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Elden [556K]
3 years ago
6

c{3}{4} + \frac{1}{2} " alt=" \frac{3}{4} + \frac{1}{2} " align="absmiddle" class="latex-formula">
please help I forgot how to do this​
Mathematics
1 answer:
Gnesinka [82]3 years ago
5 0

Answer:

5/4

Step-by-step explanation:

You just need to multiply 1/2 by 2 to give you a common denominator:

3/4+2/4

From there you can add the numerators:

5/4

HTH :)

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The profits in hundreds of dollars, P(c), that a company can make from a product is modeled by a function of the price, c, they
Jobisdone [24]
The maximum profit is the y-coordinate of the vertex of the parabola represented by the equation.

P(c)=-20c^2+320c+5120 \\ \\
a=-20 \\
b=320 \\ \\
\hbox{the vertex } (h,k): \\
h=\frac{-b}{2a}=\frac{-320}{2 \times (-20)}=\frac{-320}{-40}=8 \\
k=f(h)=f(8)=-20 \times 8^2+320 \times 8+5120= \\
=-1280+2560+5120=6400

The maximum value is 6400, but the profit is given in hundreds of dollars, so multiply the value by 100.

The maximum profit the company can make is $640,000.
4 0
3 years ago
Read 2 more answers
A laboratory technician can clean 34 pipettes every hour with an automatic washer. How many can he clean in 12 minutes? (Hint: B
Semmy [17]

Answer:

7

Step-by-step explanation:

you can do a ratio where you have 34 over 60 then cross multiply that ratio with x over 12 and 60x=408 and it equals 6.8 but I am assuming you have to round up.

7 0
3 years ago
Read 2 more answers
Write the expression as the logarithm of a single number or expression.<br>4 In 2+3 In 5​
madreJ [45]

Answer:

ln [2^4 * 5^3]

Step-by-step explanation:

Rewrite 4 ln 2 as ln 2^4 and 3 ln 5 as ln 5^3.

Then 4 In 2+3 In 5 = ln 2^4 + ln 5^3, which in turn becomes

ln [2^4 * 5^3]

6 0
3 years ago
ABC has side lenths 20, 24, and 31. Do the side lenghts form a Pythagorean triple?
Brut [27]
No they don't.
Phythagorean triple is when the sum of the squares of two numbers is equal to the square of another number.

20^2 + 24^2 = 400 + 576 = 976
31^2 = 961

20^2 + 24^2 should have been equal to 31^2 but that's not the case. So, the side's length don't form a triple.

Hope it helped!
4 0
3 years ago
There are two machines available for cutting corks intended for use in wine bottles. The first produces corks with diameters tha
sertanlavr [38]

Answer:

Step-by-step explanation:

Given that there are two machines available for cutting corks intended for use in wine bottles.

X1 = diameter of I machine and X2 = diameter of II machine

X1 is N(3.04, 0.02) and X2 is N(2.9, 3.1)

Acceptable is mean =3 and std dev = 0.1

a) P(2.9

b)  P(2.9

Both are certain events.

6 0
4 years ago
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