3 years ago

Please help no one answers my questions :'(

Mathematics

1 answer:

UkoKoshka [18]3 years ago

7 0

This probaly isn’t write but -10 maybe

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A number has the digits 2, 8 and 6 to the nearest ten the number rounds to 830. what is the number. Please break it down.

Assoli18 [71]

The number would be 826. 826 rounded to the nearest ten would be 830 because when you have a number at the end that is 5 or higher, it would round up.

8 0

3 years ago

Water has a density of 1.00g/cm^3 per cubic centimeter. What is the mass of half a liter of water?

anygoal [31]

Answer:

The mass of half a liter of water is 500g, that is, 0.5kg.

Step-by-step explanation:

Density is mass divided by the volume, that is:

$d = \frac{m}{v}$

Here, we have to be careful. Since the density is in grams per cm³, m has to be in grams and v in cm³.

We have that:

$d = 1$

What is the mass of half a liter of water?

One liter is 1000 cm³.

So half a liter is 1000/2 = 500 cm³, which means that $v = 500$

Then

$d = \frac{m}{v}$

$1 = \frac{m}{500}$

$m = 500$

The mass of half a liter of water is 500g, that is, 0.5kg.

7 0

3 years ago

Pienso en un número lo multiplicó por 2 y el resultado es lo mismo cuando le sumó 1

MrRa [10]

Translate that to english please?

5 0

3 years ago

Please dont answer with anything bad :((( extremely need help

svetoff [14.1K]

Answer:

120°

Step-by-step explanation:

A line must add up to 180°.

The sum of angles in a triangle also adds up to 180°.

Step 1: Find measures interior angles.

3x = 180

x = 60°

Step 2: Find measures of exterior angels.

x + 60 = 180

x = 120°

5 0

3 years ago

Read 2 more answers

I need to find the missing angle and arc measures.

Marysya12 [62]

Answer:

I think slope-intercept

8 0

3 years ago