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3 years ago

Which rule explains why these triangles are similar

Mathematics

1 answer:

Andru [333]3 years ago

7 0

Because the have the same sides

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PLEASE HELP.. How do you do this?

juin [17]

Answer:

Step-by-step explanation:

(7x-5)(6x+10)=0

42x + 70x - 30x - 50 = 0

82x = 50

x = 50/82

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3 years ago

100 POINTS 100 POINTS 100 POINTS PLEASE HELP!!!!!

Alexeev081 [22]

what point it it the top one or the bottom one?

If its the top one- In decreases then increases it's end point of decrease would be 1

if it's the bottom one- it just has a really steep decline. its end point of decreasing is -4

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3 years ago

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Find the annual interest rate.<br><br> I=$54, P=$900, t=18 months

mrs_skeptik [129]

This needs some more detailed explanation but I think it's asking to divide 18 months by 18 to find the monthly rate and then multiply by 12 and add I and P???
I honestly don't understand the question so please add more :P

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3 years ago

Give The domain and range of the relation. Tell whether the relation is a function.

Ronch [10]

The domain is always the X also called the abscissa, So based on this we can easily conclude the answer to this is -2,0,2 because you don't repeat numbers

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3 years ago

Need Help !!

Over [174]

$\huge \mathbb{\green{\fbox{\pink{ANSWER}}}}$

$\\ \: \: \implies \: sin^{4} \: \theta + cos^{4} \: \theta \rightarrow \blue{ \frac{1}{2} }$

$\\ \\ \: \large \mathfrak \green{Solution} :$

$\\ \bf \: Given :$

$\\ \sf \: \: \bf sin \: \theta - cos \: \theta = 0$

$\\ \sf \rightarrow \: sin \: \theta = cos \: \theta$

$\\ \sf \rightarrow \: \frac{sin \: \theta} {cos \: \theta} = 1$

$\\ \sf \rightarrow \: tan \: \theta = 1$

$\\ \sf \rightarrow \: tan \: \theta = tan \: 45 \degree$

$\\ \sf \rightarrow \: \theta = 45 \degree$

$\\ \\ \therefore \: sin^{4} \: \theta + cos^{4} \: \theta$

$\\ \sf \rightarrow \: sin^{4} \: 45 \degree + cos^{4} \: 45 \degree$

$\\ \\\sf \rightarrow \: (\frac{1}{ \sqrt{2} } ) ^{4} +(\frac{1}{ \sqrt{2} } ) ^{4}$

$\\ \sf \rightarrow \: ( \frac{1}{ \cancel {\sqrt{2} }} )^{ \cancel{2}} ( \frac{1}{ \cancel{ \sqrt{2} }} )^{\cancel{2}} + ( \frac{1}{ \cancel {\sqrt{2} }} )^{ \cancel{2}} ( \frac{1}{ \cancel{ \sqrt{2} }} )^{\cancel{2}}$

$\\ \\\sf \rightarrow \: \frac{1}{2} × \frac{1}{2} + \frac{1}{2}× \frac{1}{2}$

$\\ \\ \sf \rightarrow \: \frac{1}{4} + \frac{1}{4}$

$\\ \\ \sf \rightarrow \: {\cancel \frac{2} {4}}$

$\\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \implies \fbox{\pink {\frac{1}{2}}}$

3 0

2 years ago

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