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3 years ago

What is another way to write 509.67

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

6 0

You could write it as a fraction so multiply by 10 to get rid of the decimal and put it by 10.
So 50967/10

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What should A and B equal? marking brainliest for correct answer!!

Rzqust [24]

Answer:

$a = 5$

$b = - 3$

Step-by-step explanation:

Let set up the equation

${2}^{ - 3} \times {a}^{ - 3} = {10}^{b}$

First, let solve for a.

Since our product base is 10 and one of our factor base is 2. We need to find a number to multiply 2 by to get 10.

$2 \times a = 10$

$a = \frac{10}{2}$

$a = 5$

Let replace a in the equation,

${2}^{ - 3} \times {5}^{ - 3} = {10}^{b}$

Using the rule that if two exponet have the same power but different bases, we multiply the bases and keep the same power.

We already multiplied the bases.

The power stay the same so b=-3

4 0

3 years ago

The average price of a certain type of coffee worldwide was $0.51 per pound in 2008. The

zaharov [31]

Answer:

The graph is attached

Step-by-step explanation:

The graph that will represent the relationship between t years after 2008, and the price P per pound will have some characteristics that we can identify.

In 2008, i.e at t= 0, P = 0.51; this means the y-intercept is 0.51.

The coffee price is increasing by 0.18 every year; the slope is 0.18.

Thus we have the equation

$P =0.18t+0.51$

the graph of which is attached.

3 0

4 years ago

Read 2 more answers

I need help asap, please ! 5+(−3)(6x−5) simplify this

timofeeve [1]

Answer: -18x+20

Step-by-step explanation:

5+(−3)(6x−5)

=5+(−3)(6x−5)

=5-18x+15

=-18x+20

3 0

3 years ago

A negative number is 42 less than it’s square.

marissa [1.9K]

Answer:

Let x = the number

A negative number is 42 less than its square ⇒

x = x2 - 42

x2 - x - 42 = 0

(x - 7)(x + 6) = 0

x = 7 or -6

But since it is given that x is negative, the final answer is x = -6.

4 0

3 years ago

Given f(x)=2x+1 find the value of k so that the graph is f(x)+k

luda_lava [24]

Where's the graph? Insufficient info here to enable us to answer this question.
If possible take a photo of the original problem and upload the image to Brainly.

8 0

3 years ago