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3 years ago

-x-2y=-10 how do i find three points that solve the equation. Graphing linear equations

Mathematics

1 answer:

scoray [572]3 years ago

7 0

Your answer is any numbers that complete the equation.

The first number would be the x, the second number would by y

If you plug those numbers in, the fulfill the equation.

There is an infinite number of solutions to this problem

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A red, a green, and a pink backback are hanging on hooks in the ckassroom. The total weight of the three backpacks is 32 pounds.

Savatey [412]

We know there are 3 backpacks. So when we add the known values 9 3/4 and 1 3/4, we get 11 1/2. So 32- 11 1/2 will give you the pink backpack weight which is 20 and 1/2 pounds.

8 0

4 years ago

In how many year the interest will became equal to the principal is rs.1200 is deposited at the rate of 25% in a bank

mrs_skeptik [129]

Given:

Principal = Rs. 1200

Rate of interest = 25%

To find:

The time in which the interest will became equal to the principal.

Solution:

We have,

$P=1200$

$r=\dfrac{25}{100}$

$r=0.25$

If interest is equal to the principal, then

$Amount=Principal+Interest$

$Amount=1200+1200$

$Amount=2400$

The formula for amount is:

$A=P\left(1+r)^n$

Substituting $A=2400, P=1200, r=0.25$ in the above formula, we get

$2400=1200(1+0.25)^n$

$\dfrac{2400}{1200}=(1.25)^n$

$2=(1.25)^n$

Taking log on both sides, we get

$\log2=\log(1.25)^n$

$\log2=n\log(1.25)$ $[\because \log a^b=b\log a]$

$\dfrac{\log2}{\log(1.25)}=n$

$n\approx 3.11$

Therefore, the interest will became equal to the principal in about 3.11 years.

4 0

3 years ago

60 POINTS PLEASE SEND ME A COMPLETED COPY OF THIS "linear functions worksheet: child's growth and prosperity

Lady bird [3.3K]

Answer:

give it to me now and then I'll do it

6 0

3 years ago

Read 2 more answers

Jake had 17 toy cars. He gave Dan and Andy each the same number of toy cars. Now Jake has five toy cars. How many toy cars did h

andrew-mc [135]

Answer:

Each friend got 6 cars each

Step-by-step explanation:

17-5= 12 cars

He gave 12 cars away.

Since there are 2 friends, you divide the cars given away by 2, hence

12/2= 6

3 0

3 years ago

11) The function: f(x)= x^2 – 2x + 3 belongs to<br> which family of functions?

Dmitrij [34]

Answer:

i believe a quadratic function

Step-by-step explanation:

quadratics are when an equation is x^2 so yeah (sorry if thats not what it's asking)

7 0

3 years ago