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Levart [38]
3 years ago
14

Add.

Mathematics
2 answers:
a_sh-v [17]3 years ago
4 0

Answer:

5/6

Step-by-step explanation:

1. Find the least common denominator of 3/10, 8/15. in other words, find the Least Common Multiple of 10, 15.

LCD=30

2. Make the denominators the same as the LCD.

3*3/10*3 + 8*2/15*2

3. Simplify. Denominators are now the same.

9/30 + 16/30

4. Join the denominators.

9+16/30

5. Simplify.

25/30

6. Simplify

5/6

Hope this helps!

Vikki [24]3 years ago
3 0

Answer:

5/6

Step-by-step explanation:

9/30 + 16/30 = 25/30 = 5/6

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Solve for . 5w-26=-4(w-7) Simplify your answer as much as possible. PLZ HELP
NikAS [45]

Answer:

w = 6

Step-by-step explanation:

5w-26 = - 4 (w - 7)   multiply -4 through

5w - 26 = - 4w + 28  add 4w to each side to cancel it out on the right

5w + 4w - 26 = 28  

9w - 26 = 28  Now add 26 to each side

9w - 26 + 26 = 28 + 26

9w = 54   Now divide each side by 9

(9w)/9 = 54/9

w = 6

7 0
2 years ago
What is the end behavior of the function f(x) = -3x4-x3 + 2x2 + 4x + 5?
sp2606 [1]

Answer:

down on left, down on left

Step-by-step explanation:

<em>Look at the first term or the one with the highest degree.</em>

Even Degree and positive coefficient: <em>*</em>up left* and *up right*

Even degree and negative coefficient: *down left* and *down right*

Odd Degree and positive coefficient: *down left* and *up right*

Odd Degree and negative coefficient: *up left* and *down right*

6 0
2 years ago
Read 2 more answers
A billboard designer has decided that a sign should have 4-ft margins at the top and bottom and 1-ft margins on the left and rig
givi [52]

An equation is formed of two equal expressions. The value of x that maximizes the area of the printed region of the billboard is 9.655 ft.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Given x is the left-right width of the billboard and y is the height of the billboard. Therefore,

The total area of the billboard, A= x·y

The total printed area of the billboard, A_p=(x-2)(y-8)

Given in problem that the area of the billboard is 3600 ft².

x·y = 3600

y = (3600)/x

Substituting the value of y in the equation of the total printed area of the billboard,

A_p = (x-2)(\dfrac{3600}{x}-8)\\\\A_p = 3600 -8x -\dfrac{7200}{x} + 16\\\\A_p =3616-8x - \dfrac{7200}{x}

Now, the value of x is needed to be minimum, therefore, differentiating the given function,

\dfrac{d}{dx}A_p =\dfrac{d}{dx}3616-8x - \dfrac{7200}{x}\\\\\dfrac{d}{dx}A_p =-8 - \dfrac{7200}{x^2}

Equate the differentiated function with 0,

0=-8x - \dfrac{7200}{x^2}\\\\8x = - \dfrac{7200}{x^2}\\\\x^3 = 900\\\\x = 9.655 ft.

Hence, the value of x that maximizes the area of the printed region of the billboard is 9.655 ft.

Learn more about Equation:

brainly.com/question/2263981

#SPJ1

4 0
2 years ago
Write 125 as a repeated multiplication 5s. Then write it as a power.
Maru [420]

Answer:

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Step-by-step explanation:

125 is equal to 5 times 5 times 5, and a power is a way to write repeated multiplication, just by saying what number it is and the putting a ^ sign and then saying how many times there is that number. There is 5 three times, so the power is 5^3.

7 0
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Semmy [17]
_11 is the answer Fr
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