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3 years ago

Solve the system of equations 15x -2y = 4 20x - 3y = 1

Mathematics

1 answer:

makkiz [27]3 years ago

3 0

Answer: try internet

Step-by-step explanation:

sorry

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Two friends, Caleb and Ynez are both selling brownies for a class fundraiser. They decide to advertise how much buying a certain

Afina-wow [57]

The center number of brownies will cost 4.99

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3 years ago

Explain work please

Softa [21]

Answer:

12 yards of silk

Step-by-step explanation:

okay so 1 yard = 36 inch so 2+3+6= 11 yards

now 1/2 of 36 is 18 inchs

6 inchs

and 1/3 of 36 is = 12

now add 12+18+6 = 36 = 1 extra yard so add that to 11 to get 12

4 0

3 years ago

An equation is shown 3/4x=15. What is the value of x

uysha [10]

3/4x=15 you flip 3/4 to 4/3 and cancel it out on one side leaving x by itself then you multiply 4/3 by 15 and you get 60/3 and that equals 20 x=20

7 0

3 years ago

SOLUTION: y = 5x + 7 what is the value of y

Nat2105 [25]

There are an infinite number of solutions given the information you provided. For every real value of x there will be a corresponding real value of y.

y=5x+7 Has not restriction upon the domain or range...

What is the value of y? 5x+7

8 0

3 years ago

Read 2 more answers

1) WET SURPRISE A water balloon is launched off of a patio. The path of the water

mart [117]

The function of the water balloon is an illustration of a quadratic function.

The balloon will splat on the ground after 2.5 seconds

The function is given as:

$h(t) = -6t^2 + 13t + 5$

When the balloon splats on the ground, the value of h(t) is 0.

So, we have:

$-6t^2 + 13t + 5 = 0$

Expand the expression

$-6t^2 + 15t- 2t + 5 = 0$

Factorize the above expression

$-3t(2t - 5)- 1(2t - 5 )= 0$

Factor out 2t - 5 in the 2t - 5

$(-3t - 1)(2t - 5 )= 0$

Split the equation into 2

$-3t - 1 = 0\ or\ 2t - 5= 0$

Rewrite as:

$-3t = 1\ or\ 2t = 5$

Solve for t

$t = -\frac 13\ or\ t = \frac 52$

The value of t cannot be less than 0 i.e. negative.

So, we have

$t = \frac 52$

Divide 5 by 2

$t = 2.5$

Hence, the balloon will splat on the ground after 2.5 seconds

Read more about quadratic functions at:

brainly.com/question/11631534

6 0

3 years ago