3 years ago

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

You might be interested in

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:

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