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3 years ago

Please help me on graphing sine and cosine functions!

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

7 0

Answer:

what's the question the pic is not clear

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Lena [83]

The answer is D, because in the step before that it was proved that the triangles were congruent and CPCTC is used after they are proved congruent.

4 0

3 years ago

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Need help! Does anyone know how to do this type of math? (It's geometry)

mart [117]

Answer:

Step-by-step explanation:

refer the attachment

to solve the question we need to recall one of the most important theorem of circle known as two tangent theorem which states that tangents which meet at the same point are equal that is being said

FA=AI=17
CH=CG=2.5

since $\rm BA=FA+FB$ and it's given that FA and BA are 17 and 29 FB should be

$\rm 29=17+FB$

therefore,

$FB=29-17=\boxed{12}$

once again by two tangent theorem we acquire:

$FB=BH=\boxed{12}$

As BC=BH+CH,BC is

12+2.5
$\boxed{14.5}$

likewise,AD=AI+DI so,

21=17+DI [AD=21(given) and AI=17 (by the theorem)]

thus,

DI=21-17= $\boxed{4}$

By the theorem we obtain:

DI=DG=4

Similarly,DC=DG+CH therefore,

DC=4+2.5= $\boxed{6.5}$

Now finding the Perimeter of ABCD

$P_{\text{ABCD}}=\text{AB+AD+BC+DC}$

substitute what we have and got

$P_{\text{ABCD}}=\text{29+21+14.5+6.5}$

simplify addition:

$P_{\text{ABCD}}=\boxed{71}$

hence,

the Perimeter of ABCD is 71

4 0

3 years ago

Elliot has a total of 26 books. he has 12 more fiction books than nonfiction books. let x represent the number of fiction books

KIM [24]

Answer:

X+Y=26

X-Y=12

Step-by-step explanation:

fiction books= X

non fiction books= Y

then,

fiction books= X

non fiction books = X-12

but Y= X - 12

from. the statement,

X+Y = 26

X-Y=12

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2 years ago

2x^2 + 3 + 3x - 1 please help its combing like terms

Aliun [14]

Answer:

2x^2 + 3x + 2

Step-by-step explanation:

Like terms must have exactly the same variables and exponents on the variables.

2x^2 is not a like term to any other term, so it cannot be combined.

3x is not a like term to any other term, so it cannot be combined.

3 and -1 have no variable, so they are like terms and can be combined.

2x^2 + 3 + 3x - 1 =

= 2x^2 + 3x + 3 - 1

= 2x^2 + 3x + 2

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3 years ago

What is the length of a dresser

NeX [460]

The answer is 35 inches.

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3 years ago

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