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Anna71 [15]
3 years ago
15

Divide 30 by half and add 12. What do you get?​

Mathematics
2 answers:
svetoff [14.1K]3 years ago
8 0

Answer:

72

Step-by-step explanation:

30/(1/2) = 60

60+12 =72

topjm [15]3 years ago
6 0

Answer:

27

Step-by-step explanation:

30/2=15 +12=27

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Paul purchased 3 video games for $17.25 each. Which expression is the best choice to help him determine the total amount of mone
amid [387]
(3)(17.25) = 51.75; he spent $51.75

Because everything in the problem is positive, no negative numbers are needed.
8 0
3 years ago
Read 2 more answers
Use distributive property to write the expression withoit parenthesis: 3(7x+4)​
zalisa [80]

Answer:

21x + 12

Step-by-step explanation:

correct me of i am wrong

6 0
3 years ago
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5c squared- d squared+3/2c - 4d...c= -1. d= -4​
riadik2000 [5.3K]

For this case we have the following expression:

5c ^ 2-d ^ 2 + \frac {3} {2} c-4d

We must find the value of the expression when:

c = -1\\d = -4

Substituting we have:

5 (-1) ^ 2 - (- 4) ^ 2 + \frac {3} {2} (- 1) -4 (-4) =\\5 (1) -16- \frac {3} {2} + 16 =\\5-16- \frac {3} {2} + 16 =\\-11- \frac {3} {2} + 16 =\\- \frac {25} {2} + 16 =\\\frac {-25 + 32} {2} =\\\frac {7} {2}

Finally, the value of the expression is:

\frac {7} {2}

ANswer:

\frac {7} {2}

5 0
3 years ago
X=y<br>y=a+b×4<br>a=15-b<br>b=46-39<br>find x​
katen-ka-za [31]

Answer:

the value of x is 200 I can't explain

5 0
3 years ago
In65 - lnX = 39<br> What does X=?
Hunter-Best [27]

Answer:

<h2>The answer is 7.47</h2>

Step-by-step explanation:

In this problem we are going find the natural logarithmic of the numbers involved and solve for x

ln65-Ln x= 39\\

from tables

<h3> ln 65= 4.17</h3>

4.17-ln x= 39\4.17-39= lnx\\-34.83=lnx\\

taking the exponents of both sides we have

e^-^3^4^.^8^3= x\\x= 7.47

3 0
3 years ago
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