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2 years ago

What is the solution set for 4x−3=2x + 5 , given the replacement set {2, 3, 4, 5}?

Mathematics

2 answers:

julia-pushkina [17]2 years ago

7 0

La respuesta correcta es x=2

blsea [12.9K]2 years ago

5 0

4x-3=2x+5
2x=8
x=4
Therefore the answer is C.

Hope this helps :)

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Given that the measure of ∠x is 73°, and the measure of ∠y is 90°, find the measure of ∠z.

Westkost [7]

Answer:

The measure of z is 17

Step-by-step explanation:

90 plus 73 equals 163

180 minus 163 equals 17

8 0

3 years ago

write balanced chemical equation for the process of photosynthesis giving the physical state of all the substances involved in t

RideAnS [48]

Answer:

The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2.

Step-by-step explanation:

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2 years ago

Find the inverse of f(x)=−3/2x+7/2.

timama [110]

Answer: $f^{-1}(x)=-\frac{2}{3}x+\frac{7}{3}$

Step-by-step explanation:

To find the inverse of a function, you want to replace x with y and y with x. Then, you solve for y.

$y=-\frac{3}{2}x+\frac{7}{2}$ [replace y with x and x with y]

$x=-\frac{3}{2}y+\frac{7}{2}$ [subtract both sides by 7/2]

$x-\frac{7}{2} =-\frac{3}{2}y$ [multiply both sides by -2/3]

$-\frac{2}{3} (x-\frac{7}{2} )=y$ [distribute]

$y=-\frac{2}{3}x+\frac{7}{3}$

Now, we have our inverse function.

$f^-^1(x)=-\frac{2}{3}x+\frac{7}{3}$

7 0

3 years ago

suppose a ladder 20 feet long is placed against a vertical wall 20 feet high. How far would the top of the ladder move down the

Taya2010 [7]

You can use the pythagoras theorem.

20^2=5^2+x^2

x^2=400-25
x^2=375

x = 19.36

20-19.36=0.64 feet

The answer is 0.64 feet :)

5 0

3 years ago

A volcanic plug shaped like a cone has a diameter of 24 km and a height of 3 km.

viktelen [127]

$\frac{24}{2}=\\12\\\\V=\frac{1}{3}\pi r^2h=\\V=\frac{1}{3}(3.14)(12)^2(3)=\\V=452.16$

3 0

3 years ago

Read 2 more answers