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Naily [24]
3 years ago
8

James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round

your answer to the nearest whole percent. Enter your answer in the box. [ ] %
Mathematics
1 answer:
diamong [38]3 years ago
6 0

Answer:

Was it James charles who estimated the total cost

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Help please<br><br> my teacher is putting in grade TODAY so i really need help
IRINA_888 [86]

Answer: 130 ft^2

Step-by-step explanation:

Area= 2(wl+hl+hw)

Area= 2(5•10+1•10+1•5)

Area= 2(50+10+5)

Area= 2(65)

Area= 130

5 0
3 years ago
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What is the measure of angle y in this figure?​
dezoksy [38]

Answer:

163

Step-by-step explanation:

vertical angles are congruent

4 0
3 years ago
A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9
o-na [289]

Answer:12.74 ft^2/s

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let \thetais the angle between them thus

Area of triangle when two sides and angle between them is given

A=\frac{ab\sin C}{2}

A=\frac{5\times 7\times \sin \theta }{2}

Differentiate w.r.t time

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}

at \theta =\frac{\pi }{5}

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9

\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s

4 0
3 years ago
Which table and graph represents y=3x
LekaFEV [45]

Answer:

Table A and Graph B

Step-by-step explanation:

It is Graph B because of the equation's slope which is 3. This 3 is represented as \frac{3}{1} as a slope or as a "rise over run", this means that the graph goes up by 3 units while going right by 1 unit.

It is Table A because the points in the graph match with the points which Graph B goes through.

7 0
2 years ago
Choose the correct graph that shows the preimage and
irina [24]

Answer:

I think that would be A sorry if I'm wrong

7 0
3 years ago
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