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Vitek1552 [10]
3 years ago
7

C(x) = 5x^2 + x + 7 and d(x) = x^2 – 10 d(c(3))

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Answer:

d(c(3))=30I5

Step-by-step explanation:

C(3)=5×9+3 +7=55

d(c(3))= ( 55)^2-10= 3O 15

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Evaluate x when X=5 <br> A) 5<br> B) 7<br> C) 15<br> D) 17
blagie [28]

Answer:A

Step-by-step explanation:

6 0
3 years ago
3 feet of snow fell in 1 2/3 hours. What was that rate in inches per hours?
dalvyx [7]

Answer:

21 \frac{3}{5}in/hr

Step-by-step explanation:

Distance of snow fall  = 3ft

Time taken  = 1\frac{2}{3}hrs

Unknown:

Rate of snowfall = ?

Solution:

The rate of the snowfall is the same as the speed of the fall;

  Rate of snowfall  = \frac{distance of snowfall}{time}

Convert the ft to inches;

             1ft  = 12inches

             3ft  = 3 x 12  = 36inches

Input the parameters and solve;

           Rate of snowfall  = \frac{36}{\frac{5}{3} }   = 36 x \frac{3}{5} = 21 \frac{3}{5}in/hr

         

7 0
3 years ago
F is the function f(×)= 2x+5<br> Find f(3)
tatiyna

Answer:

f(3)=11

Step-by-step explanation:

f(x) = 2x + 5

to find f(3) we simply plug in 3 where ever x is

So f(3) = 2(3) + 5

==> multiply 2 and 3

f(3) = 6 + 5

==> add 6 and 6

f(3) = 11

5 0
2 years ago
The triangular prism below has a base area of 28.7 units² and a height of 11 units.
maksim [4K]

The volume of the triangular prism is 315.70 units³.

<h3>What is the volume?</h3>

A triangular prism is a three-dimensional shape that has a triangular base.

Volume =base area x height

28.7 x 11 = 315.70 units³

To learn more about prisms, please check: brainly.com/question/8890358

#SPJ1

7 0
2 years ago
Barry bought 212 pounds of lunch meat.
11Alexandr11 [23.1K]

Answer:

barry is a fata-ss

212-110= 102 lbs of meat left over

Barry ate 110 lbs

6 0
3 years ago
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