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3 years ago

Which angles are congruent to each other?

Mathematics

2 answers:

igomit [66]3 years ago

7 0

angles dea and bec

this is right

serg [7]3 years ago

3 0

Answer:

∠DEA and ∠BEC

Step-by-step explanation:

Because they are vertical angles

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How many subsets of exactly two elements does a set of five elements have?

Sedaia [141]

Do you have any options?

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3 years ago

Xian plans to run 14 laps around a track, each lap is 400 yards which would make his run a total of 5600 yards. So far Xian has

k0ka [10]

Answer:

4.2 laps

Step-by-step explanation:

because 4 laps is 1600+ the 80 which is a 1/5 of 400 causing it to be .2

6 0

2 years ago

URGENT! 40 POINTS! PLEASE HELP!

umka2103 [35]

Answer:

(a) $8 x(5 x-6)=40 x^{2}-48 x$

Step-by-step explanation:

(a) To find verify the answer we need to multiplying the equation $8 x(5 x-6)$

$8 x(5 x-6)=40 x^{2}-48 x$

Thus, this statement is true.

(b) To find verify the answer we need to multiplying the equation $-4 x\left(2 x^{2}+1\right)$

$-4 x\left(2 x^{2}+1\right)=-8 x^{3}-4 x$

Hence, the given statement is false.

$\begin{aligned}(x-3)(5 x-6) &=5 x^{2}-6 x-15 x+18 \\&=5 x^{2}-21 x+18\end{aligned}$

Hence, the given statement is true.

(d) To find verify the answer we need to multiplying the equation $(2 x+3)\left(x^{2}+3 x-5\right)$

$\begin{aligned}=(2 x+3)\left(x^{2}+3 x-5\right) &=2 x^{3}+6 x^{2}-10 x+3 x^{2}+9 x-15 \\&=2 x^{3}+9 x^{2}-x-15\end{aligned}$

Hence, the given statement is false.

4 0

3 years ago

Read 2 more answers

What happens to a figure that is dilated by a factor of ½ .

marshall27 [118]

Answer:

i really dont know

Step-by-step explanation:

6 0

2 years ago

A regular hexagon has an apothem measuring 14cm and an approximate perimeter of 96

cupoosta [38]

112 cm² * 6 triangles = 672 cm²

3 0

3 years ago