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Archy [21]
3 years ago
12

a rectangle is a four sided flat shaped where every interior angles is a right angle. Therefore, opposite sides aRE PARALLEL and

consecutive sides are perpendicular.
Mathematics
1 answer:
Schach [20]3 years ago
5 0
This is true. There is no question connected which is why there are no answers!
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Lines AB and CD intersect at P. PR−→− is perpendicular to line AB, and the measure of ∠APD is 170°. A series of intersecting lin
liraira [26]

Answer:

The correct answer is option A.

Step-by-step explanation:

Given : line AB intersect CD at P. PR is perpendicular to AB.

∠APD = 170°

To find = ∠DPB =?

Solution :

line AB intersect CD at P:

So,∠APD =∠BPC = 170° ..[1]

(vertically opposite angles of two straight lines intersecting at common point are equal)

On line CD two angles are ∠BPC ,∠DPB

∠BPC + ∠DPB =180° (supplementary angles)

170°+ ∠DPB =180°

∠DPB =180° - 170° = 10°

So, the measure of ∠DPB is 10°.

8 0
3 years ago
I NEED HELP ON THIS PROBLEM PLS
dedylja [7]

Answer:

only A

Step-by-step explanation:

A is correct because if a number is less than 7, the number under the square root will be negative, and that will yield an imaginary (or non-real number)

B is incorrect because even if you choose a number less than 7, the result will still yield a real number

C is incorrect due to the same logic as B

D is incorrect because you can take the cube root of a negative number without it being non-real.

4 0
3 years ago
Suppose 52% of students chose to study French their junior year, and that meant that there were 312 such students. How many stud
Charra [1.4K]

Answer:

  288

Step-by-step explanation:

If 52% studied French, then 48% didn't. The ratio of those who didn't to those who did is ...

  (didn't study French)/312 = 48%/52% = 12/13

Then the number that didn't study French is ...

  (didn't study French) = 312 × 12/13 = 288 . . . . . . multiply above by 312

288 students chose not to take French their Junior year.

5 0
3 years ago
The gold leaf on your necklace is 0.000045 of an inch thick. How do you write 0.000045 in scientific notation?
vampirchik [111]
0.000045 = <span>00.00045 /10
=</span><span> 000.0045 / 100
</span>= 0000.045 / 1 000
= 00000.45 / 10 000
<span>= 000004.5 / 100 000 = 4.5 * 10^(-5)

That is in</span><span> scientific notation

I hope that helps

</span>
7 0
3 years ago
HELP i need the answer 20 POINTS
sergeinik [125]

Answer:

  y = -1/4(x +4)² +4

Step-by-step explanation:

The equation of a parabola with focus (a, b) and directrix y=d can be written using the form ...

  y = 1/(2(b-d))(x -a)² +(b+d)/2

<h3>Application</h3>

We are given (a, b) = (-4, 3) and d=5. Using these values in the above form gives the equation ...

  y = 1/(2(3-5))(x -(-4))² +(3+5)/2

  y = -1/4(x +4)² +4

3 0
2 years ago
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