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forsale [732]
3 years ago
12

NEED HELP QUICK!!! ∆PQR ~ ∆CDR. m∠C = 2(x +20)º, m∠PQR = (4x), and m∠P = (5x - 5)º. Find x.

Mathematics
1 answer:
Tanya [424]3 years ago
8 0
What! i dont know this math yet:(
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One weekend, a newsstand sold twice as many Sunday papers as Friday papers. The Sunday paper costs $1.50, and the Friday paper c
Fiesta28 [93]
1.50s + 0.75f = 116.25
2f = s

1.50(2f) + 0.75f = 116.25
3f + 0.75f = 116.25
3.75f = 116.25
f = 116.25/3.75
f = 31...31 friday papers

2f = s
2(31) = s
62 = s <=== 62 sunday papers
8 0
3 years ago
Last year, about 2,400 people participated in a local Fourth of July parade. This year, about 3,200 people participated. What wa
stich3 [128]

Answer:

800 people a year

Step-by-step explanation:

4 0
3 years ago
William fills 1/3 of a water bottle in 5/9 of a minute. How many can be filled in a minute
Snezhnost [94]

For this case we can propose a rule of three:

\frac {1} {3}bottle ------------> \frac {5} {9}minutes

x --------------------------------------> 1 minute

Where the variable "x" represents the number of bottles that can be filled in 1 minute.

x = \frac {1 * \frac {1} {3}} {\frac {5} {9}}\\x = \frac {\frac {1} {3}} {\frac {5} {9}}\\x = \frac {9 * 1} {3 * 5}\\x = \frac {9} {15}\\x = \frac {3} {5}

Thus, William can fill \frac {3} {5} of a water bottle in 1 minute.

Answer:

William can fill \frac {3} {5} of a water bottle in 1 minute.

3 0
3 years ago
What is 519 divided by 11?
g100num [7]
The answer is 47.18181818
7 0
3 years ago
Given the range of the function, find the corresponding domain. f(x) = 4x - 1 Range: {3, 7, 11, 15}
g100num [7]
The range is the output value or the y value.
You would work backwards to find the domain.

f(x) = 4x - 1                              f(x) = 4x - 1
3 = 4x - 1                                    7 = 4x - 1
add 1 to both sides                    add 1 to both sides
4 = 4x                                            8 = 4x
divide both sides by 4              divide both sides by 4
x = 1                                              x = 2

f(x) = 4x - 1                                  f(x) = 4x - 1
11 = 4x - 1                                      15 = 4x - 1
add 1 to both sides                      add 1 to both sides
12 = 4x                                              16 = 4x
divide both sides by 4                  divide both sides by 4
x = 3                                                    x = 4
Domain { 1, 2, 3, 4}
7 0
3 years ago
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