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Sloan [31]
4 years ago
11

Joan walked 50 dogs this week. 40% of the dogs were brown. How many dogs were brown. How many dogs were brown?

Mathematics
2 answers:
nevsk [136]4 years ago
7 0
60% of the dog's are not brown so 40 dogs are brown
Ad libitum [116K]4 years ago
3 0

Answer: 20

Step-by-step explanation: First you would multiply 50*0.4 and your answer would give you 20.

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4(5x-9)=20x-45 i have no idea how to solve this
Marat540 [252]

Answer: no solution

Step-by-step explanation:

20x - 36 = 20x - 45

-20x.          -20x

-36 = -45 since this is not true, the answer is there is no solution

4 0
3 years ago
What is the probability of randomly picking a five-digit number whose leftmost digit is 1 and units digit is 9 from all the odd
riadik2000 [5.3K]

Answer:1/25

Step-by-step explanation: do 5 to the second power which will get all combinations then do 1 as the numerator over the denominator which is the number of combinations.

7 0
3 years ago
¿Cuál es el área de un rectángulo, sabiendo que su perímetro mide 24 cm y que su base es el triple de su altura?
Brrunno [24]

Answer:

El área del rectángulo es:

27 cm²

Step-by-step explanation:

Consideración:

La formula del perímetro de un rectángulo es:

p = 2(altura + base)

Planteamiento:

24 = 2(a+b)

b = 3a

a = longitud de la altura del rectángulo

b = longitud de la base del rectángulo

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

24 = 2(a + 3a)

24/2 = 4a

12 = 4a

a = 12/4

a = 3 cm

de la segunda ecuación del planteamiento:

b = 3a

b = 3*3

b = 9 cm

Comprobación:

de la primer ecuación del planteamiento:

24 = 2(3+9)

24 = 2*12

Respuesta:

la formula del área de un rectángulo es:

A = base * altura

A = 9cn * 3cm

A = 27cm²

5 0
3 years ago
What is 150% of 20? ​
Galina-37 [17]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (1, 1) and (4, 4)?
gizmo_the_mogwai [7]

Answer:

The answer is 1

Step-by-step explanation:

Formula for finding the slope: \frac{y2-y1}{x2-x1}

Take y2 and y1 from (4,<u>4</u>) (1,<u>1</u>)

Take x2 and x1 from (<u>4</u>,4) (<u>1</u>,1)

\frac{y2-y1}{x2-x1}  = \frac{4-1}{4-1} = \frac{3}{3} = 1

This is how the answer is 1

Hope it helps :)

8 0
2 years ago
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