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2 years ago

Question 7 - (-3)= PLEASE HELP ME!!!

Mathematics

2 answers:

Roman55 [17]2 years ago

7 0

Answer:

Step-by-step explanation:

7-(-3)

=7+3

=10

Hope this is helpful

PtichkaEL [24]2 years ago

4 0

Answer:

Step-by-step explanation:

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If a Play Station was bought for $450 after a 10% discount what was the original price of the Play Station?

Gemiola [76]

If it was bought after 10% discount, it means it was bought at 90% of the original price:
90% = $450
1% = $5
100% = $5 x 100
100% = $500

The original price of the Play Station was $500.

7 0

3 years ago

......,................

dem82 [27]

Answer:

Step-by-step explanation:

Given

4n² + 4(4m³ + 4n² ) ← distribute terms in parenthesis by 4

= 4n² + 16m³ + 16n² ← collect like terms

= (4n² + 16n²) + 16m³

= 20n² + 16m³

= 16m³ + 20n² ← in standard form → A

3 0

3 years ago

Find the length of a diagonal of a square with sides 10in. long

Ghella [55]

Hey!!!
Answer is....
diagonals of square bisect each other at right angles.
let diagonal be 2x
Using Pythagoras in a triangle enclosed by a side and 2 half diagonals...
${x}^{2} + {x}^{2} = {10}^{2}$
$2 {x}^{2} = 100$
${x }^{2} = 50$
$x = \sqrt{50}$
side of a diagonal=2 sqrt50
$= 10 \sqrt{2}$
cm......

HOPE IT HELPS YOU '_'

3 0

3 years ago

Read 2 more answers

Which of the following statements are always true?

Igoryamba

Answer: A trapezoid is always a parallelogram.

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Please find the m∠DEY

GrogVix [38]

Answer:

41, x=-5

Step-by-step explanation:

m<DEY = m<FEY, by angle bisector theorem

(9x-4) = 41

9x = 45

x = 5

m<DEY = 41

6 0

3 years ago