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3 years ago

My brain isn't working today, help me out pls :)

Mathematics

2 answers:

Artyom0805 [142]3 years ago

6 0

Answer:

y=-2x+3

Step-by-step explanation:

hope this helps

Inessa05 [86]3 years ago

3 0

Answer:

y = -2x + 3

Step-by-step explanation:

So you want to put it in the form y = mx + b where m is the slope and b is the y-intercept (an example of an equation in this form is y = 2x + 1).

It tells you that the slope is -2 and the y-intercept is at y = 3, so the equation would be:

y = -2x + 3

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A window that is in the shape of a semicircle has a diameter of 28inches. find the area of the window. Round to the nearest tent

Vanyuwa [196]

20 is your answer if you are rounding to your nearest tenth

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4 years ago

A bag contains 3 red marbles, 7 blue marbles, and 2 green marbles. What is the probability of choosing a blue marble when one ma

Hitman42 [59]

Answer:

7/12

Step-by-step explanation:

To find the probability of drawing a blue marble you need to find how many marbles there are in total.

So you have to add 3 red marbles, 7 blue marbles, and 2 green marbles to get the total.

So 3 + 7 + 2 = 12

There are 12 marbles in total so now you have to find how many blue marbles there are.

There are 7 blue marbles out of 12 marbles.

Now you have to put this as a fraction to see if it can be simplified.

7/12 cant be simplified, so the probability of drawing a blue marble is 7/12.

8 0

3 years ago

A grocery store sells a six pack of bottled water for 3.79 a nine pack or four. 50 and a 12 pack for 6.89 which package cost the

tatiyna

The 6 pack worth 3.79 costs $0.63 cents each bottle. The 9 pack for 4 is worth $0.50 cents the bottle. And the last on is worth $0.57 meaning the 9 pack for 4.50 costs the least per bottle.

7 0

3 years ago

Gobe weighs 53.6 kg. he wears shoes which weigh 450 gm and carries a school bag weighing 4.5 kg. if he stands on the scales in h

-Dominant- [34]

Answer:

The key to this question is converting all the mass units to the same unit and adding them all up.

The only value that isn't consistent with the other units is 450 gm or grams.

Recall that 1 gram is equal to 0.001 kilo grams. So if you want to convert grams to kilograms you would multiply that amount by 0.001 or 1/1000

$450gm * \frac{1}{1000} = 0.45kg$

Now let's add up all the masses.

$53.6kg + 0.45kg + 4.5kg = 58.55 kg\\$

(Now a few footnotes here, that I considered but wasn't sure about. The answer asks for weight, but you're only given mass to work with. That would be fine, if the question asked you to convert it to SI weight units like Newtons, but there's no mention of that. And also I'm not sure if the question requires significant digits. But I'll continue the answer if you think so)

To convert this into weight in Newtons, multiply by 9.81 m/s^2

$58.55kg*9.81m/s^2 = 574.3755 N\\\\= 5.7 * 10^2 N$

6 0

3 years ago

Please help me out!!!!!!!!!!

SOVA2 [1]

4(3)^2-3(3)+7
36-9+7
34
g(3)=34

8 0

3 years ago