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3 years ago

Write a sentence to represent the equation 4m = -8.

Mathematics

2 answers:

Aliun [14]3 years ago

7 0

Answer: 4 times m is equals to -8.

4 times a number is -8

Step-by-step explanation:

Given algebraic equation: 4m =-8

which is equivalent to 4 times m= -8

Therefore ,the sentence to represent the given algebraic equation will be

4 times m is equals to -8.

OR, you can also write

4 times a number is -8, where m is the number.

Helga [31]3 years ago

5 0

4 times a number is equal to negative 8

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Identify the vertex and directrix of each. y = x2 + 2x - 4

sergey [27]

Answer:

See below

Step-by-step explanation:

Convert equation to vertex form $y=(x-h)^2+k$ by completing the square:

$y=x^2+2x-4$

$y+5=x^2+2x-4+5$

$y+5=x^2+2x+1$

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$y=(x+1)^2-5$

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2 years ago

2. An Evergreen Eagle flies about 13 meters in one second. How many kilometers could it fly in 20 minutes? *

Salsk061 [2.6K]

Answer:

Evergreen Eagle can will fly 1.56 km in 20 minutes.

Step-by-step explanation:

Speed of Evergreen Eagle = $\frac{\text{Distance}}{\text{Time}}$

= $\frac{13}{1}$

= 13 meters per second

With this speed Eagle can fly the distance in 20 minutes Or 120 seconds

= Speed × Time

= 13 × 120

= 1560 meters

Since, 1000 meters = 1 Km

1 meter = $\frac{1}{1000}$ km

Therefore, 1560 meters = $\frac{1560}{1000}$

= 1.56 km

Therefore, Evergreen Eagle can will fly 1.56 km in 20 minutes.

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3 years ago