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White raven [17]

4 years ago

15

This is absolutely hard please help

1 answer:

DENIUS [597]4 years ago

8 0

Given:

I = 1890

P = 7000

T = 6 years

1890 = 7000 x r x 6

1890 = 42000 * r

r = 1890 / 42000

r = 0.045 = 4.5%

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The sum of two numbers is 12. The product of those same two numbers is -64. Find the numbers

sveta [45]

Let the first number be x
let the second number be y
therefore, x+y=12........1
and x×y=-64................2
factors of 64 include
1 and 64,
2 and 32,
4 and 16
here we find out that 16+-4=12 and that 16×-4=-64
∴, x=16
and y=-4
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8 0

4 years ago

Read 2 more answers

KA AGAIN ( 2 pdfs)<br> correct answers only

Reil [10]

Answer:

B

Step-by-step explanation:

To find the constant of proportionality between y and x, divide $\frac{y}{x}$ for all given values of the chart. If you get the same number, then that is the constant. If they are all different numbers, then one does not exist for that function.

Using the method above, you should get:

Chart A = 2/5

Chart B = 1/5 (Correct Answer!)

Chart C = N/A

Hope this helps!

4 0

2 years ago

Read 2 more answers

In Exercise, evaluate each expression.<br> 643/4

Goshia [24]

Answer:

$\\ 64^{\frac{3}{4}} = 16\sqrt{2}$

Step-by-step explanation:

We need here to remember that:

$\\{(x^{a})}^{b} = x^{a * b}$

$\\{x^{a} * x^{b} = x^{a + b}$

Then,

$\\ 64^{\frac{3}{4}} = {(8^{2})}^{(\frac{3}{4})} = {{(2^{3})}^{2}}^\frac{3}{4}$

$\\ 64^{\frac{3}{4}} = {{2^{3}}^2}^\frac{3}{4} = 2^\frac{3*2*3}{4}$

$\\ 64^{\frac{3}{4}} = 2^\frac{2*3*3}{4} = 2^\frac{3*3}{2} = 2^\frac{9}{2}$

$\\ 64^{\frac{3}{4}} = 2^{\frac{9}{2}}$

Since $\\ \frac{9}{2} = \frac{4}{2} + \frac{4}{2} + \frac{1}{2}$

$\\ 64^{\frac{3}{4}} = 2^{\frac{9}{2}} = {2^{(\frac{4}{2} + \frac{4}{2} + \frac{1}{2})}$

$\\ 64^{\frac{3}{4}} = 2^{\frac{4}{2}} * 2^{\frac{4}{2}} * {2}^{\frac{1}{2}$

$\\ 64^{\frac{3}{4}} = 2^{2} * 2^{2} * {2}^{\frac{1}{2}$

$\\ 64^{\frac{3}{4}} = 4 * 4 * \sqrt{2} = 16 \sqrt{2}$

5 0

3 years ago

How do you add two negative decimals together?.

Elodia [21]

Answer:

-and a -= a positive

Step-by-step explanation:

-8+-9=19

4 0

3 years ago

Ronch [10]

Kg to Pounds

8.3 kg in ponds is 18.26 lb

Kg to Ounces

8.3 kg in ounces is 292.16 oz

Step-by-step explanation:

We need to convert 8.3 kg to pounds and ounces

The conversion ratio is:

1 lb = 16 oz
1 kg = 2.2 lb

Converting kg to pounds(lb)

We know 1 kg = 2.2 lb

So, 8.3 kg = 8.3*2.2 lb

8.3 kg = 18.26 lb

So, 8.3 kg in ponds is 18.26 lb

Converting kg to ounces (oz)

We know that: 1 lb = 16 oz

We have converted 8.3 kg into 18.26 lb (pounds)

So, 1 lb = 16 oz

18.26 lb = 18.26*16 oz

18.26 lb =292.16 oz(ounces)

So, 8.3 kg in ounces is 292.16 oz

Keywords: Conversion of units

Learn more about Conversion of units at:

#learnwithBrainly

8 0

4 years ago