3 years ago

6 of 12

Mathematics

2 answers:

Ganezh [65]3 years ago

8 0

The answer is 60km/h hope this helps have a great day !!

aleksklad [387]3 years ago

6 0

Answer:

60km/h

Step-by-step explanation:

180 ÷ 3 = 60

60km/h

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3 years ago

Read 2 more answers

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

Choose the correct solution and graph for the inequality -5y<_-15

riadik2000 [5.3K]

-5y <= -15

divide by -5 (flips the inequality)

y >= 3

closed circle at 3 line to the right

7 0

3 years ago

A) solve x + x + x = 54 <br>b) solve y/5 = 7<br>c) solve 4t+6=24

egoroff_w [7]

Answer:

a) x = 18

b) y = 35

c) t = 4.5

Step-by-step explanation:

a) x + x + x = 54

3x = 54

x = 54 ÷ 3

x = 18

b) y/5 = 7

(y/5) × 5 = 7 × 5

y = 35

c) 4t + 6 = 24

4t +6 - 6 = 24 -6

4t = 18

4t ÷ 4 = 18 ÷ 4

t = 4.5

6 0

3 years ago