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12345 [234]
3 years ago
13

What is that answers ? please

Mathematics
1 answer:
Sindrei [870]3 years ago
3 0
He should make 1536 ounces of salad
128*12=1536
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Which set of rational numbers is arranged from least to greatest?
Studentka2010 [4]

Answer:The first choice


Step-by-step explanation:As you can see all other question have 1 before 1 over 9 which 1 over nine is about 0.1111...


6 0
3 years ago
Anybody know the answer??
Anastasy [175]
The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.
4 0
4 years ago
A rocket is shot off from a launcher. The accompanying table represents the height of the rocket at given times, where x is time
galben [10]

Answer:

The height at time of 12.1 seconds is approximately 729.2562 feet

Step-by-step explanation:

The general form of the quadratic regression equation is y = A + Bx + Cx²

The quadratic regression formula is given as follows;

B = \dfrac{S_{xy}S_{x'x'}-S_{x'y}S_{xx'}}{S_{xx}S_{x'x'} -(S_{xx'})^2}

C = \dfrac{S_{x'y}S_{xx}-S_{xy}S_{xx'}}{S_{xx}S_{x'x'} -(S_{xx'})^2}

A = \bar y - B \bar x - C \bar {x^2}

S_{xx} = \Sigma (x_i - \bar x)^2

S_{xy} = \Sigma (x_i - \bar x)(y_i - \bar y)

S_{xx'} = \Sigma (x_i - \bar x)(x^2_i - \bar {x^2})

S_{x'x'} = \Sigma (x^2_i - \bar {x^2})^2

S_{x'y} = \Sigma (x^2_i - \bar {x^2})(y_i - \bar {y})

Solving using an online quadratic regression calculator, gives;

A = 2.5643259

B = 246.6374865

C = -15.41986006

Substituting gives;

y = 2.5643259 + 246.6374865·x -15.41986006·x²

When time, x = 12.1, we have;

y = 2.5643259 + 246.6374865×12.1 -15.41986006×12.1²≈ 729.2562 feet

The height at time of 12.1 seconds ≈ 729.2562 feet.

8 0
3 years ago
F(x)=tgx*ctgx.calculați derivata funcției
Marina86 [1]
Nota: am folosit Google Translate așa că sper sensul nu se pierde în traducere<span>

Sunt presupunând că t, g, și c sunt constante

</span>simplifica

f(x)=cg²t²x²

amintiți-vă că derivitive de af (x), în cazul în care a este o constantă este un lucru ori mai mare decât derivitve lui f (x)

f(x)=cg²t²(x²)

<span>Amintiti-va: derivitive lui x^n este nx^{n-1}</span>
<span>

</span>
<span>f'(x)=cg²t²(2x¹)
f'(x)=cg²t²(2x)
f'(x)=2cg²t²x</span>
5 0
3 years ago
What can you say about his average speed?
Nikitich [7]
The answer should be E. 223- 6s = 0
5 0
3 years ago
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