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shusha [124]
2 years ago
14

Hi i need help please

Mathematics
1 answer:
Artyom0805 [142]2 years ago
3 0
I’m not that sure but I think it’s 58
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A washer and a dryer cost $552 combined. The washer costs $98 less than the dryer. What is the cost of the dryer?
Sedaia [141]

552-98 = 450

454/2 = 227

washer cost $227

 227+98 = 325

dryer cost $325

 

5 0
3 years ago
I need help please. Thanks
Agata [3.3K]

Given:

m∠APD = (7x + 1)°

m∠DPC = 90°

m∠CPB = (9x - 7)°

To find:

The measure of arc ACD.

Solution:

<em>Sum of the adjacent angles in a straight line = 180°</em>

m∠APD + m∠DPC + m∠CPB = 180°

7x° + 1° + 90° + 9x° - 7° = 180°

16x° + 84° = 180°

Subtract 84° from both sides.

16x° + 84° - 84° = 180° - 84°

16x° = 96°

Divide by 16° on both sides.

x = 6

m∠APB = 180°

m∠BPD = (9x - 7)° + 90°

             = (9(6) - 7)° + 90°

             = 47° + 90°

m∠BPD = 137°

m∠APD = m∠APB + m∠BPD

             = 180° + 137°

             = 317°

<em>The measure of the central angle is congruent to the measure of the intercepted arc.</em>

m(ar ACD) = m∠APD

m(ar ACD) = 317°

The arc measure of ACD is 317°.

8 0
3 years ago
Try to prove the hypothesis from part B that the sum of a rational and an irrational number is an irrational number.
Maurinko [17]

The next step of your proof is to subtract (a/b) from both sides.

Then you get, x = (m/n) - (a/b)

Since rationals are closed over addition, (m/n) + (-a/b) is a rational number.

Therefore, x (an irrational number) = a rational number                            <em>This is a false statement which is a contradiction. So, the assumption was incorrect.</em>

Thus, the sum of a rational and irrational number is an irrational number. QED

8 0
3 years ago
9 and 12 are relatively prime.<br> True or false
telo118 [61]

Answer:

False.

Step-by-step explanation:

Because 12 and 9 are both multiples of 3.

5 0
2 years ago
Please answer asap
vesna_86 [32]

Answer:

(B)permits only certain substances to leave but all to enter

3 0
3 years ago
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