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Svetach [21]
3 years ago
5

Can someone plz help me this fast! Thank you

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0

Answer:

EF= 5 , DF= 6

Step-by-step explanation:

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If f(x)=x2-2x and g(x) =6x+4, for whichvalue of x dose (f+g)(x)=0
Juliette [100K]

Answer:

The value of x that makes the equation equal to 0 is -2.

Step-by-step explanation:

In order to find this, we first must create the composite function using the designated operation. The operation is addition, so we just add them together.

f(x) + g(x) = (f+g)(x)

(x^2 - 2x) + (6x + 4) = (f+g)(x)

x^2 + 4x + 4 = (f+g)(x)

Now, in order to find when this is equal to 0, we need to factor.

x^2 + 4x + 4 = 0

(x + 2)(x + 2) = 0

When it is fully factored, we can set each parenthesis equal to 0 in order to find the value. Since the parenthesis are exactly the same, we only have to do this once.

x + 2 = 0

x = -2

6 0
3 years ago
Two positive integers have a sum of 23 and a product of 126. Find the two numbers.
meriva

Answer:

SUBTRACT

Step-by-step explanation:

6 0
3 years ago
Bonsoir vous pouvez m’aider alors : A la masse x (en g) d’un objet suspendu , on associe la longueur (en mm) d’un ressort . Cett
natita [175]

Answer:

50 g = 95mm

60 g = 98 mm

0 g = 98/60 = 1.63 mm Step-by-step                                                      explanation:hope this help y'all

8 0
2 years ago
Mike has 21 pounds of tomatoes and 9 pounds of mixed peppers from his garden that he will use to make salsa and tomato sauce. Th
wel

Answer:

x= 6 , y = 3

Step-by-step explanation:

x + 5y = 21

i am using trail and error method and i got the answer easily

the logic behind this is simple

the first equation is x + 5y = 21 so we can say that y  will be 5 x 1 , 5 x 2 , 5 x  3 , 5 x 4

first i did 5 x 4 = 20

x + 5 x 4 = 21

x= 1 but the equation x + y = 1 + 4 = 5  which is not equal to 9

second i tried with 5 x 3 =15

and the equation will be

x + 5 x 3 = 21

6 + 15 = 21

this time the second equation became true

x + y = 9

6 + 3 = 9

the no of pounds of salsa = 6

no of pounds of tomato = 3

8 0
1 year ago
12 and 6 have the same prime factors of 2 and 3.
Vlad [161]

Step-by-step explanation:

Yes 12 and 6 have the same prime factors of 2 and 3

6 0
3 years ago
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