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inna [77]
3 years ago
8

What is 0.5, three sixteenths, 0.75, and five and forty eighths in order from least to greatest

Mathematics
1 answer:
butalik [34]3 years ago
8 0
I'm just estimating here, 
5/48,3/16,0.5,0.75
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Simplify the expression <br><br> 6(-5n + 7)
Hunter-Best [27]

6(-5n+7)=0


We simplify the equation to the form, which is simple to understand

6(-5n+7)=0


Reorder the terms in parentheses

+(-30n+42)=0


Remove unnecessary parentheses

-30n+42=0


We move all terms containing n to the left and all other terms to the right.

-30n=0-42


We simplify left and right side of the equation.

-30n=-42


We divide both sides of the equation by -30 to get n.

n=1.4

Hope this helps!

7 0
3 years ago
Read 2 more answers
Solve the system of equations by elimination <br> 3x+4y=31<br> 2x-4y=-6
ANEK [815]
3x + 4y = 31
2x - 4y = -6

*The +4 and -4 in the center of the equation cancel out because 4-4 = 0*

3x = 31
2x = -6
------------

*add like terms*

3x + 2x = 5x

31 - 6 = 25

So now you should have this written on your paper ... > 5x = 25

*Divide by 5 on each side*

5x = 25
_      _
5      5

x = 5
5 0
2 years ago
Read 2 more answers
In triangle ABC, angle = 90 degrees. AC = 7, BC = 12. AB = _______ Measure of angle A = _______ Measure of angle B = _______
Ulleksa [173]

Answer:

AB = 13.89

Measure of angle A = 59.74°

Measure of angle B = 30.26°

Step-by-step explanation:

The given parameters are;

∠C = 90°

AC = 7

BC = 12

Part 1

Hence, the question has the dimensions of the two adjacent sides of the right angle (angle 90°)

From Pythagoras theorem, we have;

A² = B² + C²

Where, A is the opposite side to the right angle, hence;

In the ΔABC,

AB ≡ A

Therefore;

AB² = AC² + BC² = 7² + 12² = 193

∴ AB = √193 = 13.89

Part 2

∠A is the side opposite side BC such that by trigonometric ratios

tan \angle A = \frac{Opposite \, side \,  to \,  angle \,  A}{Adjacent  \,  side  \, to  \, angle \,  A}  = \frac{BC}{AC} = \frac{12}{7} = 1.714

∴ ∠A = Arctan(1.714) or tan⁻¹(1.714) = 59.74°

Part 3

∠B is found from knowing that the sum of the angles in a triangle = 180°

∴ ∠A + ∠B + ∠C = 180° which gives

59.74° + 90° + ∠B = 180°

Hence, ∠B = 180° - (59.74° + 90°) = 180° - 149.74° = 30.26°.

7 0
3 years ago
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Let r(d) represent the monthly revenue, in dollars, from selling skateboards when the price of a skateboard has been decreased b
vodka [1.7K]

Answer:

A.\ \ r(d)=-100(d-25)^2+122,500

Hope this helps!

3 0
3 years ago
Cinco amigos van al cine. La entrada cuesta 4,50$ dos no tienen dinero y los otros tres deciden invitarles ¿Cuanto dinero tiene
Dmitry_Shevchenko [17]

Answer:

Costo  unitario= $3

Step-by-step explanation:

Dada la siguiente información:

Entrada= $4.5

Cantidad de entradas de más= 2

Cantidad de amigos que pagan= 3

<u>Primero debemos calcular el total a pagas de más:</u>

Total a pagar de más= 2*4.5= $9

<u>Ahora, cuánto debe pagar cada uno:</u>

<u />

Costo unitario= costo total / cantidad de personas

Costo unitario= 9/3

Costo  unitario= $3

6 0
2 years ago
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