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murzikaleks [220]
3 years ago
12

Please help I’m stuck

Mathematics
2 answers:
solong [7]3 years ago
8 0

Answer:

23

hope it helps u :)

Step-by-step explanation:

2x+13

x=5

=2×5+13

=10+13

=23

anyanavicka [17]3 years ago
6 0

Answer:

23

Step-by-step explanation:

When I was first introduced to algebra, One thing that had me stumped for the longest time is terms like "2x".  This is because nobody explained to me that saying "2x" and similar terms implies a multiplication.  so "2x" actually means "2 × x".  I only mention this because I thought maybe it would help.

To solve it then, all we need to do then is think of "x" as meaning five, and it being multiplied by 2

We're given this:

2x + 13

which you can also read as this:

2 \times x + 13

We're told x equals five, so we can say:

2 \times 5 + 13

Remember when solving this, that multiplication and division <em>always</em> come before addition and subtraction, so let's do the multiplication:

10 + 13

and then add it up:

23

So the final answer is twenty-three.

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PLease help me dont answer if u dont know
sdas [7]

Answer:

a_n=-8+(n-1)-7

Step-by-step explanation:

General arithmetic sequence formula: a_n=a_1+(n-1)d

where a_1 = first term, and d = common difference.

The first term is -8

And the common difference appears to be - 7 as 7 is subtracted to get to the next term. Ex. -8 - 7 = -15, -15 - 7 = - 22 and so on.

To get the explicit formula of the sequence we simply plug in the values of a1 and d the general arithmetic sequence formula

General formula: a_n=a_1+(n-1)d

We have a_1=-8 and d = -7

So the formula to find the nth term would be

a_n=-8+(n-1)-7

4 0
3 years ago
Read 2 more answers
Let f(x)=3x+5 and g(x)=x^2.
Nady [450]

Answer:  x² + 3x + 5

<u>Step-by-step explanation:</u>

f(x) = 3x + 5       g(x) = x²

(f + g)(x) = f(x) + g(x)

             = 3x + 5 + x²

             = x² + 3x + 5

3 0
3 years ago
Please help!!
ahrayia [7]

Answer:

yes

Step-by-step explanation:

and no

7 0
3 years ago
Is 10=5x-6y written in standard form?
Lilit [14]
No, the standard form for a straight line is in the form:

ax + by + c = 0

Since the 10 is on the LHS, you'd need to move it to the RHS to fit the straight line form and then moving everything to the LHS.

0 = 5x - 6y - 10
5x - 6y - 10 = 0 is the standard form.
7 0
3 years ago
Help i have to turn this in later
Harlamova29_29 [7]
C since they are reflected
7 0
3 years ago
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