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Greeley [361]
3 years ago
8

Find the value of c that creates a perfect square trinomial.

Mathematics
1 answer:
ella [17]3 years ago
5 0

Answer:

c=8

c=100

Step-by-step explanation:

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I’ll mark brainest! Find all the real cube roots of -0.000125
Ymorist [56]

Answer:

-0.05

Step-by-step explanation:

This will become much easier if we can get the ugly decimal into a nice fraction form.

Start by recognising \frac{1}{8}=0.125. This is almost correct except the fraction is out by some number of factors of 10 (because the 125 part is correct but the number of 0s isn't).

\frac{1}{80} = 0.0125\\\frac{1}{800}=0.00125\\\frac{1}{8000}=0.000125

And hence we see that -0.000125=-\frac{1}{8000} and now the cube root becomes easy to compute:

\sqrt[3]{-0.000125} = \sqrt[3]{\frac{-1}{8000}} = \frac{\sqrt[3]{-1}}{\sqrt[3]{8000}} = \frac{-1}{20} = -0.05.

Advanced: You ask for <em>all </em>real cube roots. however the function y=\sqrt[3]{x} is described as <em>bijective</em>. This means for all x, there is only one y corresponding to it. (And also for all y there is only one x corresponding to that). This means there can only ever be one cube root of any real number.

4 0
3 years ago
Can you help me do this
Alla [95]
With what? .....................???
7 0
3 years ago
B + (8.3) = 0 what’s B
Troyanec [42]

Answer:

Step-by-step explanation:

B+8.3=0

B=0-8.3

B=-8.3

8 0
3 years ago
Determine which method would be more efficient for solving: Rewriting and using the distributive property or dividing. Solve eac
liq [111]

Answer:

A.  x = 3.03

B.  x = 4/3

Step-by-step explanation:

A.  2000 (x-0.03) = 6000 is quickly simplified byu dividing both sides by 2000:

(x - 0.03) = 3.  Removing the parentheses, we get:  x = -0.03 = 3, or x = 3.03.

B.  The distributive property is the faster method here.  We determine that the LCD is 12 and multiply both sides of this equation 1/4 (4+x) = 4/3 by 12:

3(4 + x) = 16

and then carry out the indicated multiplication:  12 + 3x = 16, or

3x = 4, or x = 4/3

7 0
3 years ago
In the diagram b||c find the value of y. 74 (2y+34)
IRINA_888 [86]

Answer:

y = 36

Step-by-step explanation:

The two angles are supplementary since they are same side exterior angles

74 + (2y+34) = 180

Combine like terms

2t+108 =180

Subtract 108 from each side

2y = 180-108

2y = 72

Divide by 2

2y/2 = 72/2

y =36

7 0
3 years ago
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