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2 years ago

Please answer correctly 2 + 3( 4x + 5) = -53

Mathematics

2 answers:

Serga [27]2 years ago

6 0

Answer:

Hope this helps :)

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x=−35/6

Decimal Form:

x=−5.8¯3 (Repeating)

Mixed Number Form:

x=−5 5/6

andre [41]2 years ago

4 0

Answer:

x=-35/6

Step-by-step explanation:

2 + 3( 4x + 5) = -53

subtract 2 from both sides= 3(4x+5)=-55

divide both sides by 3 = 4x+5=-55/3

subtract both sides by 5 = 4x=-70/3

divide both sides by 4 = x=-35/6

x=-35/6 is your final answer

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¿Cuál es el área de un rectángulo, sabiendo que su perímetro mide 24 cm y que su base es el triple de su altura?

Brrunno [24]

Answer:

El área del rectángulo es:

27 cm²

Step-by-step explanation:

Consideración:

La formula del perímetro de un rectángulo es:

p = 2(altura + base)

Planteamiento:

24 = 2(a+b)

b = 3a

a = longitud de la altura del rectángulo

b = longitud de la base del rectángulo

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

24 = 2(a + 3a)

24/2 = 4a

12 = 4a

a = 12/4

a = 3 cm

de la segunda ecuación del planteamiento:

b = 3a

b = 3*3

b = 9 cm

Comprobación:

de la primer ecuación del planteamiento:

24 = 2(3+9)

24 = 2*12

Respuesta:

la formula del área de un rectángulo es:

A = base * altura

A = 9cn * 3cm

A = 27cm²

5 0

3 years ago

A store is instructed by corporate headquarters to put a markup of 25% on all items. An item costing $24 is displayed by the s

larisa [96]

Answer: The correct selling price is $29.97.

Step-by-step explanation:

Since we have given that

Cost price of an item = $27

Mark up rate = 11%

So, Amount of mark up would be

So, Amount after mark up would be

Hence, the correct selling price is $29.97.

The manager's likely error is that he has put the selling price the mark up amount only i.e $2.9≈$3 instead of adding the mark up amount to the cost price.

5 0

3 years ago

Read 2 more answers

If 9a+5b+5c=9 what is -10c-18a-10b?

Rus_ich [418]

9a + 5b + 5c = 9

Multiplying the whole equation by -2.

-18a - 10b - 10c = -18.

Hence, the answer is -18.

6 0

3 years ago

Graph the function y= 3/2x^3. Plot five points on the graph of the function: one point with x = 0, two points with negative x-va

Nat2105 [25]

Answer:

(a square +7a+12) ÷(a+3)

5 0

2 years ago

Can anyone solve this? If so tell me and make sure u know what ur doing please

raketka [301]

Answer:

-2

Step-by-step explanation:

To find the slope of a line, you need to find the $\frac{rise}{run}$ between two points. I will be using the points (-3, 2) and (-1, -2).

$\frac{rise}{run}$ = $\frac{-2-2}{-1-(-3)}$

= $\frac{-2-2}{-1+3}$

= $\frac{-4}{2}$

= -2

6 0

3 years ago