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2 years ago

Solve for x √4x-3=5 check extraneous or not

Mathematics

1 answer:

dexar [7]2 years ago

6 0

Answer:

ok i ned time

Step-by-step explanation:

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The face of a clock has a circumference of 63 in. What is the area of the face of the clock?

ryzh [129]

Answer:

The area of the clock $= 315.41\ inch^{2}$

Step-by-step explanation:

We have been given the face of the clock that is $63\ in$

So that is also the circumference of the clock.

Since the clock is circular in shape.

So $2\pi(r)=63\ inch$

From here we will calculate the value of radius $(r)$ of the clock that is circular in shape.

Then $2\pi(r)=63\ inch =\frac{63}{2\pi} = 10.02\ in$

Now to find the area of the clock we will put this value of (r) in the equation of area of the circle.

Now $\pi (r)^{2}=\pi(10.02)^{2}=315.41\ in^{2}$

So the area of the face of the clock = $315.41\ in^{2}$

6 0

3 years ago

Help me it’s a test !!! Please!!

Tanzania [10]

Answer:

looks hard

Step-by-step explanation:

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5 0

3 years ago

Consider (cosine (StartFraction pi Over 2 EndFraction) = I sine (StartFraction pi Over 2 EndFraction) ) and z = 3 (cosine (Start

Vladimir79 [104]

Answer:

Step-by-step explanation:

got it right on EGDE 2020

7 0

3 years ago

Solve using substitution<br> y=3x-5<br> 2x+5y=-42

Paul [167]

Answer:

Solution point is (-1,-9)

Step-by-step explanation:

Put the value of y in the first equation into the second equation.

2x + 5(3x - 5) = - 42 Remove the brackets on the left
2x + 15x - 25 = - 42 Combine like terms on the left
17x - 25 = - 42 Add 25 to both sides
17x - 25 + 25 = - 42 + 25 Do the addition
17x = - 17 Divide by 17
17x/17 = -17/17 Do the division
x = - 1

=======

Solve for y

y = 3x - 6
x = -1
y = 3(-1) - 6
y = -3 - 6
y = - 9

6 0

3 years ago

The ratio of water to punch mix is 8 parts to 1 part. If you use 6 gallons of water predict the amount of punch mix to use

Valentin [98]

Answer:

The amount of punch mix to use is 3/4 gallons

Step-by-step explanation:

Let

x ----> parts of water

y ---> parts of punch mix

we know that

$\frac{x}{y} =\frac{8}{1}$

$x=8y$ ----> equation A

That means ---> The parts of water is 8 times the parts of punch mix

If we have 6 gal of water

then

$x=6\ gal$

substitute in the equation A

$6=8y$

solve for y

$y=\frac{6}{8}\ gal$

Simplify

$y=\frac{3}{4}\ gal$

therefore

The amount of punch mix to use is 3/4 gallons

6 0

3 years ago

Solve for x √4x-3=5 check extraneous or not​

Solve for x √4x-3=5 check extraneous or not