3 years ago

Please help I will mark Brainiest (No links please)

Mathematics

2 answers:

netineya [11]3 years ago

5 0

Answer:

Step-by-step explanation:

KatRina [158]3 years ago

4 0

Answer:

72 bags

Step-by-step explanation:

you would do the area(108) times 6 since you would be stacking, then you divide by 9, since you want to see how much sand would be in each bag, so you would have 72 bags

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Given the equation 6/x=3/k+2, and the constraints x ≠ 0 and k ≠-2, what is x in terms of k?

Veronika [31]

Answer:

A) 2k+4

Step-by-step explanation:

To solve for terms of x, we need to. she sure that x is on its own side while every other term is on the other side.

To start, we will cross multiply. If we have a/b=c/d, then ad=bc

We can perform the same calculation here,

6/x=3/(k+2)

6(k+2)=3x

Divide both sides by 3

2(k+2)=x

x=2k+4

7 0

3 years ago

Pls help giving brainlyist

dangina [55]

Answer:

x = 0

Step-by-step explanation:

when y is -3, x is 0

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3 years ago

ritu can row downstream 20km in 2 hrs and upstream 4km in 2 hrs. find the speed of rowing in still water and the speed of the cu

Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = $x+y$

Distance downstream = 20km

Time taken = 2 hours

We have

$x+y=\frac{20}{2}$

$x+y=10$ ......(1)

Speed of boat upstream = $x-y$

Distance upstream = 4

Time taken = 2

We have

$x-y=\frac{4}{2}$

$x-y=2$ ...(2)

Adding (1) & (2)

$2x=12$

$x=6$

Substituting in (1) we get

$y=4$

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3 years ago

Which could be the function graphed below?

madam [21]

$f(x)=\sqrt{x} -2$ is the correct option

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3 years ago

Evaluate the expression 8(2+1)^-4^

Marysya12 [62]

8(2+1)^4
8(3)^4
8(81)
648

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3 years ago

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