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Fed [463]
2 years ago
6

TEST PLZ HELP FOR POINTS

Mathematics
2 answers:
77julia77 [94]2 years ago
7 0
My best answer will be 12
dmitriy555 [2]2 years ago
5 0

Answer:

the answer is 32 for sure

Step-by-step explanation:

pretend that they are two triangles opposite to each other and the use the Pythagoras Theorem

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Slaters room is 5 meters long and 3 1/4 meters wide. What is the area of slaters room?
Flura [38]
Area = l × b
Length = 5 m
Breadth = 3¼ m = 13/4 m

Area =
= 5 × 13/4
= 65/4
= 16.25 m²

Therefore, area of slater's room is 16.25 m²
3 0
3 years ago
Show how you can use the distributive property to multiply 22x85
Zepler [3.9K]
22 x 85 = (20+2)*85= 20*85+ 2*85 = 1700 + 170 = 1870
4 0
2 years ago
Please solve and graph each inequality x-7<-12
Keith_Richards [23]

For this case we must resolve the following inequality:

x-7

Adding 7 to both sides of the inequality:

x

Different signs are subtracted and the major sign is placed.

x

Thus, the solution is given by all the values of "x" less than -5.

The solution set is: (-∞, - 5)

Answer:

x

See attached image

3 0
3 years ago
Bicycle started writing at 8 AM the diagram below shows the distance the bicycle had traveled at different times what was the bi
damaskus [11]
56 hours per hour thats the answer I got
7 0
3 years ago
The circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm.
Nat2105 [25]

Answer:

A) Maximum error = 170.32 cm³

B)Relative error = 0.0575

Step-by-step explanation:

A) Formula for circumference is: C = 2πr

Differentiating with respect to r, we have;

dC/dr = 2π

r is small, so we can write;

ΔC/Δr = 2π

So, Δr = ΔC/2π

We are told that ΔC = 0.5.

Thus; Δr = 0.5/2π = 0.25/π

Now, formula for Volume of a sphere is;

V(r) = (4/3)πr³

Differentiating with respect to r, we have;

dV/dr = 4πr²

Again, r is small, so we can write;

ΔS/Δr = 4πr²

ΔV = 4πr² × Δr

Rewriting, we have;

ΔV = ((2πr)²/π) × Δr

Since C = 2πr, we now have;

ΔV = (C²/π)Δr

ΔV will be maximum when Δr is maximum

Thus, ΔV = (C²/π) × 0.25/π

C = 82 cm

Thus;

ΔV = (82²/π) × 0.25/π

ΔV = 170.32 cm³

B) Formula for relative error = ΔV/V

Relative error = 170.32/((4/3)πr³)

Relative error = 170.32/((4/3)C³/8π³)

Relative errror = 170.32/((4/3)82³/8π³)

Relative error = 170.32/2963.744

Relative error = 0.0575

3 0
3 years ago
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