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Gala2k [10]
3 years ago
8

4x < -20 Solve the inequality by showing work

Mathematics
2 answers:
Tanya [424]3 years ago
6 0

Answer:

4x <  - 20 \\  =  > x <   \frac{ - 20}{4}  \\  =  > x <  - 5

<h2>❤️</h2>

<h2>x < -5</h2>
alukav5142 [94]3 years ago
3 0

Answer:

4x<-20

or,x< -20÷4

or,x<-5

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Let x and y represent the tens digit and ones digit of a two digit number, respectively. The sum of the digirs of a two digit nu
gayaneshka [121]

Answer:

The Original Number is 36

Step-by-step explanation:

Given:

y is the number in units place

x is the number in tens place

Original Number = 10x+y

x+y=9 is equation 1

Now after interchanging the digits

New number = 10y+x

New Number = 27 + Original Number

Substituting Valus in above equation we get.

10y+x=27+10x+y\\10y-y+x-10x=27\\9y-9x=27\\9(y-x)=27\\y-x=\frac{27}{9}\\

y-x=3 let this be equation 2

Adding equation 1 and 2 we get

(x+y=9)+(y-x=3)\\2y=12\\y=\frac{12}{2}\\y= 6\\

Substituting value of y in equation 1 we get

x+y=9\\x+6=9\\x=9-6\\x=3

x=3 and y=6

Original Number = 10x+y=10\times3+6=30+6=36

4 0
3 years ago
How many terms are in the expression 2x + 3y - 4z2x+3y−4z2, x, plus, 3, y, minus, 4, z?
Shalnov [3]
Ten as each term is the coefficient and the variables if one is listed for example 2x is one term. For ex as is -4z2x and the 3 etc.
7 0
4 years ago
Mario vende dos autos a 30 000 dólares cada uno. En la venta de uno ganó el 20% y en la
Mariana [72]

Answer:

Mario perdió dinero, perdió 2500 dólares

Step-by-step explanation:

En el primer caso, Mario está vendiendo su carro en 30 000 dólares. En otras palabras, el precio de venta es 30 000. Te dice que en el primer carro ganó 20%, o sea que su precio de venta es una incógnita que llamaremos x y gano 20% de x. Podemos expresarlo de esta manera

x = precio de compra carro 1

x + (20% de x) = 30 000

x = 100 % de x

(100% de x) + (20% de x) = 30 000

120% de x =30 000

120% = 1.2

1.2x = 30 000

x = 25 000

El segundo caso es bastante parecido. Te indica que el precio de venta sigue siendo el mismo, pero el precio de compra es diferente. El precio de venta sigue siendo 30 000, pero el precio de compra del segundo carro esta vez será "y". En este caso, pierde 20% del precio de compra, o osea, pierde 20% de y. Se puede expresar de la siguiente manera:

y = precio de compra carro 2

y - (20% de y) = 30 000

y = 100% de y

(100% de y) - (20% de y) = 30 000

80% de y = 30 000

80% = 0.8

0.8y = 30 000

y= 37 500

Entonces tenemos que el precio de compra del carro uno es 25 000 dólares y el precio de compra del carro dos es de 37 500. Si sumamos ambas cantidades, tenemos que ambos carros costaron 62 500 dólares. Como vendió esos dos autos a 30 000 dólares cada uno, recibió 60 000 dólares. El precio por el que vendió los autos (60 000) es menor al precio del que los compro (62 500), por lo que eso representa una perdida.

Para hallar la cantidad que ganó o perdió (en este caso perdió) debes restar el precio de venta menos el precio de compra.

60 000 - 62 500 = -2 500

Como es un número negativo, representa una perdida.

6 0
3 years ago
Which angles are complementary<br> to &lt;2. Select all that apply.
KiRa [710]

Answer:

∠1 only

Step-by-step explanation:

Complementary angles:

  • sum to 90°
  • form a right angle

The only angle (that's an answer choice) that helps form a right angle with angle 2 is angle 1, thus making it the correct answer.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

 ~ ren ⚘

4 0
3 years ago
If 3413 steps=1.27 miles, how many steps equal 1 mile?
sattari [20]
Hi there!

3413 steps = 1.27 miles.
To find the amount of steps in 1 mile, we must divide both sides by 1.27.

3413 / 1.27 steps = 1.27 / 1.27 miles
2687.4 steps = 1 mile.
Hence, in order to walk at least 1 mile, we must take 2688 steps.
5 0
3 years ago
Read 2 more answers
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