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3 years ago

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I NEED HELP ASAP ILL GIVE BRAINLIEST 50 = 1.56x+1.29

1 answer:

MrRa [10]3 years ago

3 0

Answer:

x approximately = 31.22

Step-by-step explanation:

1.29 + 1.56x = 50

- 1.29 - 1.29

_________________

1.56x = 48.71

___________

1.56

x approximately = 31.22

Hope this helps at all!

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HELP ME WITH THIS FAST!!!!!!!! PLEASE!!!

daser333 [38]

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KatelynKaley avatar

KatelynKaley

12/03/2016

Mathematics

Middle School

+5 pts

HELP ME WITH THIS FAST!!!!!!!! PLEASE!!!

A jar holds 3/4 gallon of juice when it is 7/8 full. Which statement best describes the quotient of 3/4 divided by 7/8?

A The maximum amount of juice the jar can hold is 7/6 gallons.

B The maximum amount of juice the jar can hold is 6/7 gallon.

C The amount of juice that can be still poured in the jar is 7/6 gallons.

D The amount of juice that can be still poured in the jar is 6/7 gallon.

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3 years ago

Read 2 more answers

Which factors the 32 at 48 comment

finlep [7]

48-32=16
so yur answer is 16
hope it helped

4 0

4 years ago

Read 2 more answers

What did I do wrong in the highlighted parts

Flauer [41]

You did
D=(x2-x1)²+(y2-y1)²
it should be
D= $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

and BC, you did (-4)²=-16, it should be equal to 4

if you do the math which is evaluate

A=(5,3)
B=(1,5)
C=(3,0)

AB= $\sqrt{(1-5)^2+(5-3)^2}= 2\sqrt{5}$
BC= $\sqrt{(3-1)^2+(0-5)^2}= \sqrt{29}$
CA= $\sqrt{(5-3)^2+(3-0)^2}= \sqrt{13}$

add them to get total

8 0

3 years ago

Write a number with an 8 in hundreds place

Lunna [17]

876
any number between 800-899 and 1800-1899 and so on will be fine as the 8 is in the hundredths place

5 0

3 years ago

Milagros quiere pintar ella misma el salon de su casa. Ha estado investigando y sabe que con 1 kilo de la pintura que mas le gus

amid [387]

Answer:

Milagros tiene que pintar $78m^{2}$ .

Milagros debe comprar 2 botes de pintura.

Step-by-step explanation:

La pregunta está incompleta. Faltan datos. Los adjunto :

'' Milagros ha ido a casa y ha medido las paredes, el techo, las puertas y las ventanas del salón. Todo tiene forma rectangular y las dimensiones son las siguientes :

<u>PAREDES</u> :

2 paredes de 6 m de largo y 3 m de alto.
2 paredes de 4 m de largo y 3 m de alto.

<u>TECHO</u> :

6 m de largo y 4 m de ancho.

<u>PUERTA</u> :

1 puerta de 2 m de alto y 1.5 m de ancho.

<u>VENTANAS</u> :

2 ventanas de 1.5 m de alto y 1 m de ancho. ''

Para la primera pregunta vamos a calcular cuantos metros cuadrados tiene que pintar Milagros haciendo lo siguiente :

Vamos a calcular el área de las paredes y del techo y al resultado le vamos a restar el área de la puerta y de las ventanas (dado que consideramos que la puerta y las ventanas no las pintará).

El área de una superficie rectangular se calcula como largo por alto ⇒

Para las paredes tenemos :

2 paredes de 6 m por 3 m y 2 paredes de 4 m por 3 m ⇒

$2.(6m).(3m)+2.(4m).(3m)=60m^{2}$

Para el techo tenemos :

$(6m).(4m)=24m^{2}$

Si sumamos el área de las paredes y el techo :

$60m^{2}+24m^{2}=84m^{2}$

Al área calculada le restaremos el área de la puerta y de las ventanas :

$84m^{2}$ - área de la puerta - área de las ventanas ⇒

$84m^{2}-(2m).(1.5m)-(2).(1.5m).(1m)=78m^{2}$

$78m^{2}$ es el área de pintar.

Ahora bien, si con 1 kilogramo de pintura puede pintar $8m^{2}$ ⇒

$\frac{78}{8}=9.75$ kilogramos

Encontramos que Milagros necesita 9.75 kilogramos de pintura para pintar el salón de su casa.

Si en un bote de pintura hay 5 kilogramos, necesitará de 2 botes de pintura (10 kilogramos en total) para poder pintar su salón

8 0

3 years ago