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3 years ago

How do you solve this

Mathematics

1 answer:

Nezavi [6.7K]3 years ago

5 0

Answer:

this is how u solve this

Step-by-step explanation:

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Write the number 4.2 x 10^2 in standard form.

Sav [38]

Answer:

420 (lol)

Step-by-step explanation:

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4 years ago

What is the sum of 8 and a number?

miskamm [114]

" the sum " means add

the sum of 8 and a number...

8 + n <== ur expression

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3 years ago

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Find the equation of the line that is parallel to 4x - 8y equals 9 and passes through (-3, 6)

vazorg [7]

For this case we have the following equation:

$4x-8y = 9$

We manipulate algebraically to bring the equation to the slope-intersection form y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

$8y = 4x-9\\y =\frac {4} {8} x- \frac {9} {8}\\y =\frac {1} {2} x- \frac {9} {8}$

By definition, if two lines are parallel then their slopes are equal.

Thus, the line is of the form:

$y = \frac {1} {2} x + b$

We find the cut-off point by replacing the given point:

$6 = \frac {1} {2} (- 3) + b\\6 = - \frac {3} {2} + b\\b = 6 + \frac {3} {2}\\b = \frac {12 + 3} {2}\\b = \frac {15} {2}$

Thus, the line is of the form:

$y = \frac {1} {2} x + \frac {15} {2}$

Answer:

$y = \frac {1} {2} x + \frac {15} {2}$

6 0

3 years ago

−3−3/4(c−4)=5/4 anser for c offering brainlyest in the next ten minutes

Anna007 [38]

Answer:

okay so it is −

−

⋅

(

−

)

−

(

−

)

Step-by-step explanation:

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3 years ago

Van has a 40% chance of being selected as president of the school sports club and a 70% chance of being elected editor of the sc

Debora [2.8K]

will be selected as president of the sports club (and) will also be elected editor of the school magazine
you can see the ( and ) it means intersect
so
 president of the sports club ∩ editor of the school magazine
= .7 * .4 = .28

6 0

3 years ago

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