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3241004551 [841]
3 years ago
12

F(x) = 2x-1 What is f(13)?

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0

Answer: 25

Step-by-step explanation: Easy. Just substitute 13 for x into the equation. f(13)=2(13)-1

= 26-1

= 25

Delicious77 [7]3 years ago
4 0

Answer:

f(13)=2x-1, x=7

Step-by-step explanation:

7*2=14, 14-1=13

vise versa

f(13)=2(7)-1

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A lorry driver charges $1800 to carry 60 tonnes of weight. How much will he charge for carrying 80 tonnes at the same rate
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Answer:

$2400

Step-by-step explanation:

60 tonnes = $1800

80 tonnes = $?

= 1800 × 80/60

= $2400

4 0
3 years ago
Read 2 more answers
the length of a screwdriver is 19 centimeters. the handle is 5 centimeters long . what is the length of the top of the screw dri
svetoff [14.1K]
If the length of the entire screwdriver is 19cm, and the handle is 5cm, subtract the length of the handle from the total length to find the length of the top of the screwdriver.
19 - 5 = 14
The top of the screwdriver is 14cm long.
6 0
2 years ago
What is the measure of angle F in degrees when H is 127degrees and G is 33.5 degrees?
irina1246 [14]

Answer:

19.5

Step-by-step explanation:

Here is a key factors in triangles, it must add up to 180 degrees.

You have three angles in a triangle ABC,

A = 127

B = 33.5

C = ?

In this case you would add the two together (160.5) and subtract from 180 giving you the angle C = 19.5

CHECK:

Add 127+33.5+19.5 = 180! Yes!

PLs mark brainliest if you can! :)

4 0
3 years ago
Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. What is the
motikmotik

Answer:

45.44/71 - 1 = -0.36 = -36%

36% decrease.

7 0
3 years ago
On Pennsylvania's interstate highway the speed limit is 65 mph. The minimum speed is 45 mph. Write a compound inequality that re
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Let x be the speed.

Maximum is 65 so x needs to be less than or equal to 65.

The minimum is 45, so x also has to be greater than or equal to 45

45 <= x => 65

6 0
3 years ago
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