3 years ago

PLEASE HELP ASAP!!!!! If I have wrong answers PLEASE tell me!!!!!

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

I think they all are right are you not confident about one ...? I can explain it to you

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3 years ago

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ziro4ka [17]

Answer:

ANSWER: ADC=82

bda = 144

(7x+34)+(9x+46)=144

16x+80=144

16x=64

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adc=82

Step-by-step explanation:

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Consider 8x2 - 48x = -104. Write the equation so that a = 1: x^2 + __x =__

Ymorist [56]

Answer:

x² -6x = -13

Step-by-step explanation:

Divide the equation by 8, the current value of "a".

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A two-story building measures 21 feet from the ground.Ascale model shows the building to be 3 inches tall. How many inches would

jasenka [17]

Answer: $12\ inches$

Step-by-step explanation:

Let be "x" the height inches (in the model) of a 84 foot building.

According to the information provided in the exercise, we know that the height of a two-story building is 21 feet and in the scale model its height is 3 inches.

Knowing this, we can set up the following proportion:

$\frac{3}{21}=\frac{x}{84}$

The final step is to solve for "x" in order to calculate its value. We get that this is:

$\frac{3}{21}=\frac{x}{84}\\\\(84)(\frac{3}{21})=x\\\\x=12$

Therefore, an 84 foot building will be 12 inches tall in the model.

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3 years ago

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nika2105 [10]

Answer:

3rd box

Step-by-step explanation:

BRAINLIEST PLEASE

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