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kifflom [539]
3 years ago
10

Humberto evaluates the expression 4t² for t=3. what is the answer??

Mathematics
1 answer:
Artist 52 [7]3 years ago
7 0
4t<span>²
= 4(3)</span><span>²
= 4 x 9 
= 36</span>
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1/5 - 2/15 ×1/5 - 2/15​
ValentinkaMS [17]

Answer:

1 /25.

Step-by-step explanation:

Using order of operations, we perform the multiplication first:

1/5 - 2/15 × 1/5 - 2/15​

= 1/5 - 2/75 - 2/15            LCD of 5, 15 and 75 is 75 so we have:

15/75 - 2/75 - 10/75

= 13/75 - 10/75 =  3/75

= 1 /25 (answer).

4 0
3 years ago
What is the percentage change of 50 to 35 pounds
Artist 52 [7]
30%
hope I helped you with this       
4 0
3 years ago
Answer the right question
SVETLANKA909090 [29]

Answer:

ok

Step-by-step explanation:

3 0
3 years ago
For a fixed amount of a gas at a constant temperature, the volume of the gas is inversely proportional to its pressure. At a pre
Veronika [31]

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form y*x=k or y=k/x

Let

x-------> the pressure in PSI

y------> the volume of the gas in cubic inches

In this problem we have the point (30,600)

so

x=30\ psi\\y=600\ in^{3}

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y*x=k

substitute the values of x and y

600*30=k

k=18,000\ lb*in

the equation is

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therefore

<u>the answer is</u>

y=18,000/x

4 0
3 years ago
Read 2 more answers
What prime factor is common to 35, 84 and 21?​
Vika [28.1K]

Answer:

7 is the prime factor that is common to all three numbers.

7x5 = 35

7x12 = 84

7x3 = 21

Let me know if this helps!

4 0
3 years ago
Read 2 more answers
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