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2 years ago

Please help me find the values of a and b so that the system shown had the given solution

Mathematics

1 answer:

Harman [31]2 years ago

4 0

You could just put 0 for a and b.

It would work.

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(9.1 × 109)(7.5 × 102) What is the exponent of the power in scientific notation?

sergejj [24]

Answer:

= The exponent is 12

Step-by-step explanation:

(9.1 × 10^9)(7.5 × 10^2)

When multiplying terms in scientific notation, we multiply the numbers in front and add the exponents

(a* 10^b) (c* 10^d) = ac * 10^(b+d)

(9.1 × 10^9)(7.5 × 10^2) = (9.1*7.5) * 10^(9+2)

=68.25 * 10^11

But this is not proper scientific notation. We can only have 1 number in front of the decimal. We need to move the decimal 1 place to the right. That adds 1 to the exponent.

=68.25 * 10^11 = 6.825 * 10^(11+1)

= 6.825 * 10^12

5 0

3 years ago

Read 2 more answers

Convert 4x=1+2y from standard form to slope intercept form

gregori [183]

Answer:

3x=2y

Step-by-step explanation:

subtract on from each side 4x-1=1-1+2y=3x+2y

7 0

3 years ago

Find the zeros of the following<br> please solve step by step<br> 1. x³+9x²+26x+24=0

Vlad1618 [11]

Answer: -4, -3, -2

Step-by-step explanation:

By inspection, we know $x=-2$ is a root.

We can thus rewrite the equation as

$(x+2)\left(\frac{x^3 + 9x^2 + 26x+24}{x+2} \right)=0\\\\(x+2)(x^2 + 7x+12)=0\\\\(x+2)(x+3)(x+4)=0\\\\x=-4, -3, -2$

3 0

1 year ago

Write an equation in standard form that is perpendicular to x-4y=-6 and goes through (3, -6)

elena-s [515]

Answer:

3-6

Step-by-step explanation:

because the distributive property

6 0

3 years ago

Michelle is building a rectangular landing strip for airplanes .She has material to cover 1/1,500 of a square mile. The landing

ANEK [815]

I think that the missing word here is:
"with the amount of the material that Michelle has"

Let's say that her landing strip is x miles long, then its area would be:

$\frac{1}{6} *x$

We also know how big it is:

$\frac{1}{6} *x= \frac{1}{1 500}$

now, let's multiply both sides by 6:
$\frac{6}{6} *x= \frac{6}{1 500}$
$1 *x= \frac{3}{750}$
$x= \frac{1}{250}$

So the answer is that it would be $x= \frac{1}{250}$ miles wide

3 0

3 years ago