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just olya [345]

2 years ago

7

Write 615000 in scientific notation

1 answer:

lianna [129]2 years ago

4 0

Answer:

6.15 × 10⁵

Step-by-step explanation:

When converting a number of scientific notation, we need to move the decimal point until the number is greater than 1 and less than 10, then multiply this by 10 to the power of the number of places we moved the decimal point (negative when moving it forwards, positive when moving it backwards).

Therefore, 615000 = 6.15 × 10⁵

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7+2x/3=5 .............

borishaifa [10]

Answer:

x= -3

Step-by-step explanation:

7 + 2x/3 = 5

Subtract 7 from both sides,

2x/3 = 5-7

2x/3 = -2

Multiply by 3,

2x = -2*3

Divide by 2,

x = -2*3 / 2

x = -3

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3 years ago

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ser-zykov [4K]

Answer:

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3 years ago

3. Rewrite -2x + 3y = 6 in slope intercept form.

zaharov [31]

The equation in slope-intercept form is:

$y=\frac{2}{3}x+2$

Further explanation:

The standard slope-intercept form is:

$y=mx+b$

Given equation is:

$-2x+3y=6$

In order to bring the equation in slope-intercept form we have to isolate y on left hand side of equation

So,

<u>Adding 2x on both sides</u>

$-2x+3y+2x=6+2x\\3y=2x+6$

<u>Dividing both sides by 3</u>

$\frac{3y}{3}=\frac{2x+6}{3}\\y=\frac{2x+6}{3}$

<u>Simplifying</u>

$y=\frac{2x+6}{3}\\y = \frac{2x}{3}+\frac{6}{3}\\y=\frac{2}{3}x+2$

The equation in slope-intercept form is:

$y=\frac{2}{3}x+2$

Keywords: Slope-intercept form, linear equation

Learn more about slope-intercept form at:

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3 years ago

A number that will exceed the unknown number<br> by <br> 5

lora16 [44]

Step-by-step explanation:

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3 years ago

Miss Hudspeth has a supply of 30% alcohol solution and a supply of 50% alcohol solution. How much of each solution should she mi

Vikki [24]

Um id say 20% of the 30% solution and 14% of the 50 % i think, does it give you answer choices?

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3 years ago