrt{117}[/tex]

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Solve for x, y=3x^2 -x+1

galben [10]

A: 5x-1=y
(=) x=(y+1)/5

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3 years ago

1. Find the product of 2.6 x 107 and 6.3 x 16

qaws [65]

Answer:

28'042.56

Step-by-step explanation:

2.6 x 107=278.2

6.3 x 16= 100.8

278.2x100.8=28'042.56

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3 years ago

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Help me please no one is answering i need help on math :(

Pani-rosa [81]

Answer:

3 3

6 9

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Step-by-step explanation:

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3 years ago

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ruslelena [56]

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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

Whitepunk [10]

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.

7 0

3 years ago