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DerKrebs [107]
2 years ago
15

What is the sign of-5×-1/-2 is it A: positive B: negative C: zero

Mathematics
1 answer:
kvv77 [185]2 years ago
5 0

Answer:

negative

Step-by-step explanation:

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Chris has 5 apples and giselle has 8 blueberries what is the ratio from apples to blueberries
Elodia [21]

Answer:

5:8

Step-by-step explanation:

5A to 8 BB

= 5:8

7 0
3 years ago
Add. Write your answer as a mixed number in simplest form.
Natali5045456 [20]

Answer:

Please put the equation.

Step-by-step explanation:

7 0
3 years ago
Solve the system using the elimination method.
spayn [35]

Answer:

  (x, y, z) = (-22/13, 29/13, 6/13)

Step-by-step explanation:

Adding the first and second equations, we get ...

  (3x +2y -3z) +(7x -2y +5z) = (-2) +(-14)

  10x +2z = -16 . . . . collect terms

  5x + z = -8 . . . . . . divide by 2 . . . [eq4]

Adding twice the second equation to the third, we get ...

  2(7x -2y +5z) +(2x +4y +z) = 2(-14) +(6)

  16x +11z = -22 . . . . . . [eq5]

Now, we have two equations with the variable y eliminated. We can subtract [eq5] from 11 times [eq4] to eliminate z:

  11(5x +z) -(16x +11z) = 11(-8) -(-22)

  39x = -66

  x = -66/39 = -22/13

From [eq4], we can find z as ...

  z = -8 -5x = -8 -5(-22/13) = 6/13

And from the second equation, we get ...

  y = (1/2)(7x +5z +14) = (1/2)(7(-22/13) +5(6/13) +14) = 29/13

The solution is (x, y, z) = (-22/13, 29/13, 6/13).

6 0
3 years ago
A new section of the freeway will be 6 3/5 miles long. So far 1/6 of the new section has been completed. How many more miles mus
saveliy_v [14]
Divide 1/16 by 3/5 and you get .104 we can check by multiplying our answer by 3/5 and we get 1/16
8 0
3 years ago
Frances has 4 square baking dishes. Each pan is 7 inches × 7 inches × 2 inches. Which expression will give her the total volume
julia-pushkina [17]

Answer:

D. (7^2 X2) x 4

The equation inside the parenthesis finds the volume of one pan and then that is multiplied by 4 which is the total number of pans. This will find the volume of all 4 pans.

5 0
3 years ago
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