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Sedbober [7]
3 years ago
9

How can I find c in a=3 b=4

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
A^2+b^2= c^2
3^2+4^2=c^2
9+16=c^2
25=c^2
5=c
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Which of the following is the measure of PCR?
Tems11 [23]

9514 1404 393

Answer:

  B.  76°

Step-by-step explanation:

The triangles are congruent (HL), so each has the same angle at vertex C.

  2 × 38° = 76°

Angle PCR is 76°.

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2 years ago
Solve the compound inequality. NEED NOW.
Nadusha1986 [10]

Answer:

y < -3 and y > 7

Step-by-step explanation:

-5 + 2 = 3

5 + 2 = 7

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The cost of two pants and four shirts is $55.85. If a pant costs $7.25 more than a shirt, find the cost of a pant and a shirt. E
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B

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At a water park, 4 out of 20 tickets sold were child tickets. What percentage of the tickets were child tickets?
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20%

Step-by-step explanation:

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2 years ago
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Solve the following system of equations by substitution. Show all steps.
Alinara [238K]

Answer:

Given system of equations:

\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}

To solve by substitution, equate the equations and solve for x:

\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}

Therefore, the x-values of the solution are x = 0 and x = 4.

To find the y-values of the solution, substitute the found values of x into the functions:

f(0)=-(0)^2+2(0)+3=3

g(0)=-2(0)+3=3

f(4)=-(4)^2+2(4)+3=-5

g(4)=-2(4)+3=-5

Therefore, the solutions to the given system of equations are:

(0, 3) and (4, -5)

4 0
2 years ago
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