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Bas_tet [7]
2 years ago
10

Please help question attached below!

Mathematics
1 answer:
Annette [7]2 years ago
6 0

Answer:

4.97

Step-by-step explanation:

h(x) = -3x² + 5

h(0.1)

x = 0.1

h(0.1) = -3(0.1)² + 5

0.1² = 0.01

-3(0.01) + 5

-3(0.01) = -0.03

-0.03 + 5 = 4.97

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5 0
3 years ago
6x - 170 = -4x + 110​
strojnjashka [21]

Answer:

=-110

Step-by-step explanation:

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7 0
3 years ago
Will is twice as old as Jill. Three years ago, Jill's age was two fifths of Will's age then. How old is each now?
dimulka [17.4K]
"Will is twice as old as Jill."

                       Jill's age . . . . .   J
                       Will's age . . . . 2J .

"Three years ago . . .

                       Jill's age then . . . . .   J - 3
                       Will's age then . . . . 2J - 3

". . . Jill's age then was 2/5 of Will's age then."

                                         J - 3  =  (2/5) (2J - 3)
Multiply
each side by  5 :          5J - 15  =  2 (2J - 3)

Divide
each side by  2 :          2.5 J - 7.5  =  2J - 3 

Subtract  2J
from each side:            0.5 J - 7.5  =      -3

Add  7.5
to each side:                0.5 J           =     4.5

Multiply
each side by  2 :                J            =       9

Jill is  9  y.o. now.
Will is 18 y.o. now.

4 0
3 years ago
PLEASE HELP I AM SO LOST AND NEED AN EXPLANATION.
Alex73 [517]

Answer:

A, f(2) is the answer because it fits into the requirements.



4 0
3 years ago
Read 2 more answers
5x - 3 + 7y <br>x= 3 y= -7
Marysya12 [62]
The answer is -37! You would substitute the numbers you were given for the variables so the equation would become 5(3) -3 + 7(-7)
7 0
3 years ago
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