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3 years ago

If 1 is 3 and 2 is 3 and 3 is 5 what is 4 # riddles

Mathematics

1 answer:

Helga [31]3 years ago

7 0

Answer:

4 is 5

Hope it's right :))

You might be interested in

X+y+z=1<br> X-2y+3z=2<br> X+z-5=0

serious [3.7K]

x+y+z=1

x=1/(y+z)

1/(y+z)-2y+3z=2

1-2y²-2yz+3yz+3z²=2(y+z)

(1-2y²+yz+3z²)/2=y+z

z=(1-2y²+yz+3z²)/2 -y/1

z=(1-2y²+yz+3z²-2y)/2

8 0

3 years ago

How many hours will a car traveling at 65 miles per hour take to catch up to a car traveling at 55 miles per hour if the slower

son4ous [18]

It will take the first car 5.5 hours to catch up to the second car.

Step-by-step explanation:

Speed of second car = 55 miles per hour

As the car has started one hour before; it has already traveled

Distance = Speed * Time

Distance = 55*1 = 55 miles

Let,

x be the number of hours.

Distance covered in x hours = 55x

S(x) = 55x+55

Speed of first car = 65 miles per hour

Distance covered in x hours = 65x

F(x) = 65x

For catching up;

F(x) = S(x)

$65x=55x+55\\65x-55x=55\\10x=55$

Dividing both sides by 10

$\frac{10x}{10}=\frac{55}{10}\\x=5.5$

It will take the first car 5.5 hours to catch up to the second car.

Keywords: speed, distance

Learn more about speed at:

#LearnwithBrainly

8 0

3 years ago

Which expression is a sum of cubes?

vovangra [49]

Answer:

-27a³b⁶+ 8a⁹b¹²

Step-by-step explanation:

In the expression above -27 is a perfect cube of -3, 8 is a perfect cube of 2.

The exponents of a and b in both terms in the expression are divisible by 3.

The cube root of x, that is ∛xⁿ=x∧(n/3) where n is an integer.

5 0

3 years ago

Read 2 more answers

-2x + 6y = 6<br> -7x + 8y = -5

AleksandrR [38]

Answer:

$x=-2\\y=2$

Step-by-step explanation:

$-2x+6y=6\\-7x+8y=-5$

Let's multiply the first equation by 7 and the second equation by -2

$(7)(-2x+6y=6)\\(-2)(-7x+8y=-5)$

$-14x+42y=42\\14x-16y=10$

Now add them together. In this step, x is eliminated.

$26y=52$

Divide by 26.

$y=\frac{52}{26}\\ y=2$

Now plug this into any of the two equations to find x.

$-2x+6y=6\\-2x+6(2)=6\\-2x+12=16\\-2x=16-12\\-2x=4\\x=\frac{4}{-2}\\ x=-2$

4 0

3 years ago

What is an inequality term

Rom4ik [11]

Answer:

Step-by-step explanation:

in math is means either less than, greater than , or equal to

5 0

3 years ago