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3 years ago

Help please I don’t know what to do ASAP last question

Mathematics

2 answers:

Kipish [7]3 years ago

8 0

Answer:

y = x - 3/5

Step-by-step explanation:

Hope this helps

kumpel [21]3 years ago

5 0

Answer:

y = x - 3/5

Step-by-step explanation:

Slope = -1

(0 , -3/5)

y - y1 = m(x - x1)

y + 3/5 = -1(x - 0)

y + 3/5 = x

y = x - 3/5

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The model represents an equation. What value of X makes the equation true?

Anettt [7]

Answer:

D. 3

Step-by-step explanation:

Assuming the model represents an equation, the following can be deduced:

On the left side of the equation, the model shows we have 3 "x's", and 6 "1's". Let this represent:

3x + 6

On the right side of the equation, we have 2 "x's" and 9 "1's". Let this represent:

2x + 9.

The model would represent the equation below:

$3x + 6 = 2x + 9$

Solve for x

$3x + 6 - 2x = 2x + 9 - 2x$ (Subtracting 2x from both sides of the equation)

$x + 6 = 9$

$x + 6 - 6 = 9 - 6$ (subtracting 6 from both sides of the equation)

$x = 3$

8 0

3 years ago

Yoko, trey, and alan have a total of $115 in their wallets. Alan has 3 times what Yoko has. Yoko has $5 less than Trey. How much

andriy [413]

Answer:

Yoko has $22, Alan has $66, and Trey has $27

Step-by-step explanation:

Let x represent how much money Yoko has.

Alan has 3 times as much as Yoko, so his amount can be represented by 3x.

Trey has $5 more than Yoko, so his amount can be represented by x + 5.

Add these together and set them equal to 115. Then, solve for x:

(x) + (3x) + (x + 5) = 115

5x + 5 = 115

5x = 110

x = 22

So, Yoko has $22.

Alan has 3 times as much, so multiply this by 3:

22(3) = 66

Alan has $66.

Yoko has $5 less than Trey, so add 5 to this:

22 + 5 = 27

Trey has $27.

Yoko has $22, Alan has $66, and Trey has $27

4 0

3 years ago

Does xy+7y=1 define x? Yes or no?

Nina [5.8K]

Answer:

Yes it is, You can rearrange the expression to find that y is uniquely determined in terms of x, therefore a function.

Step-by-step explanation:

6 0

3 years ago

Let the x and y represent the tens digit and ones digit of a two digit number respectively. The sum of the digits of a two-digit

olga2289 [7]

Answer:

The Original Number is 36 :)

explanation:

4 0

3 years ago

The sum of the squares of three consecutive positive integers is 7805. What is the sum of the cubes of the three original intege

Vitek1552 [10]

Answer:

398259

Step-by-step explanation:

Let from the given positive integers, x be the smallest integers,

Also, numbers are consecutive,

So, the second integer = x + 1,

Third integer = x + 2,

According to the question,

$x^2+(x+1)^2+(x+2)^2=7805$

$x^2+x^2+2x+1+x^2+4x+4=7805$

$3x^2+6x+5=7805$

$3x^2+6x+5-7805=0$

$3x^2+6x-7800=0$

$x^2+2x-2600$

By middle term splitting,

$x^2+(52-50)x-2600=0$

$x^2+52x-50x-2600=0$

$x(x+52)-50(x+52)=0$

$(x-50)(x+52)=0$

By zero product property,

x-50 = 0 or x + 52 =0

⇒ x = 50 or x = -52 ( not possible )

Hence, numbers are 50, 51, 52,

∵ (50)³ + (51)³ + (52)³ = 125000 + 132651 + 140608 = 398259

6 0

3 years ago