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2 years ago

Can someone help me find SP

Mathematics

1 answer:

den301095 [7]2 years ago

7 0

SP = 24

PQ/PT = PR/PS
7/14 = 12/x
1/2 = 12/x
x = 24

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The total length of wires a b and c is 445 cm wire a is 45 cm longer then wire b and wire b is half as long as wire c how long i

Oksana_A [137]

Answer:

$a = 145\ cm$

Step-by-step explanation:

Given

$a + b + c = 445$

$a = 45 + b$

$b = \frac{1}{2}c$

Required

Determine the length of a

Solve for c in $b = \frac{1}{2}c$

$2 * b = \frac{1}{2}c * 2$

$2b = c$

$c = 2b$

Substitute $c = 2b$ and $a = 45 + b$ in $a + b + c = 445$

$a + b + c = 445$

$45 + b + b + 2b = 445$

$45 + 4b = 445$

Solve for 4b

$4b = 445 - 45$

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Solve for b

$b = 400/4$

$b = 100$

Recall that: $a = 45 + b$

$a=45+100$

$a = 145\ cm$

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3 years ago

If Josh has 3 pencils and loses 1. How many does he have left

klio [65]

Answer: 2

Step-by-step explanation:

It is like you a=have 3 pencils and you give 1 to your friend how many will you have?

subtract 1 from 3

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2 years ago

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I think is the first one

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2 years ago

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\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
f(x)= \qquad 
\begin{cases}
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x_2=4
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6 0

2 years ago

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What is the distance between the points (-3,5) and (3,-8) in the standard (x,y) coordinate plane?

zlopas [31]

The vertical distance is 5 + 8 = 13
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then just do pythag therom
6^2 + 13^2 = c^2
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<span>√205 = c
</span>

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2 years ago

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