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3 years ago

Simplify 9r-2s-4r-3s

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

7 0

Answer:

5r - 5s

Step-by-step explanation:

9r-2s-4r-3s

Combine like terms

9r -4r -2s -3s

5r -5s

bezimeni [28]3 years ago

5 0

Answer:

5r -5s

Step-by-step explanation:

9r-2s-4r-3s

Combine like terms

9r -4r -2s -3s

5r -5s

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Evaluate the following expression when x = 6 and y = 2:

Liula [17]

Answer:

11/2

Step-by-step explanation:

$\frac{ {x}^{2} + {y}^{3} }{2 + x} \\$

when,

$x = 6 \\ y = 2$

Now substitute the value we get,

$\frac{ {6}^{2} + {2}^{3} }{2 + 6} \\ \\ = \frac{36 + 8}{8} \\ \\ = \frac{44}{8} \\ \\ = \frac{11}{2}$

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2 years ago

Please help not sure what to do

yawa3891 [41]

Answer:

3x12 theres 3 cirs and 6÷4 so 3x12

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3 years ago

Which expressions are equal to 0 when x=-1? Check all that apply.

Reptile [31]

Answer:

4(x+1)/(4x+5)

4(x+1)/(5-4x)

4(x-(-1))/(4x+5)

Step-by-step explanation:

The numerators in the fractions must equal to 0, or else the expressions won’t have the result of 0.

4(x+1)

4(-1+1)

4(0)

= 0

4(x-(-1))

4(-1-(-1))

4(-1+1)

4(0)

= 0

The expressions with the numerator as 0 have the result of 0.

7 0

3 years ago

35% of a number is what fraction of that number

OLEGan [10]

Answer: 7/20

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Consider it this cone with a diameter of 19 cm use the drop-down menus to describe the con measurements

MAVERICK [17]

Answer:

1) Radius of the cone = 9.5 cm

2) BA = 90.25 π cm²

3) SA = 384.7 π cm²

Step-by-step explanation:

1) Radius of the cone = 9.5 cm

2) Base Area of the cone = $\pi r^2$

BA = (π)(9.5)²

BA = 90.25 π cm²

3) Surface Area of Cone = $\pi r(r+\sqrt{h^2+r^2)}$

SA = π(9.5)(9.5 + √(29.5)²+(9.5)²)

SA = 9.5π(9.5 + 31)

SA = 9.5π(40.5)

SA = 384.7 π cm²

3 0

3 years ago