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Lisa [10]
1 year ago
11

I give brainliest to first person who gets it correct

Mathematics
1 answer:
I am Lyosha [343]1 year ago
8 0

Answer:

(-4,-3)

Step-by-step explanation:

The point where those 2 equations intersect is (-4,-3)

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If the velocity of a bicycle is 10 m/s how long will it take to cover a distance of 18 km<br>​
Sergeeva-Olga [200]

Answer:

time taken=1800 seconds

Step-by-step explanation:

velocity=v=10m/s

distance=S=18km=18×10³m=18000m

t=?

as we know that

velocity=\frac{distance covered}{time taken}

velocity×time taken=distance covered

now here we have to find time

time taken=\frac{distance covered}{velocity}

time taken=\frac{18000m}{10m/s}

time taken=1800seconds

6 0
2 years ago
If y(x) = 3x – 2 and g(x) = 2x+1, find (f- g)(x).
r-ruslan [8.4K]

Answer:

(f- g)(x) = x - 3

Step-by-step explanation:

(f- g)(x) = f(x) - g(x)

This means that you have to subtract the two equation.

If f(x) = 3x - 2 and g(x) = 2x + 1

Then

f(x) - g(x) = [3x - 2] - [2x+1]

= 3x - 2- 2x - 1

= x - 3

∴ (f- g)(x) = x - 3

6 0
2 years ago
If a rock sample has a mass of 1.17 g and a volume of 0.33 cm3, what type of rock is it? if a rock sample has a mass of 2.7 g an
VashaNatasha [74]

The given rock is a diamond because its density ranges among 3.5 and 3.54 g/cm³.

<h3>What is density?</h3>

Density is the mass of a specific material per unit volume. Density is commonly measured in grams per cubic centimetre. Water, for example, has a density of 1 gram per cubic centimetre, whereas Earth has a density of 5.51 grams per cubic centimetre.

  • Density is also measured in kilograms per cubic metre (or metre-kilogram-second or SI units).
  • Air has a density of 1.2 kilograms per cubic metre. Textbooks and handbooks list the densities of popular solids, liquids, and gases.
  • Density provides an easy way to calculate a body's mass from its volume and vice versa; a mass is proportional to the quantity multiplied by density (M = Vd), or the volume is equal to mass divided by the density. (V = M/d).

The formula for density is;

D = M/V,

where,

D is density,

M is mass ( = 1.17 g)

V is volume (0.33 cm³)

Substituting the values in the density formula;

Density = 1.17/0.33

Density = 3.54 g/cm³

As, diamond has a density that ranges between 3.5 & 3.54 g/cm3. As a result, the above rock is indeed a diamond.

To know more about the density, here

brainly.com/question/6838128

#SPJ4

The correct question is-

If a rock sample has a mass of 1.17 g and a volume of 0.33 cm3, what type of rock is it?

8 0
1 year ago
Paul's dad made a turkey pot pie for dinner on Wednesday. The family ate4/8 of the pie. On Thursday after school, Paul ate 2/16
Naya [18.7K]
3/8 please have brainelist, really need
5 0
2 years ago
Read 2 more answers
You've sold 101 rooms, 98 rooms, and 102 rooms over the past 3 days. You have 116 rooms available. What is your average occupanc
r-ruslan [8.4K]

Answer:

The average occupancy rate for the past three nights is of 86.49%.

Step-by-step explanation:

We want to find the average occupancy rate, as a percentage.

You've sold 101 rooms, 98 rooms, and 102 rooms over the past 3 days.

So the mean number of rooms sold during the past 3 days is given by:

A = \frac{101 + 98 + 102}{3} = \frac{301}{3} = 100.33

Average rate:

R = \frac{100.33*100}{116} = 86.49

The average occupancy rate for the past three nights is of 86.49%.

8 0
2 years ago
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