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2 years ago

Helppppppp plissssssssssss

Mathematics

1 answer:

VikaD [51]2 years ago

7 0

Answer: Option W

Step-by-step explanation:

A function cannot have multiply y values for a single x value, so the only option that satisfies this rule is option W, the top left.

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For every 2 miles that i run , Rubio runs 5 miles. If i ran 12 miles last week, How many miles did Rubio run ?

liraira [26]

The answer is 30. 2x6 is 12 so you would do 5x6 which is 30

5 0

3 years ago

Find a formula for the function f(x) such that f′(x)=(ln(x))^2/x and f(2)=6

Rzqust [24]

F(x)= ∫ln²x/x dx= ∫ln²xd(lnx) cause d(lnx)= (lnx)'dx=1/x dx
= ln³x/3 +C with C is constant
In addition, we have f(2)=6, so we have 6=ln³2/3+C
or C= 6- ln³2/3
And f(x)= ln³x/3+ 6- ln³2/3

4 0

3 years ago

If f(x)=x/2+8, what is(fx) when x=10

Serjik [45]

Answer:

Step-by-step explanation:

$f(x) = \frac{x}{2} + 8 \\ plug \: x = 10 \\ f(10) = \frac{10}{2} + 8 \\ f(10) = 5 + 8 \\ f(10) = 13 \\ \implies \: f(x) = 13 \\$

4 0

3 years ago

Read 2 more answers

In the figure below, angle y and angle x form vertical angles. Angle y forms a straight line with the 60° angle and the 70° angl

Dmitry_Shevchenko [17]

Answer:

The value of x is 50°.

Step-by-step explanation:

We know that:

x = y
2(70 + 60) + x + y = 360

Work:

2(130) + x + x = 360
=> 260 + 2x = 360
=> 2x = 360 - 260
=> 2x = 100
=> x = 50

Hence, the value of x is 50°.

Hoped this helped.

$BrainiacUser1357$

7 0

2 years ago

Read 2 more answers

If the length of each side of an equilateral triangle were increased by 50 percent, what would be the percent increase in the ar

Shkiper50 [21]

Answer:

The area increase by 225%

Step-by-step explanation:

attachment of a triangle

The area of a triangle equilateral is calculated with the next formula:

A= $\frac{a*h}{2}$

$h^{2} +(\frac{a}{2})^{2}$ = $a^{2}$

$h^{2} = a^{2} - \frac{a^{2} }{4}$ = $\frac{a^{2} }{4}$ *3

h= $\sqrt{\frac{a^{2}*3 }{4} }$

h= $\frac{\sqrt{3}*a }{2}$

replacing in the A equation:

A= $\frac{a*\sqrt{3}*a }{2*2}$ 

A= $\frac{\sqrt{3}*a^{2} }{4}$ 

Now each side increse by 50% ⇒ a=1.5a

A= $\frac{\sqrt{3}*(1.5a)^{2} }{4}$ 

A= $\frac{\sqrt{3}*a^{2}* 2.25 }{4}$ 

A=2.25 * $\frac{\sqrt{3}*a^{2} }{4}$ 

It means that the area incrase by 225%

6 0

3 years ago