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Licemer1 [7]
3 years ago
5

PLEASE HELP ILL GIVE 50 POINTS AND I WILL MARK BRAINLIEST

Mathematics
2 answers:
kherson [118]3 years ago
4 0
See attached picture for the answers:

kiruha [24]3 years ago
4 0

Answer:

y=-x4


Step-by-step explanation:

go to desmos on google in graph it

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Which of the following expressions represents "the quotient of nine times a number and seven"?​
irga5000 [103]

Answer:

I think it's 9x/7

Step-by-step explanation:

Hope my answer has helped you.

3 0
3 years ago
Mr. Smith built a rectangular-shaped sandbox for his children, measuring 4 feet by 4 feet by 6 inches. Sand has a density of app
ehidna [41]

Answer:

To completely fill the sandbox will cost $56

Step-by-step explanation:

First, we calculate volume of the rectangular-shaped sandbox:

V=long*with*height\\V=4feet*4feet*0.5feet\\V=8cubicfoot

We know that density of sand is 100 pounds per cubic foot. Then, to fill the sand box that has a volume of 8 cubic foot, we calculate by rule 3:

1cubic foot..............100 pounds

8 cubic foot.............x pounds

x=\frac{8*100}{1}

x=800 pounds

We will need 800 pounds of sand to fill the sandbox, then we can calculate by rule 3 the number of bags needed and next the total cost of them:

50 pounds.......1bag

800 pounds.....x bags

x=\frac{800*1}{50} \\x=16

To calculate the cost:

1 bag ..................$3.50

16 bags.................$x

x=16*3.50\\x=$56

To completely fill the sandbox will cost $56

4 0
3 years ago
The cafeteria ordered 400 paper plates they use 226 at breakfast they bought 100 more then they use some plates for lunch now th
stiv31 [10]
196 plates were used at lunch
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3 years ago
Read 2 more answers
Which best explains whether a triangle with side lengths 5 cm, 13 cm, and 12 cm, is a right triangle?
Llana [10]
The Pythagorean Proposition can help you explain this:
{a}^{2}  =  {b}^{2}  +  {c}^{2}  \\ {13}^{2}  =  {5}^{2}  +  {12}^{2}  \\ 169 = 25 + 144
7 0
3 years ago
Read 2 more answers
Amber has 5/2 pounds of salt dough for a project. she writes this equation to show 5/2. 5/2= 5×1/2
Alona [7]
If you would like to know whether or not what she wrote is accurate, it is.

Hope that helps!
3 0
3 years ago
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