3 years ago

Help please: pre- calc

Mathematics

1 answer:

ivanzaharov [21]3 years ago

4 0

Subtract g(x) from f(x): (x²+3x-1)-(x³+4x²+1)=-x³-3x²+3x-2
C is the correct answer.

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The volume of a cube is 441cm3. Work out the length of its side rounded to 1 DP.

Rainbow [258]

Answer:

volume of cube=441cm³

l³=441cm³

$\sqrt[3]{441}$

length=7.6cm

3 0

2 years ago

4.13 rounded to one decimal point

arlik [135]

The answer is 4.1
If the number is below 5, you round down, if it's 5 or above, you round up.

8 0

3 years ago

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Can someone explain how to find the answer to x

OLga [1]

Answer:

130

Step-by-step explanation:

X is the alternate corresponding angle to 50. 50+y=180

y=130

x and y = the same thing so 130 is the value of x

4 0

2 years ago

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ABCD is a quadrilateral inscribed in a circle, as shown below:

malfutka [58]

Answer:

Option 4: (2x + 16)° + (x)° = 180°

Step-by-step explanation:

See the attached figure.

For a quadrilateral inscribed in a circle

The opposite angles are supplementary.

So, ∠D + ∠B = 180°

From the figure:

∠B = x° and ∠D = (2x+16)°

∴ (2x + 16)° + (x)° = 180°

4 0

2 years ago

What is 1 3/4 - 5/6r =8/3

fenix001 [56]

1 3/4 - 5/6r = 8/3

-5/6r + 7/4 = 8/3

-5/6r +7/4 - 7/4 = 8/3 -7/4
-5/6r = 11/12

(6/-5)*(-5/6r)=(6/-5)*(11/12)
=-11/10

r = -1 1/10

6 0

3 years ago