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worty [1.4K]
3 years ago
9

Whoever answers this question correctly will get a 5.0 rating, thanks, and a brainlyist.

Mathematics
1 answer:
stira [4]3 years ago
3 0
The answer will be B because if you multiply 1/4 times 2/5 you get 1/10
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Find each product.Is it an enlargement or reduction?
allsm [11]
Yessss that should be correct
4 0
2 years ago
PLEASE HELP ITS URGENT!!<br> Given: △ABC is isosceles; 1 ≅ 3<br> Prove: AB || CD
Dmitrij [34]

Answer:

AB ║ CD. (Proved)

Step-by-step explanation:

See the attached diagram of the triangle.

It is given that Δ ACD is an isosceles triangle.

Therefore, AC = AD and ∠ ACD = ∠ ADC, ⇒ ∠ 3 = ∠ 4 .......... (1)

Again, given that ∠ 1 = ∠ 3 ........... (2)

Now, from equations (1) and (2) we can write, ∠ 1 = ∠ 4

Now, AB and CD are two straight lines and AD is the transverse line and hence, ∠ 1 and ∠ 4 are alternate angles that are equal.

Therefore, AB and CD are parallel straight lines and AB ║ CD. (Proved)

4 0
3 years ago
Sin(3pi over 4) = _____
OlgaM077 [116]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/2790456

______________


\mathsf{sin\!\left(\dfrac{3\pi}{4}\right)}\\\\\\ =\mathsf{sin\!\left(\dfrac{3\cdot 180^\circ}{4}\right)}\\\\\\ =\mathsf{sin(135^\circ)}\\\\ =\mathsf{sin(180^\circ-135^\circ)}

=\mathsf{sin(45^\circ)}\\\\ =\mathsf{\dfrac{\sqrt{2}}{2}}\quad\longleftarrow\quad\textsf{this is the answer.}


I hope this helps.=)


Tags:  <em>sine sin common angles trig trigonometry </em>

8 0
3 years ago
(5x-12)+(3x+30)+(48)
skelet666 [1.2K]

Answer:

8x+66

Step-by-step explanation:

8 0
3 years ago
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Elena L [17]

Answer:

8:6

Step-by-step explanation:

if you have 8 blue gumballs and 6 pink gumballs the ratio is 8:6

8 0
3 years ago
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