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Umnica [9.8K]
3 years ago
13

A small hole in the wing of a space shuttle requires a 20.7 cmଶ patch. What is the patch’s area in square kilometers (kmଶ )? If

the patching material costs NASA $3.25 inଶ ⁄ , what is the cost of the patch?
Mathematics
1 answer:
Reptile [31]3 years ago
3 0

Answer:

look it up

Step-by-step explanation:

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3 years ago
Which equation represents a line which a perpendicular to the line y=4x-7?​
jasenka [17]

Answer:

-1/4

Step-by-step explanation:

The slope-intercept form is  y = m x+b ,

where  m  is the slope and  b  is the y-intercept.

y = m x + b

Using the slope-intercept form, the slope is  4.

4  m = 4

The equation of a perpendicular line to  

y = 4 x - 7

must have a slope that is the negative reciprocal of the original slope.

− 1 /4

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2 years ago
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7 0
3 years ago
Need help with semester homework is bout to end
Savatey [412]
To find the correct polynomial, we can use the answers to help us out. The middle variable must be the sum of +2 and another number; the last number in the equation must be the product of +2 and the other number.
Knowing this information, we can use the process of elimination to find the exact polynomial that contains the factor (3x + 2).

A) This can't be it because to get -x as the middle variable, you would need to add -3 and +2. However, -3 x +2 doesn't equal -4.

B) This equation isn't the right one because to get +8 you need to add +6 + 2. However, the product of these two isn't -8.

C) Can't be correct because +2 and -7 = -5, but 2 x -7 = -14...not -9.

D) Is the correct answer because you can add 2 and -1 to get +1. (There is an understood +1 in front of the x in the equation.) The product of 2 and -1 equals -2, which happens to be the last number inside this equation. Therefore, this (D) is the correct answer choice.

Hope I could help you out! If my math is incorrect, or I didn't provide the answer you were looking for, please let me know. However, if the answer was correct and well explained, please consider marking it <em>Brainliest</em>.

Have a good one!
God bless.
6 0
3 years ago
In a city the population is increasing exponentially at a rate of 1.6% per year.
SCORPION-xisa [38]

Answer:

37.36%

Step-by-step explanation:

Each year it increases 1.6%.

So year 1 it increases (1+1.6%), year 2 increases (1+1.6%)^2 and so on...

so after 20 years, overall increase is found by 1.016^20 = 1.3736 or increase of 37.36%

please give thanks :)

3 0
2 years ago
Read 2 more answers
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