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Sphinxa [80]
3 years ago
5

A function is defined by f(x)=6x+1.5. What is f(2.5)

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0

f(2.5) means x is equal to 2.5.

Replace x in the equation with 2.5 and solve:

6(2.5) + 1.5 = 15 + 1.5 = 16.5

f(2.5) = 16.5

andre [41]3 years ago
7 0

Answer:

16.5

Step-by-step explanation:

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Which ordered pair is a solution of the equation ?
Gekata [30.6K]

Answer:

C. Both of the above answers

Step-by-step explanation:

13 = -6(-2) + 1

13 = 12 + 1

13 = 13

7 = -6(-1) + 1

7 = 6 + 1

7 = 7

7 0
3 years ago
12а + 7x - За – 2х what's the answer<br>​
Troyanec [42]
9a-5x

step by step explanation:

you can only add and subtract numbers that have the same variables.

12a and 3a are related because there variable is both a.

when u subtract 12a-3a you get the answer of 9a using subtraction.

7x and -2x are the second pair of related terms because they also have the same variable (x)

7x-2x is 5x using subtraction.

put the expression together:

9a-5x

hope this helps!

give me brainliest if it did plz
8 0
2 years ago
In 2017 the population of Rexburg, Idaho was 28,337 people. The population was expected to grow at a rate of about 1.26% per yea
frez [133]

Answer:

30,122

Step-by-step explanation:

This probably isn't the fastest way to solve but....

28,337x1.26%= 357

357x5=1785

28,337+1785=30,122

The 5 came from the # of years the population is increasing

6 0
3 years ago
Soula has 90m of fencing
Eddi Din [679]

looks like the question is not finished. x

6 0
3 years ago
The sides of a rhombus with angle of 60° are 6 inches. find the area of the rhombus. 9√3 in2 18√3 in2 36 in2
harina [27]

Drop a perpendicular from an obtuse vertex.

That makes a 30 - 60º right triangle, with

hypotenuse 6 and short leg 3. So the long leg,

which is the height of the rhombus, is 3√3 .

Since a rhombus is a parallelogram, its area

is base x height = 6 x 3√3 = 18√3 .

4 0
3 years ago
Read 2 more answers
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