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butalik [34]
2 years ago
15

Ill give brainly pls help

Mathematics
2 answers:
STatiana [176]2 years ago
5 0

a) 4.4a + 2.2c

yarga [219]2 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

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Sonya and Jade are traveling from Barcelona to Madrid. They are deciding
postnew [5]

Answer:

6

Step-by-step explanation:

Step 1:Multiply the different transportation by the different times.

8 0
3 years ago
The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal l
stiv31 [10]

Answer:

See answer below

Step-by-step explanation:

the ratio of pv against nrt is called compressibility Z and measures the deviation from an ideal gas behaviour . When Z is plotted against pressure for CH₄ for 0°C and 200°C the curves will differ because there are

- negative deviations ( Z decreases) due to intermolecular forces

- positive deviations (Z increases ) due to molecular size of gas particles

then

- at 0°C the negative deviations prevail  respect to positive deviations at lower pressures ( so Z drops below the horizontal line first ) and then Z increases when pressure increases since the effect of positive deviation is higher ( then Z increases)

- Nevertheless, at 200°C the effect of intermolecular forces is lower and thus the positive deviations always prevail ( thus you observe only Z increasing(

3 0
4 years ago
Use the distributive property to find the product
dalvyx [7]

Answer:

1st one: -24a-6b-36c

2nd one: 14mn-12m

Step-by-step explanation:

1st one: Multiply '-6' w/ '4a', 'b', and '6c'

2nd one: Multiply '2m' w/ '7n' and '-6'

6 0
3 years ago
Read 2 more answers
Simplify 3xy + x 2 - 4xy + 2xupper2y​
densk [106]
The answer is X^2-xy+2x^2y sorry if I am wrong
6 0
3 years ago
paul bought a soft and a sandwich for 9.90. what equation may be used to find the price of each item if the sandwich cost 3.5 ti
irina [24]

So, let's say the soft drink equals y and the sandwich equals x.

x + y = 9.9

The sandwich costs 3.5 times as much as the soft drink

x = 3.5y

Therefore, we can replace x with 3.5y since they're the same thing

3.5y + y = 9.9  <-- That's the equation :)


3 0
3 years ago
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