IM CONFUSED CAN SOMEONE HELP

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

8 0

The directions are fairly straightforward. They are asking you to plot the two curves on a graph and find the coordinates of the point of intersection.

After 7 years, the number of birds of each species during that year will be 140.

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guapka [62]

Hey it’s 16 units now pls thank me

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3 years ago

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Alenkasestr [34]

$\huge \boxed{\mathbb{QUESTION} \downarrow}$

Find x.

$\large \boxed{\mathbb{ANSWER\: WITH\: EXPLANATION} \downarrow}$

To solve these type of problems you need to use the pythagoras theorem ⇨ Hypotenuse² = Base² + Altitude².

Here,

Altitude = 1.6 cm.
Base = 1.2 cm
Hypotenuse = x

Now, let's solve for x.

Hypotenuse² = Base² + Altitude²

x² = (1.2)² + (1.6)²

x² = 1.44 + 2.56

x² = 4

x = √4

x = 2.

So, the value of x is 2 cm.

Pythagoras theorem can be used only in the cases of right-angled triangles. Here, it's given that the triangle is right angled so we can use this theorem.
To solve the squares if decimals, take them as whole numbers & then just add the decimal points. For example, ⇨ for (1.2)², take it as 12² , then multiply 12 by 12, you'll get 144. Now, add the decimal place accordingly ⇨ 1.44 . So, (1.2)² = 1.44.

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3 years ago

Given A = {a, e, i, o, u} and B = {a, l, g, e, b, r}, find A ∪ B.

harkovskaia [24]

Ahh..this is sets topics - A U B = all the elements found in A and B. But do note, do not repeat the elements if it is the same. And if the question were to ask : n(AUB) = total number of elements found in A and B.

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3 years ago

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Please help and thank you

tatiyna

Answer:

$b_{1}=\frac{2A}{h}-b_{2}$