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evablogger [386]
2 years ago
6

ZABC and ZQRS are supplementary angles.

Mathematics
2 answers:
Elenna [48]2 years ago
5 0

THEOREM:

  • Supplementary angle —: Two angles are called supplementary when their measures add up to 180 degrees.

ANSWER:

By supplementary angle theorem,

  • m∠ABC + m∠QRS = 180°
  • 100° + m∠QRS = 180°
  • m∠QRS = 180° – 100°
  • m∠QRS = 80°

Hence, the measure of m∠QRS is 80°.

Anastasy [175]2 years ago
4 0

Answer:

dum b

Step-by-step explanation:

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7/5 x -3/12 + 7/6 + 7/5 x 1/4
Studentka2010 [4]

Answer:

7/6 or 1.166666667

Step-by-step explanation:

I solved it on calculator

To 1 d.p 1.2

6 0
3 years ago
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In ΔOPQ, the measure of ∠Q=90°, OQ = 80, QP = 39, and PO = 89. What ratio represents the cosecant of ∠P?
Serjik [45]

Answer:

cos(O) = 39 / 89

Step-by-step explanation:

Given:

ΔOPQ, where

∠Q=90°

PO = 89

OQ = 39

QP = 80

cosine of ∠O?

cos(O) = Adjacent / Hypotenuse

cos(O) = 39 / 89

3 0
3 years ago
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(Too lazy to work it out)<br><br> Simplify 7 + (−3).<br><br> A.) -10<br> B.) -4<br> C.) 4<br> D.) 10
frozen [14]

Hi!

7 + (-3) = 7 - 3 = 4

The correct answer is C.) 4.

Hope this helps!

7 0
3 years ago
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Use the formula P=2l+2w to find the perimeter of a rectangle with length l=52 cm and width w=86 cm.
Mashcka [7]
The perimeter for this rectangle is: 276
5 0
3 years ago
Find the value of x.<br> 4<br><br> 14<br><br> 3<br><br> 6
nadezda [96]

Hello from MrBillDoesMath!

Answer:

4

Discussion:

As vertical angles are equal,    Angle 3 = Angle 2,  so

Angle 3 = 3x + 2     (A)

Angles 3 and 7 are corresponding angles and hence equal. So

Angle 3 = Angle 7   =>  use (A) above and Angle 7 =  x + 10

3x + 2 = x + 10  =>   subtract x from both sides

3x -x + 2 = x - x + 10  =>

2x + 2 = 10                 => subtract 2 from both sides

2x = 10 -2 = 8

x = 8/2 = 4


which is the first choice



Thank you,

MrB

5 0
3 years ago
Read 2 more answers
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