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svetoff [14.1K]
3 years ago
12

What is 1+12x-40 evaluated

Mathematics
2 answers:
vlada-n [284]3 years ago
7 0

Answer:

12x-39

Step-by-step explanation:

40-1=39

nignag [31]3 years ago
4 0

Answer:

I am assuming you want it factored. 3(4x-13)

Step-by-step explanation:

The gcf is 3, so you factor it out of the equation to get 3(4x-13)

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Ryan and Scott are each studying a square pyramid.
dolphi86 [110]
<span>Surface Area <span>= [Base Area] + 12 × Perimeter × [Slant Length]
</span></span><span>
Ryan square pyramid
</span>[Base Area]=10*10=100 feet²
<span>Perimeter=10+10+10+10=40 feet
</span>[Slant Length]=12 feet
Surface Area=100+12*40*12=5860 feet²
Scott square pyramid  
[Base Area]=12*12=144 feet²
Perimeter=12+12+12+12=48 feet
[Slant Length]=10 feet
Surface Area=144+12*48*10=5904 feet²

the answer is 
<span>D.Scott’s pyramid has a greater surface area.</span>
3 0
2 years ago
Read 2 more answers
Determine the minimum value of f(x, y, z) = 2x 2 + y 2 + 2z 2 + 5 subject to the constraint 3x + 2y + 3z = 4. +
vlada-n [284]
<span>We want to optimize f(x,y,z)=x^2 y^2 z^2, subject to g(x,y,z) = x^2 + y^2 + z^2 = 289. 

Then, ∇f = λ∇g ==> <2xy^2 z^2, 2x^2 yz^2, 2x^2 y^2 z> = λ<2x, 2y, 2z>. 

Equating like entries: 
xy^2 z^2 = λx 
x^2 yz^2 = λy 
x^2 y^2 z = λz. 

Hence, x^2 y^2 z^2 = λx^2 = λy^2 = λz^2. 

(i) If λ = 0, then at least one of x, y, z is 0, and thus f(x,y,z) = 0 <---Minimum 
(Note that there are infinitely many such points.) 
(f being a perfect square implies that this has to be the minimum.) 

(ii) Otherwise, we have x^2 = y^2 = z^2. 
Substituting this into g yields 3x^2 = 289 ==> x = ±17/√3. 

This yields eight critical points (all signage possibilities) 
(x, y, z) = (±17/√3, ±17/√3, ±17/√3), and  
f(±17/√3, ±17/√3, ±17/√3) = (289/3)^3 <----Maximum 

I hope this helps! </span><span>
</span>
8 0
3 years ago
PLEASE help me with this question! This is really urgent! No nonsense answers please.
stepan [7]

Answer:

The last answer choice: Phillip will lose (1/2) of his points in his next crash.

Step-by-step explanation:

For every crash, Phillips points will continue to reduce by (1/2) the amount that he currently has.  That means after 1 crash, he will 5,000 points left.  After 2 crashes, he will have 2,500 points left.  After 3 crashes, he will have 1250 points left.  After 4 crashes, he will have 625 points left, and so on like that.

6 0
3 years ago
Zubin drew a circle with right triangle PRQ inscribed in it, as shown below: The figure shows a circle with points P, Q, and R o
iris [78.8K]

The measure of angle PQR when Zubin drew a circle with right triangle will be 65°.

<h3>How to find the measure of the angle?</h3>

From the information given, when Zubin drew a circle with right triangle, arc QR measures 50 degrees.

Therefore, the measure of angle PQR will be:

= 180° - 90° - (1/2 × 50°)

= 180° - 90° - 25°

= 65°

In conclusion, the angle is 65°.

Learn more about circle on:

brainly.com/question/24375372

7 0
2 years ago
Give your answer to four decimal places
Maslowich

Answer:

The characteristic of a logarithm is the number to the left of the decimal.

(The characteristic is like an exponent).

We are working with base 3 logs.  

So if we are increasing a number by multiplying it by the base of the logarithm, (in this case 3 times 3)  then we increase the characteristic by two.

Since 2 is the exponent of 3^2 then to get the log 3 of 72, we get the log3 (8) and increase it by 2.

1.8928 +2 = 3.8928

Had we been working with base 10 logs and we were multiplying a number by 100, We would increase the characteristic by 2 because 100 = 10^2.

Step-by-step explanation:

4 0
3 years ago
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