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NeX [460]
3 years ago
13

PLEASE HELP ME WITH MY MATH QUESTIONS IF YOU HELP ME I WILL GIVE YOU BRAINLIEST

Mathematics
2 answers:
ankoles [38]3 years ago
7 0
For the graphing if for example it says (3,-9) then you start at the very middle called the origin. Then go to the right 3.(this is called the x-axis) then go down 9 (this is the y axis) stop there and put you point. I hope this kinda helps explain this to you better :/
scoundrel [369]3 years ago
4 0
3,-9 now mark the other person as Brainly
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If the circumfrences is 10m, where can we susbistute 10 into the equation C= pi diameter.
Genrish500 [490]

Answer:

B

Step-by-step explanation:

It would be 10 = pi diameter bc 10 is the circumfrernce. so that'd be B

6 0
3 years ago
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The scale of a model train is 1 inch to 13.5 feet. One of the cars of the model trial is 5 inches long. What is the length, in f
garik1379 [7]
If 1 inch is 13.5 feet, then 5 inches = (13.5 * 5) = 67.5 ft
8 0
3 years ago
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Bradley made a house for his dog, Bowser, out of wood with a cube base and a triangular prism top. The dimensions of the dog hou
Gnoma [55]

Answer:

49.8 ft²

Step-by-step explanation:

the picture in the attached figure

given:

a=3,  b=1   c=1.8

To know the surface area:

surface area of the figure=surface area of cube+surface area of triangular prism

first lets find out the area of cube and triangular prism.

surface area of cube=4*a²

surface area of cube= 4*3² => 36  ft²

surface area of triangular prism=2*[a*c]+2*[a*b/2]  = 2*[3*1.8]+[3*1]

surface area of triangular prism=10.8 +3  = >  13.8 ft²

Therefore,  surface area of the figure=36 ft²+13.8  ft²

surface area of the figure= 49.8 ft²

the answer is:

49.8 ft²

3 0
3 years ago
Write an equation of the line in slope-intercept form.
Katena32 [7]

Answer:

Ex-

y=3x+7

^y=Mx+b form^

6 0
3 years ago
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On a test, the marks for ten students are: 2 students, 85%; 4 students, 78%; 3
anzhelika [568]

Answer:

77.2%

Step-by-step explanation:

The average formula is:

Average = \frac{Sum/of/all/numbers}{How/many/numbers/there/are}

Let's first find the sum of all the numbers (remember sum means to add):

(2)(85) + (4)(78) + (3)(66) + 92 = ?

170 + 312 + 198 + 92 = 772

There are marks for 10 students so that is what goes at the bottom (10 students, 10 test scores)

Plug both things into the equation:

Average = \frac{772}{10} \\= 77.2

Therefore, the average mark on the test was 77.2%

<em>Hope this helps!!</em>

<em>- Kay :)</em>

6 0
3 years ago
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