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chubhunter [2.5K]
3 years ago
5

1. A 25% discount on a skateboard is $24.75. What is the cost before the discount?

Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer:

1. $33

2. 25%

3. 20%

4. Masako

5. 53.20

6.57.46

Step-by-step explanation:

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PlS HELP ME!!!!!!!!!!!!
Margaret [11]

9514 1404 393

Answer:

  6.  A

  7.  C

  8.  E

Step-by-step explanation:

6. Devon gets $0.45 for each of the s programs he sells, so his pay for selling is 0.45s. He gets a $40 flat rate for each game, so his total pay is ...

  p = 0.45s + 40 . . . . . matches choice A

__

7. Robert gets $25 per hour in tips for each of the x hours he works, so his tip earnings are 25x. He gets a $40 flat rate for each day he works, so his total pay for working x hours is ...

  y = 25x +40 . . . . . matches choice C

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8. The graph of a proportional relationship is a straight line through the origin. This is described by B and C, so choice E is the best.

3 0
3 years ago
Lines AC←→ and DB←→ intersect at point W. Also, m∠DWC=138° .
mr_godi [17]

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°

Solution:

Line \overrightarrow{A C} \text { and } \overrightarrow{B D} intersect at a point W.

Given m \angle D W C=138^{\circ}.

<em>Vertical angle theorem:</em>

<em>If two lines intersect at a point then vertically opposite angles are congruent.</em>

<u>To find the measure of all the angles:</u>

∠AWB and ∠DWC are vertically opposite angles.

Therefore, ∠AWB = ∠DWC

⇒ ∠AWB = 138°

Sum of all the angles in a straight line = 180°

⇒ ∠AWD + ∠DWC = 180°

⇒ ∠AWD + 138° = 180°

⇒ ∠AWD = 180° – 138°

⇒ ∠AWD = 42°

Since ∠AWD and ∠BWC are vertically opposite angles.

Therefore, ∠AWD = ∠BWC

⇒ ∠BWC = 42°

Hence the measure of the angles are

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°.

7 0
3 years ago
A rocket being launched has three engines that are independent of each other. The probability of an engine firing is 0.97. What
zubka84 [21]

Answer:

.0873

Step-by-step explanation:

3 0
3 years ago
Find the numerical value if x=4 and y=5. 3x^2+6y=
Veseljchak [2.6K]

Answer:

228

Step-by-step explanation:

7 0
3 years ago
What digit does B represent? What digit does C represent?
Ganezh [65]
453 + 557 = 1010

P = 0
B = 5 <==
C = 3 <==
Q = 1
5 0
3 years ago
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