2 years ago

Help please 9 and 10

Mathematics

1 answer:

DIA [1.3K]2 years ago

7 0

9 is obtuse isosceles 10 is scalene,right <span />

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Select the correct pairs of triangles.

hram777 [196]

Answer:

Triangle 1 and 2

Step-by-step explanation:

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2 years ago

If f(x)= 5x + 4 and g(x) = 1/2x<br><br> find ,<br> a) fg(5)

Veseljchak [2.6K]

Answer:

f(g(5)) = 16.5

Step-by-step explanation:

To calculate f(g(5)), evaluate g(5) then substitute the value obtained into f(x)

g(5) = $\frac{1}{2}$ × 5 = 2.5 , then

f(2.5) = 5(2.5) + 4 = 12.5 + 4 = 16.5

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3 years ago

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Suppose 8 out of every 20 students are absent from school less than five days a year.How many students would be absent from scho

Paladinen [302]

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2 years ago

Any nonzero integer divided by 0 equals 0. True or false? Justify your answer.

Vanyuwa [196]

It is false. Although integers above 0 divided by 0 is 0, negative numbers can also be integers (-1,-3,-10, etc.), and when they are divided by zero, they are undefined. That means that it is not really a number.

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3 years ago

Express the radical using the imaginary unit, i

Kipish [7]

Answer:

7i.

Step-by-step explanation:

Note : The given expression must be $\sqrt{-49}$ .

We have to write this radical value in the imaginary value.

The given value can be rewritten as

$\sqrt{-49}=\sqrt{49\times (-1)}$

$\sqrt{-49}=\sqrt{49}\times \sqrt{-1}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-49}=7\times i$ $[\because \sqrt{-1}=i]$

$\sqrt{-49}=7i$

Therefore, the required expression is 7i.

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3 years ago