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fomenos
3 years ago
9

PLS ASAP!! Thank You

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

y = \frac{1}{2}x - 4

Step-by-step explanation:

Given

y = \frac{1}{2}x

Required

Shift 3\ units down and 2\ units right

y = \frac{1}{2}x

<u>Shift 3 units down</u>

The rule is: (x,y)=> (x,y-a)

Where a is the number of units shifted down

In this case: a = 3

So, we have:

y = \frac{1}{2}x == > y = \frac{1}{2}x - 3

<u>Shift 2 units right</u>

The rule is: (x,y)=>(x-b,y)

Where b is the number of units shifted right

In this case: b = 2

So, we have:

y = \frac{1}{2}x - 3 ==> y = \frac{1}{2}(x - 2) - 3

Open bracket:

y = \frac{1}{2}x - 1 - 3

y = \frac{1}{2}x - 4

Hence, the new equation after the transformation is:

y = \frac{1}{2}x - 4

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The denominator of a fraction is four more than three times the numerator. If both numerator and denominator are increased by fo
Oksanka [162]

Let the numerator = x. Then,

The fraction is x/(3x+4).

If both the numerator and denominator are increased by 4, the fraction will be (x+4)/(3x+8), which, according to the question is equal to 9/25. So,

(x+4)/(3x+8) = 9/25

25(x+4) = 9(3x+8)

25x + 100 = 27x + 72

2x = 28

x = 14

Thus, the numerator is 14 and the denominator is (3*14 + 4), which is equal to 46. So the fraction is 14/46.

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3 years ago
One more than the product of a number, x, and 7 is 5 less than that number, x. Rewrite this as an equation then solve for x.
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Answer:

(7x+1)=x-5

Step-by-step explanation:

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4 years ago
The sum of a number and it's reciprocal is 2 1/30 find the number
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Simplify.<br> -3(2x - 2) + 4<br><br> pls and thank you
Mila [183]
-6x+10 would be ur answer :)
5 0
3 years ago
Read 2 more answers
There is 1000cm3 of aluminum available to cast a trophy that will be in the shape of a right square pyramid. Is this enough alum
stealth61 [152]

The 1000 cubic centimeters of aluminium is enough for aluminium a trophy  that will be in the shape of a right square pyramid and has a base edge of 10 cm and a slant height of 13 cm.

Step-by-step explanation:

The given is,

                    Volume of aluminium available is 1000 cubic centimeters

                    Shape of trophy is right square pyramid

                    Trophy has a base edge of 10 cm and slant height of 13 cm

Step:1

                     Formula for volume of right square pyramid,

                                               Volume, V = a^{2}\frac{h}{3}.....................................(1)

                     Where, a - Base edge value

                                  h - Height of pyramid

                      From given,

                                        a = 10 cm

                                        h = 13 cm

                      Equation (1) becomes,

                                           = 10^{2}(\frac{13}{3}  )

                                           = (100)(4.333)

                                           = 433.33 cm^{3}

             Volume of trophy = 433.33 cubic centimeters

             Compare with the volume of available aluminium and volume of right square pyramid,                          

            Volume of available aluminium > Volume of right square pyramid

                                               1000 cm^{3} > 433.33 cm^{3}

            So, the given volume of aluminium is enough to make right square pyramid shaped trophy.

Result:

          The 1000 cubic centimeters of aluminium is enough for aluminium a trophy  that will be in the shape of a right square pyramid and has a base edge of 10 cm and a slant height of 13 cm.

6 0
3 years ago
Read 2 more answers
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