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Karolina [17]
3 years ago
5

Answer my question and ill give u brainliest also gimme reason AND NO SPAMS

Mathematics
2 answers:
tangare [24]3 years ago
6 0

Answer:

andkjashfqweulkjas,hfcnqilaksjlhfndciwqkaszxhdkajszxhncksazxl'f/gbj,hk;dslxhmnfjd.SAKZFHJVWENKSDJXCHCBESDJXHCBILKJSXN

Step-by-step explanation:

hope this helps!

Andre45 [30]3 years ago
3 0

Answer:

5:9

Explanation:

20 students prefer soccer, and there is 36 students in the classroom.

20:36

And then simplify by four on both sides.

5:9

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What is the distance between points (7,8) and (-8,0) on coordinate grid ?
pickupchik [31]
Distance formula is SquareRoot of (x2-x1)^2 + (y2-y1)^2
= SQRT( (8-0)^2 + (-8-7)^2 )
=SQRT(64 +225)
=SQRT(289)
= 17
6 0
2 years ago
Read 2 more answers
Plz help me asap i need help plz i will mark you as brainlist
geniusboy [140]

Answer:

the third one

6 0
2 years ago
Under certain conditions the pressure of a gas varies directly with the temperature. When the pressure is 900 psi, the temperatu
Crank

Answer:

180psi

Step-by-step explanation:

Step one:

given data

P1= 900 psi

T1= 350°C

P2=?

T2=70°C

Required

The final pressure P2

<em>Gay-Lussac's Law: The Pressure Temperature Law. This law states that the pressure of a given amount of gas held at constant volume is directly proportional to the Kelvin temperature. With an increase in temperature, the pressure will go up</em>

Applying the expression

P1/T1= P2/T2

substitute:

900/350= P2/70

2.57=P2/70

cross multiply

P2= 2.57*70

P2=180psi

8 0
2 years ago
45 points for first most detailed / accurate answer:
Bas_tet [7]
A.) Since there are no restrictions as to the dimensions of the candle except that their volumes must equal 1 cubic foot and that each must be a cylinder, we have the freedom to decide the candles' dimensions. 

I decided to have the candles equal in volume. So, 1 cubic foot divided by 8 gives us 0.125 cubic foot, 216 in cubic inches.

With each candle having a volume of 216 cubic inches, I assign a radius to each: 0.5 in, 1.0 in, 1.5 in, 2.0 in, 2.5 in, 3.0 in, 3.5 in, and 4.0 in. Then, using the formula of the volume of a cylinder, which is:

V=pi(r^2)(h)

we then solve the corresponding height per candle. Let us let the value of pi be 3.14.

Hence, we will have the following heights (expressed to the nearest hundredths) for each of the radius: for 

r=2.5 in: h=11.01 in
r=3.0 in: h= 7.64 in
r=3.5 in: h= 5.62 in
r=4.0 in: h= 4.30 in
r=4.5 in: h= 3.40 in
r=5.0 in: h= 2.75 in
r=5.5 in: h= 2.27 in
r=6.0 in: h= 1.91 in

b. each candle should sell for $15.00 each

($20+$100)/8=$15.00

c. yes, because the candles are priced according to the volume of wax used to make them, which in this case, is just the same for all sizes
7 0
2 years ago
Please help giving all my points
Kay [80]

Answer:

Step-by-step explanation:

1. Subtraction

2.multiplication

6 0
3 years ago
Read 2 more answers
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