3 years ago

Can someone help with question 3

Mathematics

1 answer:

kirza4 [7]3 years ago

4 0

Answer:

This is what you have to explain:

With 5n, you are multiplying a number and a variable.

With 5 + n, you are adding a number and a variable.

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D=h+9 The variable H represents the number of hours worked, and the variable d represents the amount of dough prepared how many

Marta_Voda [28]

Answer:

12 hours

Step-by-step explanation:

If we assume that the units of D are kg, then we can put the given number into the equation and solve.

21 = h +9

12 = h . . . . . subtract 9

Eli worked 12 hours to prepare 21 kg of dough.

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3 years ago

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astra-53 [7]

Answer:

79,200

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0.005680 is how much greater than 0.0004359

Lesechka [4]

Answer:

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6x + 4y = -14<br> -X-5y=11

kumpel [21]

Answer:

x= -1; y= -2

Step-by-step explanation:

A: 6x+4y= -14

B: -x-5y=11

6B is : -6x-30y=66

A+6B is : -26y=52

so y= -2

so A becomes : 6x+4.(-2)= -14

so x= -1

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Which of the following would be an appropriate horizontal and vertical scale of a viewing window on a graphing calculator for th

Tpy6a [65]

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