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3 years ago

Which of the following starts with a contradiction of what you are trying to prove?

Mathematics

1 answer:

Juliette [100K]3 years ago

4 0

C is the answer

Hope this helps!

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A loan worth $1000 collects simple interest each year for 6 years. At the end of that time, a total of $1270 is paid back. Deter

Korolek [52]

Answer:

The percentage rate is 4.5%

Step-by-step explanation:

The simple interest earned in this situation is $1270 - $1000, or $270.

the simple interest formula is i =prt.

Here, i = $270 = ($1000)(r)(6 yr).

$270

Then r = ------------------- = 0.045

$1000(6 yr)

The percentage rate is 4.5%

5 0

3 years ago

Compute a value for t that satisfies the equation below. "-2/3" t - 2 = - 3

Dima020 [189]

Answer:

t = 3/2

Step-by-step explanation:

Instead of randomly guessing values of "t" that will satisfy the equation, you can easily find the correct value by solving the equation in terms of "t". In other words, you can set the equation equal to "t" to find the final answer.

(-2/3)t - 2 = -3 <----- Original equation

(-2/3)t = -1 <----- Add 2 to both sides

t = 3/2 <----- Divide both sides by -2/3

You can check this value by plugging it into "t" and determining whether both sides of the equations will be equal.

(-2/3)t - 2 = -3 <----- Original equation

(-2/3)(3/2) - 2 = -3 <----- Plug 3/2 into "t"

-6/6 - 2 = -3 <----- Multiply -2/3 and 3/2

-1 - 2 = -3 <----- Simplify -6/6

-3 = -3 <----- Subtract

6 0

2 years ago

I can't figure this out and didn't see it on brainly, pls help

ch4aika [34]

Answer:

it's 8

Step-by-step explanation:

(10×1/5)^3=2^3=8

6 0

2 years ago

Read 2 more answers

What two numbers add to 13 but multiply to negative 12?

Phoenix [80]

9514 1404 393

Answer:

13.8654599313 and -0.8654599313

Step-by-step explanation:

If one of the numbers is x, then the other is 13-x, and their product is ...

x(13 -x) = -12

x^2 -13x = 12 . . . . multiply by -1 and simplify

x^2 -13x +6.5^2 = 12 +6.5^2 . . . . complete the square

(x -6.5)^2 = 54.25

x -6.5 = √54.25

x = 6.5 +√54.25 ≈ 13.8654599313

and the other number is ...

13 -x = 13 -13.8654599313 = -0.8654599313

The two numbers are 13.8654599313 and -0.8654599313.

3 0

2 years ago

Your class hopes to collect at least 325 cans of food for the annual food drive. there were 135 cans donated the first week and

vampirchik [111]

They have collected $135+89=224$ cans until now. To equal 325, they need $325-224=101$ cans more.

Let C be the number needed to equate atleast 325.

$135+89+C\geq 325$

If we solve the inequality in part A, we can find minimum number of C to meet the goal of 325 cans.

$135+89+C\geq 325\\224+C\geq325\\C\geq325-224\\C\geq101$

<em>So they need minimum 101 to complete the target and more than that to surpass.</em>

ANSWER: 101 cans are needed to meet the goal and more than that to surpass the goal.

5 0

3 years ago