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3 years ago

11

PLEASE I NEED HELPP !!o

1 answer:

Nikitich [7]3 years ago

3 0

Answer:

I believe that the answer is Angle DBC and angle BDA form a pair of alternate interior angles that are congruent, not a pair of vertical angles.

Step-by-step explanation:

You might be interested in

If you can walk 4.9 miles in 2.9 hours, how many minutes does it take to walk 8.73 miles? Round to 1 decimal.

gavmur [86]

Step-by-step explanation:

2.9 hours = 174mins

174 mins = 4.9miles

1 miles = 1740/49 mins

8.73 miles = 310.0mins (1dp)

Topic: Rate & Proportions

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

3 0

3 years ago

Julia completes her homework in an hour. She spends 7/12 of the time doing her math homework and 1/6 of the time practicing her

dsp73

Answer:

15 min

Step-by-step explanation:

Julia spends $\frac{7}{12}$ in math.

and spends $\frac{1}{6}$ in spelling.

Lets make $\frac{1}{6}*2=\frac{2}{12}$ for calculation propuses.

Julia spends $\frac{7}{12} +\frac{2}{6}=\frac{9}{12}$ doing her math and spelling homework.

And lets make $1 hour =\frac{12}{12}$

$\frac{12}{12}-\frac{9}{12} =\frac{3}{12}$ and $\frac{3}{12} / 3 =\frac{1}{4}$

So, Julia spends $\frac{1}{4} hour$ in reading.

If I divide an hour into 4 equal units, each unit equals 15 min, so 1 unit is 15 min.

Julia spends 15 min in reading.

4 0

3 years ago

Draw an area model. Then, Solve using the standard algorithm.<br> 642 x 257

Darina [25.2K]

Answer:

642 × 257 = 164,994

I hope it is helpful

4 0

3 years ago

URGENT!!! Please help me with this question!!!!!! I will not accept nonsense answers!

SOVA2 [1]

Answer:

B

Step-by-step explanation:

The inscribed angle's arc measures 36°, and central angle's arc measures 72°.

6 0

3 years ago

Read 2 more answers

100 points PLEASE ANSWER ASAP thank you so much

Fudgin [204]

Answer:

$\textsf{Apply the Perfect Square Formula}\quad (a + b)^2 = a^2 + 2ab + b^2:$

$\implies (a+bi)^2=a^2+2abi+(bi)^2$

$\textsf{Apply exponent rule} \quad (a\cdot b)^c=a^cb^c:$

$\implies a^2+2abi+b^2i^2$

$i=\sqrt{-1} \implies i^2=-1$

$\textsf{Apply imaginary number rule} \quad i^2=-1:$

$\implies a^2+2abi+b^2(-1)$

$\implies a^2+2abi-b^2$

$\textsf{Collect the real parts:}$

$\implies a^2-b^2+2abi$

$\textsf{Factor the real parts by applying the Difference of Two Squares Formula}\\x^2-y^2=(x+y)(x-y) :$

$\implies (a+b)(a-b)+2abi$

4 0

2 years ago

Read 2 more answers