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Vika [28.1K]
2 years ago
5

I’d appreciate it please helpppp

Mathematics
2 answers:
xxTIMURxx [149]2 years ago
4 0

Answer:

The answer is B. a proportional graph is a straight line that always goes through the origin 0, 0

Alexandra [31]2 years ago
4 0

Answer:

The answer is B

Step-by-step explanation:

The line is straight and it passes through the origin (0,0)

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What is the slope intercept form of -11x+2y=1?
ikadub [295]

Answer:

y=  11/2 x+1/2

Step-by-step explanation:

Slope Intercept form: y = mx + b where m = slope of the line, b = y intercept and (x,y) are coordinate points on the line.

To put this in slope-intercept form, you need to solve the equation for y

-11x + 2y  =  1

<u>+11x             +11x</u>  add 11x to both sides of the equation

      <u>+2y</u> = <u>1 + 11x</u>

        2         2     Divide both sides by 2 (so y is by itself)

y = 11/2x + 1/2

6 0
3 years ago
What is the fourth term in the binomial expansion of (2x – y) 7?
nata0808 [166]

Answer:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

Step-by-step explanation:

For this case we have the following expression:

(2x-y)^7

And we can use the binomial theorem given by:

(x+y)^n =\sum_{k=0}^n (nCk) x^k y^{n-k}

And for this case we want to find the fourth term and using the formula we have:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

8 0
2 years ago
Luke delivered 225 circulars on traft street 134 on 87th street 218 on roosevelt street and 229 on jones circle. how many did he
11111nata11111 [884]
225+134+218+229=806 circulars
6 0
3 years ago
Read 2 more answers
What is 1÷ (3/4) = ?
Valentin [98]

Answer:

Step-by-step explanation:

You can get your calculator to do this for you. 3 ÷ 4 = 0.75

1 ÷ 0.75 = 1.3333

or you can divide by 3/4 by hand

1

----

1

=====

3

-----

4

1        *     4

---  -----------  ====== 1.33333

1        *     3      

4 0
3 years ago
Y varies directly with x, and y = 5 when x = 4. What is the value of x when y = 8?
Tomtit [17]
As y varies directly with x, there is a proportionality constant. As x increases by that certain constant, y also increases. We equate:
y = kx
where k = proportionality constant.
Given the condition, y = 5 when x = 4, then we solve for k:
5 = k(4)
k = 5/4 or 1.25
When y = 8, then
8 = (5/4)(x)
x = 8/(5/4) = (8)(4/5) = 32/5 or 6.4 (ANSWER)
7 0
3 years ago
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