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Drupady [299]
2 years ago
15

What are the coordinates of C?

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
7 0
19,4
........................
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Suppose you have 30CD's. You know that you have 11 more CD's than your friend. Write and solve an equation to find the number of
Serga [27]

Answer:

30 - 11 = 19        19 CD's

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Madi has $8.80 in pennies and nickels.
shepuryov [24]
Let p = number of pennies.
Let n = number of nickels.

We are given that n= 2p and the total value is $8.80.

We know that a penny = $0.01 and that a nickel = $0.05.

So $0.01p + $0.05n = $8.80.

Substitute 2p for n:
$0.01p + $0.05*2p = $8.80

$0.01p + $0.10p = $8.80

$0.11p = $8.80

p = 80
So n = 2p = 2*80 = 160

Thus there are 80 pennies ($0.8) and 160 nickels ($8.00). The value of all the coins is $8.80.
7 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description. 2 = x2 + 5x. A) Double root B) Re
fredd [130]

\bf 2=x^2+5x\implies 0=x^2+5x-2\\\\\\\qquad \qquad \qquad \textit{discriminant of a quadratic}\\\\\\0=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+5}x\stackrel{\stackrel{c}{\downarrow }}{-2}~~~~~~~~\stackrel{discriminant}{b^2-4ac}=\begin{cases}0&\textit{one solution}\\positive&\textit{two solutions}\\negative&\textit{no solution}\end{cases}\\\\\\(5)^2-4(1)(-2)\implies 25+8\implies 33


so we have a 33, namely two real solutions for that quadratic.


usually that number goes into a √, if you have covered the quadratic formula, you'd see it there, namely that'd be equivalent to √(33), now 33 is a prime number, and √(33) is yields an irrational value, specifically because a prime number is indivisible other than by itself or 1.


so 33 can only afford us two real irrational roots.

3 0
3 years ago
A map has a scale of 1 in. : 5 mi. The distance on the map between two cities is 11.5 inches. Find the actual distance between t
Vladimir [108]

Answer:

57.5 mi

Step-by-step explanation:

1 in = 5 mi

11.5 × 5 = 57.5 mi

6 0
3 years ago
Melanie wants to create a pattern using a transformation that will change the orientation of a figure but not the orientation of
hodyreva [135]

Answer:

Melanie can translate the figure, rotate the figure, or reflect the figure. The figure would still be congruent.

Step-by-step explanation:

Hope that helps.... sorry if it doesn't..

5 0
2 years ago
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