3 years ago

In desperate need of help!

Mathematics

2 answers:

True [87]3 years ago

8 0

Answer:

y is equal to 24

Step-by-step explanation:

above picture

VladimirAG [237]3 years ago

3 0

Answer:

y=24

Step-by-step explanation:

Straight line = 180°

collect like terms.

7y+12=180°

-12. - 12

7y=168°

÷7. ÷7

y=24

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A drawing has a scale 1/4 in: 12ft. How long is 8ft?

allochka39001 [22]

If you use a proportion, you'll get:

$\frac{0.25}{12} = \frac{x}{8}$

Then, you use cross products:

$12x=0.25(8) \\ 12x=2$

Then, you algebraically solve x:

$12x=2 \\ \frac{12x}{12} = \frac{2}{12} \\ x= \frac{5}{3}$

The answer is 5/3 inches , or 1 5/13 inches, or 1.6 repeating.

4 0

3 years ago

Help with this please!

slega [8]

Hello,

No, this is NOT a proportional relationship.

Have a great day/night and stay safe! :)