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2 years ago

12

a medium sized apple has 70 calories.this is 10 calories less than 1/4 0f the calories in an old westie chocolate bar. we need t

o find out how many calories are in the bar.

1 answer:

Alexandra [31]2 years ago

6 0

To find the answer to this question you would just add 10 to 70 and multiply by 4 and your answer would be 320

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2 years ago

5x + 2/5=x-1/10<br>how to solve.

guapka [62]

5x+2/5=x-1/10

Convert 2/5 and -1/10 to equal fractions.

2/5= 4/10

5x+4/10= x-1/10

Subtract x on both sides.

4x+4/10= 1/10

Subtract 4/10 on both sides.

4x=-3/10

Divide both sides by 4.

x=-0.075

I hope this helps!
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3 years ago

Read 2 more answers

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Andrews [41]

Answer:

OPTION B

Step-by-step explanation:

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2 years ago

Solve 2cos(x)-4sin(x)=3 [0,360]

Korvikt [17]

2cos(x) - 4sin(x) = 3

use identity [cos(x)]^2 +[ sin(x)]^2 = 1 => cos(x) = √[1 - (sin(x))^2]

2√[1 - (sin(x))^2] - 4 sin(x) = 3

2√[1 - (sin(x))^2] = 3 + 4 sin(x)

square both sides

4[1 - (sin(x))^2] = 9 + 24 sin(x) + 16 (sin(x))^2

expand, reagrup and add like terms

4 - 4[sin(x)]^2 = 9 + 24sin(x) + 16sin^2(x)

20[sin(x)]^2 + 24sin(x) +5 = 0

use quadratic formula and you get sin(x) = -0.93166 and sin(x) = -0.26834

Now use the inverse functions to find x:

arcsin(-0.93166) = 76.33 degrees

arcsin(-0.26834) = 17.30 degrees

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3 years ago

10. Elvira has 3 caps: one red, one green, and one blue. She also has two green 1-shirts, one blue I-shirt

antoniya [11.8K]

Answer:

i would help you but i dont know thw ansewer

Step-by-step explanation:

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2 years ago