PLEASE HELP 5 STAR + BRAINLY IF RIGHT!

Mathematics

2 answers:

Sever21 [200]3 years ago

7 0

Right your ratio of $\frac{8}{12}$
Simplify fraction to 3/4
Now set it up with c/100 to find the percent (c equaling the percentage of caremel brownies)

Cross multiplty:
$\frac{2}{3} \frac{c}{100}$

Crossmultiply:
3c = 200
Divide (solve equation)

c = 66.6666666667

Slav-nsk [51]3 years ago

5 0

Total brownies 20 100% would be 20 brownies

40% caramel brownies(8) 60% walnut brownies(12)

8 brownies:

100/20=x/8

20x=800(8*100)

x=800/20

x=40 40%

12 brownies:

100/20=x/12

20x=1200 (12*100)

20=1200/20=60 60%

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Find x and y please

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Answer:

Answer:

x → 4.24
y → 4.24

Step-by-step explanation:

» x and y can only be got through using trigonometric ratios:

✍ For x :

${ \tt{ \sin( \theta) = \frac{opposite}{hypotenuse} }} \\ \\ { \tt{ \sin(45 \degree) = \frac{x}{6} }} \\ \\ { \tt{x = 6 \times \sin(45 \degree) }} \\ { \tt{x = 4.24}}$

✍ For y :

${ \tt{ \cos( \theta) = \frac{adjacent}{hypotenuse} }} \\ \\ { \tt{ \cos( 45 \degree) = \frac{y}{6} }} \\ \\ { \tt{y = 6 \times \cos(45 \degree) }} \\ { \tt{y = 4.24}}$