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DedPeter [7]
3 years ago
7

A function is defined by f(x)=6x +15 . What is f(2.5)?

Mathematics
1 answer:
icang [17]3 years ago
3 0

Answer:

f(2.5)=30

Step-by-step explanation:

f(2.5)=6(2.5)+15     plug in 2.5 for x

f(2.5)=15+15           multiply 2.5 by 6

f(2.5)=30                add

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Point E is located at (−2,4) and point F is located at (5,10) . What are the coordinates of the point that partitions the direct
lina2011 [118]

Solution:

Coordinates of Point E and F are (-2,4) and (5,10).

Suppose the Point M(x,y), divides the Line Segment Joining E (-2,4) and F (5,10) in the 7:3 ratio.

So, EM: MF= 7:3

Formula for internal Division

x=\frac{mx_{2}+nx_{1}}{m+n}, y=\frac{my_{2}+ny_{1}}{m+n}

x=\frac{3 \times (-2) +7 \times 5}{3 +7},\\\\ x=\frac{-6 +35}{10}\\\\x=\frac{29}{10}\\\\ y =\frac{3 \times 4 +7 \times 10}{3+7}\\\\ y=\frac{12+70}{10}\\\\ y=\frac{82}{10}

So,we get

x= 2.9

and , y= 8.2


6 0
4 years ago
Help with 21 please 22 is not needed
Gwar [14]
We can't see the whole question :/
8 0
3 years ago
For the picture of the kite below, how would you prove that triangle BCE is congruent to triangle DCE if ∠1 is congruent to ∠2 a
aleksandrvk [35]

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6 0
3 years ago
5 x 7/10= the product lies between ____ and ___.
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8 0
4 years ago
Read 2 more answers
How do I solve <br> 3n + 10 &lt;= 13 or 2n &gt;= 5n - 12
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so the point could fall between 1 and 4 













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4 years ago
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