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a_sh-v [17]
3 years ago
15

Work out the value of 5t squared - 7 when t= 4

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
5*4=20 squared is 40
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What is the value of the expression ?
zubka84 [21]

The value of this expression is 3 x 10^{6}


In order to find this, you divide each term separately. First we'll start with the numbers in the front.


\frac{4.8}{1.6} = 3


Now that we have the first number, we look to the 10s and the powers they are raised to. Since we are looking at powers of the same number, we can use the properties of exponents to simply subtract the numbers they are raised to.


\frac{10^{9}}{10^{3}}  = 10^{6}


Then we put the two back together for the final answer.


3 x 10^{6}

7 0
3 years ago
HELP!!! Is the relationship a function?
Artyom0805 [142]

Answer:

No

Step-by-step explanation:

It is not a function because the x should never repeat the y can but not the x.

5 0
3 years ago
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Relationship B has a greater rate than Relationship A. This graph represents Relationship A.
tester [92]

Answer:

Rate in relationship A = (6 - 3)/(8 - 4) = 3/4 = 0.75

For Table A: Rate = (3 - 1.2)/(5 - 2) = 1.8/3 = 0.6

For table B: Rate = (3.5 - 1.4)/(5 - 2) = 2.1/3 = 0.7

For table C: Rate = (4 - 1.6)/(5 - 2) = 2.4/3 = 0.8

For table D: Rate = (2 - 1.5)/(4 - 3) = 0.5/1 = 0.5

Therefore, the correct answer is option C.

4 0
3 years ago
How much interest will Jamal owe when he graduates from college if he took out a $2,500 student loan during his last year of col
____ [38]
I’m not smart and I’m not saying its right but 50,000
8 0
3 years ago
What is2.3684 roundes to the neareat thousandth
shusha [124]
<span>2.3684 rounded to the nearest thousandths is 2.368

</span>
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4 years ago
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