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3 years ago

Please help meeeeee Will mark brainiest

Mathematics

1 answer:

Sergio039 [100]3 years ago

8 0

Answer:

Volume= 210cm^3 , Length is below

Step-by-step explanation:

6.5 is the length because it is and I worked it out

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Alberto ran 45 kilometer on Monday. On Tuesday, he runs 910 of the distance he ran on Monday. How far did he run on Tuesday? Ent

Digiron [165]

Answer:

85.95 km

Step-by-step explanation:

Given that,

Alberto ran 45 kilometers on Monday.

On Tuesday, he runs 91% of the distance he ran on Monday.

We need to find how far did he run on Tuesday. It can be given by :

$T=45+45\times \dfrac{91}{100}\\\\=85.95\ km$

So, he run 85.95 km on Tuesday.

7 0

3 years ago

Average speed of driving 330 miles in 5 and a half hours

ehidna [41]

The Average speed would be 60 miles per hour.

- Divide 330 by 5.5 hours

8 0

3 years ago

DE=2x <br> EF=2x-6<br> DF=3x+5<br> What is DE

Nataly_w [17]

Answer:

DE=2x you kinda put the answer

Step-by-step explanation:

5 0

3 years ago

One of the factors of the polynomial x3 − 5x2 is x + 3. What is the other factor?

olya-2409 [2.1K]

The answer is letter c. x2-8x+24-[72/(x+3)]. If you do not know how to solve this using the long division method, you can always evaluate the options through the process of elimination first. Since the degree of the other factor is already 1 (x to the power of 1), you know that option d. is not the correct answer because you know that the other factor must be raised to the power of 2. That leaves us with a, b and c. Working backwards and multiplying the given factor (x+3) with the factor in b, gives us x3-5x2+72. So from there, you know that you have to eliminate 72, which can be removed when it is subtracted by itself. Letter c does just that. Try multiplying (x+3) and option c for yourself :).

8 0

3 years ago

Read 2 more answers

What is the domain of the function y = 2 StartRoot x minus 5 EndRoot?

Juli2301 [7.4K]

Answer:

The domain of the function should be:

'x greater than or equal to negative -5'.

Hence, option A is true.

Step-by-step explanation:

Given the expression

$2\sqrt{x-5}$

The domain of a function is the set of input or arguments for which the function is real and defined

We know that the value, inside the radicand, is the number found inside a radical symbol which must be greater than 0, otherwise, it would make the function undefined,

i.e.

x-5 ≥ 0

x ≥ 5

In other words, the domain of the function should be:

'x greater than or equal to negative -5'.

Therefore, the domain of the function:

x ≥ 5

$\mathrm{Domain\:of\:}\:2\sqrt{x-5}\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\ge \:5\:\\ \:\mathrm{Interval\:Notation:}&\:[5,\:\infty \:)\end{bmatrix}$

Hence, option A is true.

3 0

3 years ago

Read 2 more answers