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S_A_V [24]
3 years ago
7

R^2-3r-54=0

Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

r = 9, -6

Step-by-step explanation:

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Which shows the numbers 1/10,0.9,3/10 in order from least to greatest
jonny [76]
1/10, 3/10, 0.9
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6 0
3 years ago
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Find the total area of the rectangular prism whose base is 3 feet by 2 feet, and is 5 feet high
uranmaximum [27]

Answer:

The total area of the prism is 30 cubic feet

Step-by-step explanation:

To find the area multiply 3 by 2 by 5

7 0
3 years ago
What is the measure of RST?​
kumpel [21]

Answer:

A. m\angle RST=62^{\circ}

Step-by-step explanation:

We have been given a diagram. We are asked to find the measure of angle RST.

We can see that angle RST is formed by intersecting chords inside the circle, so its measure would be half the sum of intercepted arcs as:

m\angle RST=\frac{\widehat{RT}+\widehat{PQ}}{2}

m\angle RST=\frac{77^{\circ}+47^{\circ}}{2}

m\angle RST=\frac{124^{\circ}}{2}

m\angle RST=62^{\circ}

Therefore, the measure of angle RST is 62 degrees.

6 0
4 years ago
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You buy 3.18 pounds of pears, 1.45 pounds of oranges , and 2.79 pounds of peaches what is your total bill
DerKrebs [107]

Answ32fn333w3243333

Step-by-step explanation:

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4 0
3 years ago
Una compañía sabe que si produce "x" unidades mensuales su utilidad "u" se podría calcular con la expresión:
belka [17]

Answer:

Δf(u) /Δx  = 92,8    ( razón de cambio promedio)

Step-by-step explanation:

La expresión de la utilidad de la empresa u(x) en función de la cantidad de unidades producidas "x" es:

u(x) = 0,04*x² + 44*x  -4000

Entonces la razón de cambio promedio en un intervalo (a ; b)  en este caso ( 620 ;  600 ) viene dada por la expresión:

Δf(x)/ Δx  =  [ f(b)  -  f(a) ]/( b - a )

en donde  f(b)  y f(a) se obtienen por sustitución de los valores a y b es decir  600 y 620 respectivamente en la función f(x) = u(x) entonces

Δf(u) /Δx  =  [ u(b)  -  u(a) ]/( b -a )        (1)

u(b) =  0,04*(620)² + 44*(620) - 4000

u(b) = 15376 + 27280 -4000

u(b) = 2656 unidades

u(a)  = 0,04* (600)²  +  44* 600  - 4000

u(a)  = 14400  +  26400  - 4000

u(a) = 800

Sustituyendo esos valores en la ecuación 1

Δf(u) /Δx  =  2656 - 800 / 620 - 600

Δf(u) /Δx  = 92,8

5 0
3 years ago
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