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netineya [11]
3 years ago
11

HELP! let f(x) = 7x - 4. what is f(6)

Mathematics
2 answers:
Karolina [17]3 years ago
6 0

Answer:

the answer was 38 sorry

Step-by-step explanation:

Dima020 [189]3 years ago
5 0

Answer:

F(6) = 38

Step-by-step explanation:

F(x) = 7x - 4

Plug in 6 where x is

F(6) = 7(6) - 4

Multiply

F(6)= 42 -4

Subtract

F(6) = 38

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in rhombus ABCD the measure in inches of AB is 3x+2 and BC is x+12 Find the number of inches in the length of DC
Afina-wow [57]
<h3>Answer: 17 inches</h3>

===============================

Rule: All four sides of a rhombus are the same length

So AB = BC

Use this to solve for x

AB = BC

3x+2 = x+12

3x-x = 12-2

2x = 10

x = 5

If x = 5, then

AB = 3*x+2 = 3*5+2 = 15+2 = 17

and

BC = x+12 = 5+12 = 17

Both sides are 17 as expected, so the proper x value is confirmed.

So DC is also 17 since AB = DC

3 0
3 years ago
MATH QUESTION: Julie bought a bag of parsnips that weighed 4 2/7 pounds. She also bought a bag of turnips that weighed 1 1/3 tim
Ulleksa [173]

Answer:

5 5/7

Step-by-step explanation:

Convert it to fractions:

30/7 and 4/3

Now multiply.

120/21

Simplify it:

5 5/7

8 0
3 years ago
Which is the value of the expression? (-2) to the fourth power
kompoz [17]

Answer:

Variant D

Step-by-step explanation:

-2*(-2)*(-2)*(-2)=16

5 0
3 years ago
Rebecca took a total of 12 quizzes over the course of 3 weeks. How many weeks of school will Rebecca have to attend this quarter
balandron [24]

Answer:

6 weeks

Step-by-step explanation:

If you look at the information it gives you, you can see it says 12 quizzes in 3 weeks and she needs 24 quizzes. So every 3 weeks she does 12 quizzes, and if you add 12 and 12 you get 6 weeks.

6 0
3 years ago
1.6k = 3.2 need help solving
Artemon [7]
If it is the decimals that are giving you trouble, you can multiply both sides by 10, giving you 16k=32
To find k you divide both sides by 16
(16k)/16=(32)/16
The 16's cancel out, and the 32/16 becomes 2.
Final answer:
K=2
5 0
3 years ago
Read 2 more answers
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