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Andrew [12]
3 years ago
8

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4.

Mathematics
2 answers:
Lilit [14]3 years ago
7 0
The answer is A) 3.
I hope this helps.
Westkost [7]3 years ago
5 0
A.) 3 Because You Need To Find Out What Makes X 7.5 And Y 10 By Dividing It When You Divide 10 By 7.d You Get .75 Then Multiply 4 By .75

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Solve the inequality 2x+y >1
Wittaler [7]
The answer is y>-2x+1
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3 years ago
Two angles are supplementary. One angle is 5degrees° more than six times the other. Find the measure of each angle.
kolbaska11 [484]
Well do you know what a supplementary angles is ?
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6 0
3 years ago
Find a polynomial f(x) of degree 3 that has the following zeros.
JulijaS [17]

Answer:

f(x) = x(x - 4)(x + 3)

Step-by-step explanation:

given f(x) with zeros x = a and x = b then the corresponding factors are

(x - a) and (x - b)

f(x) is then the product of these factors

Given zeros are x = 4, x = 0, x = - 3 then the factors are

(x - 4) , (x - 0), (x - (- 3)) , that is

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f(x) = x(x - 4)(x + 3)

3 0
2 years ago
What is the value of i=
vaieri [72.5K]

\sum\limits_{t=1}^3\left(4\cdot\left(\dfrac{1}{2}\right)^{t-1}\right)=4\cdot\left(\dfrac{1}{2}\right)^{1-1}+4\cdot\left(\dfrac{1}{2}\right)^{2-1}+4\cdot\left(\dfrac{1}{2}\right)^{3-1}\\\\=4\cdot\left(\dfrac{1}{2}\right)^0+4\cdot\left(\dfrac{1}{2}\right)^1+4\cdot\left(\dfrac{1}{2}\right)^2=4\cdot1+4\cdot\dfrac{1}{2}+4\cdot\dfrac{1}{4}\\\\=4+2+1=7\\\\Answer:\ \boxed{D.\ 7}

5 0
3 years ago
X value pls <br><img src="https://tex.z-dn.net/?f=3%28%20%5Cfrac%7B1%7D%7B6%7D%20x%20%5Ctimes%209%29%20%3D%20%20%5Cfrac%7B1%7D%7
Olenka [21]

Answer: x=

-27/4

-6.75

-6 3/4

. . . . . . . . . . . . . . .

4 0
3 years ago
Read 2 more answers
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