4 years ago

Lossa

Mathematics

1 answer:

kupik [55]4 years ago

6 0

Answer:

P= 28.28 m

diagonal (d) 10m

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The formula is m=4a+2c where c is the number of children, m=the number of meatballs, a=number of adults.

Trava [24]

Answer:

110

Step-by-step explanation:

m = 4a + 2c

a = 25, c = 5

m = 4(25) + 2(5)

m = 100 + 10

m = 110 meatballs

6 0

3 years ago

what is the sum of two numbers is "-7." Two times the first number equals 4 the second number. Find the two numbers.

skelet666 [1.2K]

Answer:

$\sf \text{The numbers are $\dfrac{-14}{3} $ and $\dfrac{-7}{3}$}$

Step-by-step explanation:

Let the numbers be x , y

Sum of two numers = -7

x + y = -7------------(I)

Two times the first number equals 4 the second number.

2x = 4y ----------(II)

Divide both sides by 2

$\sf \dfrac{2x}{2}=\dfrac{4y}{2}$

x = 2y

Subtitute x = 2y in equation (I)

2y + y = -7

3y = -7

y = -7/3

Plugin y = -7/3 in equation (II)

$\sf 2x = 4*\dfrac{-7}{3}\\\\2x = \dfrac{-28}{3}\\\\x =\dfrac{-28}{3*2}\\\\x = \dfrac{-14}{3}$

4 0

3 years ago

On a very cold morning, it was -8°F. As the day went on, the temperature rose 2 degrees each hour. Which equation shows the temp

Hoochie [10]

Answer:

Step-by-step explanation:

y=3x-7

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3 years ago

A tree grew 92 4/5 feet in 19 1/3 years. What was the average yearly growth rate of the tree

White raven [17]

Exact Form:
26912/15
Decimal Form:
1794.13
Mixed Number Form:
1794 2/15

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3 years ago

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Alexeev081 [22]

Answer:

4075

Step-by-step explanation:

8 0

3 years ago