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yKpoI14uk [10]
3 years ago
6

Help me :))))) it’s a study guide.

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0

Answer:

A. 350

Step-by-step explanation:

Less than 22k means all the data before 22-32

There are only two bars before it which are the 0-10 and 11-21 categories.

one holds 0-10 holds 50 people while 11-21 holds 300.

300+50

350

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Un apostador pierde en su primer juego el 30% de su dinero, en el segundo juego pierde el 50% de lo que perdió; finalmente en el
sergiy2304 [10]

Responder:

26,62

Explicación paso a paso:

Sea x el dinero original que tenía el jugador:

si un jugador pierde en su primer juego el 30% de su dinero, la cantidad perdida será;

= 30/100 \ of \ x\\= 0.3x

Si en el segundo juego pierde el 50% de lo que perdió, entonces la cantidad perdida en el segundo juego será:

= 50/100 \ of \ 0.3x\\= 0.5 \times 0.3x\\= 0.15x

Si en el tercer juego pierde el 40% de todo lo que ha perdido, la cantidad perdida en el tercer juego será:

=\frac{40}{100} \ of \ (0.3x+0.15x) \\= 0.4(0.45x)\\= 0.2025x

Si la cantidad que le queda para seguir apostando es de 37 soles, entonces para calcular la cantidad original que tiene, sumaremos toda la cantidad perdida y la cantidad restante y equipararemos la cantidad original x como se muestra:

0,3x + 0,15x + 0,2025x + 37 = x

0,6525x + 37 = x

x-0,6525x = 37

0,3475x = 37

x = 37 / 0,3475

x = 106,48

La cantidad que tenía originalmente era de 106,48

75% de 106,48

= 75/100 * 106,48

= 0,75 * 106,48

= 79,86

Tomando la diferencia entre su monto original y su 75% será:

= 106.48-79.86\\= 26.62

3 0
2 years ago
Choose the pair of numbers that is in the relationship shown
ozzi

Answer:

First one is the correct answer!!

Step-by-step explanation:

6 0
2 years ago
Y is between X and Z. XY = 1/5XZ. YZ = 20. Find XY and XZ
satela [25.4K]

Answer:

<u>XZ = 25</u>

<u>X</u><u>Y = 5</u>

Step-by-step explanation:

XZ = XY + YZ

XZ = (1/5XZ) + 20

XZ - (1/5XZ )= 20

4/5 XZ = 20

5/5 XZ = (20 ÷ 4) × 5

XZ = <u>25</u>

XY = 1/5 × 25

= <u>5</u>

3 0
3 years ago
What is an equivalent expression to 56m+21n?
Zielflug [23.3K]
Idk sorryh hssnnssnnssnnssndbxnxhhxxxxjjxdss
8 0
3 years ago
John needs to buy at least 100 tiles to redecorate his bathroom. The tiles are sold in packs of 6.
AnnyKZ [126]

Answer: n\geq17

Step-by-step explanation:

Let n= Number of packs John needs.

Tiles in 1 pack = 6

Tiles in <em>n</em> pack = <em>6n</em>

If he needs at least 100 tiles.

then

6n ≥ 100

\Rightarrow\ n\geq100\\\\\Rightarrow\ n\geq\dfrac{100}{6}\\\\\Rightarrow\ n\geq\dfrac{50}{3}\\\\\Rightarrow\ n\geq16.67\\\\\Rightarrow\ n\geq 17

The required inequality: n\geq17

7 0
3 years ago
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