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skelet666 [1.2K]
3 years ago
8

Add -4g^2+(-8g^2+7h)

Mathematics
1 answer:
Kitty [74]3 years ago
5 0

Answer:

-12g^2+7h

Step-by-step explanation:

= −4g^2+−8g^2+7h

= (−4g^2+−8g^2)+(7h)

= −12g^2+7h

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A science fair poster is a rectangle 46 inches long and 36 inches wide. What is the area of the poster in square feet?
Aleksandr-060686 [28]

Hello,

46 × 36 = 1 656 inches²

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6 0
4 years ago
0.2 with an exponent of 4
MakcuM [25]

Answer:

0.0016

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Vanessa earns a base salary of $400 every week with an additional 5% commission on everything she sells. Vanessa sold $1850 wort
lys-0071 [83]

Answer:

$492.50

Step-by-step explanation:

To start off, we already know that Vanessa makes at least $400 every week. What we don't know is how much Vanessa makes from her 5% commission on what she sells.

To solve for that, we need to find what 5% of $1,850 is. This can be done by multiplying $1,850 by 5%. Remember, we need to change 5% into its decimal form (5% -> \frac{5}{100} -> 0.05).

$1,850 x 0.05 = $92.5

This means that Vanessa made $92.5 off of commissions last week. The last step is to add her base salary of $400 to her commission sales and we get our final answer.

$400 + $92.5 = $492.50

Vanessa's total pay last week was $492.50

6 0
3 years ago
Through: (-5, 5), perp. to y = 5/9x - 4
zysi [14]

Answer:

y=-\frac{9}{5}x-4

Step-by-step explanation:

<u><em>The complete question is:</em></u>

Find the equation of the line that passes through: (-5, 5), and is perpendicular to the line y = 5/9x - 4

step 1

Find the slope of the line

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

The equation of the given line is

y=\frac{5}{9}x-4

The slope of the given line is

m_1=\frac{5}{9}

The opposite reciprocal is equal to

m_2=-\frac{9}{5} ----> slope of the perpendicular line

step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=-\frac{9}{5}

point\ (-5,5)

substitute

y-5=-\frac{9}{5}(x+5)

step 3

Convert to slope intercept form

Isolate the variable y

y-5=-\frac{9}{5}(x+5)\\\\y-5=-\frac{9}{5}x-9\\\\y=-\frac{9}{5}x-9+5\\\\y=-\frac{9}{5}x-4

6 0
4 years ago
zarichary gives a bucket of 12 water balloons to each team in the contest .In all, he gives out 48 balloons which equation can b
makvit [3.9K]

12t = 48 \\ t = 4

There are 4 teams in the contest.

Hope this helps. - M
8 0
4 years ago
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