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alexandr1967 [171]
3 years ago
13

How can you solve: = 30 Using the following numbers 1, 3, 5, 7, 9, 11, 13, 15

Mathematics
1 answer:
suter [353]3 years ago
3 0
The numbers you use are
13.5 +13.5 +3 = 30
This is allowed because you can use any number and you can also repeat and in Brazil they right their decimals as 13,5 but in America it’s 13.5
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there are 90 people in a group. 6 of the people are men. The number of women is 2 times the number of men. the rest are children
stepladder [879]

Answer:

n= 12

Step-by-step explanation:

6*2= 12

Men= 6

Women= 12

12+6= 18

90-18= 72

72:6= 12:1

3 0
2 years ago
Two pieces of equipment were purchased for a total of $5000. If one piece cost $410 more than the other, find the price of the l
ankoles [38]

Answer:   i have never did a math problem like this before because i'm only in the 2nd semester of 7th grade but i will try, i think it is 2090

Step-by-step explanation: 5000 divided by 2 = 2500. then you do 2500-410. 2500-410= 2090.  (i hope this will help you and sorry if i did it wrong) :)

5 0
3 years ago
Solve the following quadratic equation for all values of x in simplest form.
NNADVOKAT [17]

Answer:

x = ± 1

Step-by-step explanation:

Given

3(x² - 4) + 7 = - 2 ( subtract 7 from both sides )

3(x² - 4) = - 9 ( divide both sides by 3 )

x² - 4 = - 3 ( add 4 to both sides )

x² = 1 ( take the square root of both sides )

x² = ± \sqrt{1} = ± 1

Thus

x = - 1, x = 1

8 0
3 years ago
Which graph represents a proportional relationship? <br><br> A.<br><br> B.<br><br> C.<br><br> D.
eimsori [14]

Answer:

C

Step-by-step explanation:

A straight diagonal line going the middle of the graph is a proportianal relationship.

4 0
3 years ago
Read 2 more answers
Para festeja su cumpleaños,Nancy compró 15 paquetes de pizzetas. Si cocinó 288 pizzetas, cuántos paquetes completos le quedaron?
Lorico [155]

Answer:

Nancy consumió 12 paquetes de pizzetas y le quedaron 3 paquetes completos.

Step-by-step explanation:

En primer lugar, debemos descomponer el número total de pizzas como una multiplicación de números primos. Al realizar la descomposición factorial tenemos que:

288 = 2 \times 2 \times 2 \times 2 \times 2 \times 3 \times 3

Entonces, los familia de divisores de 288 es el siguiente conjunto:

D_{288} = \{2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144 \}

Si tanto la cantidad de paquetes de pizzetas y la cantidad cocinada de pizzetas son números enteros y positivos, siendo la última mucho mayor. Entonces, la cantidad de pizzetas debe ser un número entero y la cantidad de paquetes gastados menor a la cantidad de paquetes comprados y el número entero más cercano a esa cantidad. Entonces, concluimos que Nancy se gastó 12 paquetes de pizzetas, quedándole 3 paquetes completos.

6 0
3 years ago
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