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-Dominant- [34]
2 years ago
10

What is f(5) if f(x) equals -2x + 1 Needed by Sunday Pls include explanation

Mathematics
1 answer:
Nana76 [90]2 years ago
5 0

Answer:

The answer is -9

Step-by-step explanation:

So all you have to do is just plug in 5 for x because x=5.

f(5)= -2x+1

f(5)= -2(5)+1

       -10+1

f(5)= -9

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A ball is dropped from the top of a building that is 250 feet tall. The
Virty [35]

hi

-16t²+250 = 75

-16t² = 75 -250

-16t² = -175

  t² = -175 /-16

 t² = 175/16

Here there si two solutions :  t = \sqrt{175/16}   and  t =  - \sqrt{175/16}

However, as time cannot rewind,  we will  keep only positive solution

So t = \sqrt{175/16}

   

in seconds  it will be  :  3.3 seconds

3 0
3 years ago
A model is 4.2 feet tall, the plywood used to make the model is 0.6 inch thick. How many sheets of plywood to make the model?
nadya68 [22]
Answer=84 sheets

4.2feet
1 foot=12 inches

4.2*12=<span>50.4inches

50.4/0.6=</span><span>84 sheets</span>
4 0
3 years ago
Someone please help me with this!!
Paraphin [41]

PEMDAS tells us to use multiplication and division before addition and subtraction.

<u>-5(8) </u>÷ 10 - <u>14 ÷ 7</u> - <u>(-2)(3)</u>

<u> -40  ÷ 10</u> -     2    -   -6

     <u>-4       -    2 </u>     + 6    <em>two negatives make a positive so - - 6  = + 6</em>

           <u> -6              +6</u>

                      0

Answer: 0


3 0
2 years ago
What is the slope of =-8x +3
sveta [45]

Answer:

-8

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
ON YOUR OWN
vichka [17]
5 units because your starting from (-2,-2) so the last -2 will stay and the first number(-2) will go up until you hit the (,3) which will be 5 units away
6 0
2 years ago
Read 2 more answers
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