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AnnyKZ [126]
3 years ago
12

Evaluate the expression: 2x + 5 for x = 3

Mathematics
1 answer:
lubasha [3.4K]3 years ago
5 0

Substitute the value of the variable into the equation and simplify.
11
11
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Find the value of x so that the function has the given value. f(x) = 6x + 9; f(x) = 21
Olin [163]

Answer:

x = 2

Step-by-step explanation:

We need to find the value of x so that the value of given function becomes 21 .

We have ,

f(x)=21\\\\ f(x)= 6x + 9

Now , for finding x ,

6x +9 = 21 \\\\ 6x = 21 -9 \\\\ 6x = 12 \\\\ x = 2

3 0
3 years ago
An orange has about 1/4 cup of juice. How many oranges are needed to make 2 1/2 cups of juice?
Vesna [10]

Answer:

10 oranges

Step-by-step explanation:

4 oranges are needed to make one cup. 2 cups is 8 oranges and 1/2 cup is 2 oranges

8 0
3 years ago
Please help!! i really need it.<br> ill give brainilest!!
NeTakaya

Answer:

14

Step-by-step explanation:

i think it's 14. i hope i helped :)

4 0
2 years ago
I need help it's so confusing!​
jasenka [17]
Try looking up the answer
5 0
3 years ago
Simplify question 2 please ASAP !!!!
Mrrafil [7]

Answer:

\sqrt[3]{ - 0.125}  =  \sqrt{ - 1}  \times  \sqrt[3]{0.125 }  \\  = 5i

here i equals √-1

Step-by-step explanation:

Answer is 5i

If you have any doubts write in comments box.

HAVE A NICE DAY !

3 0
3 years ago
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