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forsale [732]
3 years ago
15

Please help I don't exactly understand

Mathematics
1 answer:
tigry1 [53]3 years ago
7 0
The third one because square root of 13 is 3.606. 
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The temperature, T , of a given mass of gas varies inversely with its volume, V . The temperature of a certain gas with volume o
alekssr [168]
We know that

if t<span>he temperature T of a given mass of gas varies inversely with its volume V 
</span>then
T=k/V

Step 1
Find the value of k
for T=30º C and V=105 cm³
we have 
T=k/V--------> k=T*V--------> k=30*105=3150 °C*cm³

therefore
for V=84 cm³
T=3150/84=37.5 °C

the answer is 37.5 °C
3 0
3 years ago
Round to the nearest whole number 7.71
Mrac [35]
8 because 7 is closer to 5 so you round up
6 0
3 years ago
The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
azamat

Answer:

(look in the the Step by step)

Step-by-step explanation:

When the diagonals of a quadrilateral are perpendicular, the area of that quadrilateral is half the product of their lengths.

.. A = (1/2)*d₁*d₂

Substituting the given information, this becomes

.. 58 in² = (1/2)*(14.5 in)*d₂

.. 2*58/14.5 in = d₂ = 8 in

The length of diagonal BD is 8 in.

4 0
3 years ago
Solve for rate in the following application problem. A company reports that office income last month was ​$315,400​, while adver
icang [17]

Answer:

6.8%

Step-by-step explanation:

\frac{21447.20}{315400}  When you divide this, you get 0.068.  This is in decimal form.  To change to a percent move the decimal to places to the right 6.8%

8 0
2 years ago
I need help or im gonna fail
dem82 [27]

Answer:

1) 4:7

2) 3:1

3) $0.50 per ounce

4) 7.5 degrees per hour

5) 61 mils per hour

6) 30 pounds per box

7) $1.89 per notebook

8)

a. 3 centerpieces for party per hour

b. 14 hours

5 0
3 years ago
Read 2 more answers
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