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mote1985 [20]
4 years ago
6

Can u help me plz ?

Mathematics
1 answer:
natita [175]4 years ago
8 0

Answer:

82 grams

Step-by-step explanation:

each rubber band weighs 3 grams because when 2 bands were added to 88 grams it went up 6 grams and six divided by 2 equals 3.

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Write and equation in slope-intercept form of the line with slope -1/2 that contains the point (-4,-3)
Karolina [17]

Answer:

y=-1/2x-5

Step-by-step explanation:

Well we know that the slope is -1/2 so we can write the equation like this:

y=-1/2x+b (This is because of y=mx+b) (m is slope) (b is y-intercept)

Now we can replace the y and x with -4 and -3 because of (x,y). (-4,-3) x is -4 and y is -3

-3=-1/2(-4)+b

-3=2+b

Subtract 2 on both side:

-2-3=2-2+b

-5=b

Answer:

y=-1/2x-5

Hope this helps!

6 0
3 years ago
For five days Vicki recorded the temperature outside. The temperature (°F) was 36.9°, 34.6°, 37°, 40.2°, 32.8°. About what was t
iren2701 [21]
Take all the temperatures and add them together then divide that by five and you get  36.3 

So the answer is 36.3
7 0
3 years ago
Read 2 more answers
Cinderella made many new friends at the castle. After asking her fairy godmother to help, she invited her friends to go on a pic
Sergio [31]

Answer:

¿Qué tipo de trabajo estás haciendo?

Step-by-step explanation:

3 0
3 years ago
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What is the solution of -8 / 2 y - 8 equals 5 / y + 4 - 7 y + 8 / Y 2 - 16​
AysviL [449]

Answer:

The value of y is 6.

Step-by-step explanation:

The given equation is

\dfrac{-8}{2y-8}=\dfrac{5}{y+4}-\dfrac{7y+8}{y^2-16}

It can be rewritten as

\dfrac{-8}{2(y-4)}=\dfrac{5}{y+4}+\dfrac{7y+8}{y^2-4^2}

\dfrac{-4}{(y-4)}=\dfrac{5}{y+4}+\dfrac{7y+8}{(y+4)(y-4)}

Multiply both sides by (y+4)(y-4).

(y+4)(y-4)(\dfrac{-4}{(y-4)})=(y+4)(y-4)(\dfrac{5}{y+4})+(y+4)(y-4)(\dfrac{7y+8}{(y+4)(y-4)})

(y+4)(-4)=(y-4)(5)+7y+8

-4y-16=5y-20-(7y+8)

-4y-16=5y-20-7y-8

-4y-16=-2y-28

-4y+2y=-28+16

-2y=-12

Divide both sides by -2.

y=6

Therefore, the value of y is 6.

5 0
3 years ago
The classes at the middle school want to raise money. The sixth grade runs a bake sale for 55 hours and makes $170. The seventh
ANEK [815]
The 8th grade does. All you do is divide each number by the amount of hours worked. So 6th grade 170/55 7th 112/4 and 8th 192/6
In the end its 6th= 3 dollars an hour 7th= 28 dolars an hour and 8th gets 32dollars an hour so they have the highest rate
7 0
3 years ago
Read 2 more answers
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