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Mathematics

1 answer:

lukranit [14]2 years ago

4 0

Answer: 35

Step-by-step explanation:

The sum of interior angles of a triangle is 180°.

40 + 2a + 2a = 180

4a + 40 = 180

4a = 140

a = 35

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a bird of species a when diving can travel four times as fast as a bird of species b top speed if the total speeds of these two

weeeeeb [17]

X will be the speed of species b and 4x will be the speed of species a:

x + 4x = 180
5x = 180
x = 180 / 5
x = 36 m/h

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4 x 36 = 144 m/h.

Answer:

$\boxed {\bf A~=~36~m/h~and~B~=~144~m/h}$

Hope it helped,

Happy homework/ study/ exam!

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2 years ago

What is the value of 9(n+2)−5n for n=14? 3 9 10 19

Murrr4er [49]

If you want to know the value of a function, you need to substitute the variable (here n) for the value:

so in the function

9(n+2)−5n

we substitute n with 14:

9(14+2)−5*14

first calculate the inside of the bracket:


9*16−5*14

9 times 16 is 144

144-5*14

5*14 is 70, so we have

144-70=74

so the answer should actually be 74!

Perhaps you mistyped the questions? can you check it again, please?

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2 years ago

A snack bar weighs 61g, and 10% of the weight is apple. How many

eduard

Answer:

61×10/100

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1 year ago

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