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Kryger [21]
3 years ago
14

An artist wants to frame a square painting with an area of 400 square inches . she wants

Mathematics
1 answer:
Artemon [7]3 years ago
6 0
(a) x^{2} = 400
(b) \sqrt{x^2} = \sqrt{400}
x=20,-20
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
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Please help i will give you brainly!!!!!!
Vitek1552 [10]

Answer:

1. $33.00

2. $48.00

3. $3.00

4. $36.40

Step-by-step explanation:

44.00 - 25% = 33 —> $33.00

80.00 - 40% = 48 —> $48.00

9.99 - 70% = 2.997 —> (round the 7 up because it's above 5) $3.00

52.00 - 30% = 36.4 —> $36.40

6 0
3 years ago
Jen received 60% on her science quiz.She got 9 question correct.How many total questions were on the science test
andriy [413]
There were 15 questions on the science test.
9 divided by 15 is .60%
4 0
3 years ago
In a cylindrical wooden block with a radius of 7 cm and a height of 14 cm, hemispherical blocks with
Sunny_sXe [5.5K]

9514 1404 393

Answer:

  1372π/3 cm^3 ≈ 1436.8 cm^3

Step-by-step explanation:

The diameter and height of the cylinder are both 14 cm. The resulting solid will be a 14 cm sphere. Its volume is ...

  V = 4/3πr^3 = 4/3π(7 cm)^3 = 1372π/3 cm^3 ≈ 1436.8 cm^3

4 0
2 years ago
To convert a measurement, Pete must move the decimal point to the left 4 places. This is a shortcut for an operation. Which oper
monitta
The operation applied is division.

a simple explanation is that the quantity decreases if you move the decimal to the left, which is the case for division

A power of 10^-4 is involved (you get a negative sign if you shift the decimal to the left: which is another explanation to the above question)
6 0
3 years ago
Read 2 more answers
What is the approximate length of RP? Round to the nearest tenth.
Nimfa-mama [501]
From the circle geometry theorem, a tangent to a circle makes 90° angles with the radius of the circle.
 
RQ is perpendicular to QP
Triangle RQP is a right-angled triangle

by Pythagoras theorem

RP= \sqrt{5.3^{2}+ 3^{2}  }=6.1 units (rounded to one decimal place)
 
3 0
3 years ago
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