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2 years ago

Help help help help help

Mathematics

2 answers:

Luba_88 [7]2 years ago

7 0

Answer:

C. 8

Step-by-step explanation:

1/4 = 12

1/6 = 8

5/12 = 20

12+8+20=40

48-40 = 8

PSYCHO15rus [73]2 years ago

6 0

Answer:

Step-by-step explanation:

Step 1. Add the fractions

One way you can solve this problem is by adding the fractions

1/4 + 1/6 + 5/12

1(3)/4(3) + 1(2)/6(2) + 5/12

3/12 + 2/12 +5/12

10/12

2. Multiply by 48

10/12 * 48( to find the amount of cupcakes)

3. Subtract

Now that we know the total number of cupcakes excluding the lemon is 40, we can do 48 - 40 , which is 8 cupcakes or C

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mel-nik [20]

Answer: x= 2.5, y = 10

Step-by-step explanation:

I'm going to assume that these photocopies are proportional in relations to each other.

If they're proportional, you can set up two proportions:

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And cross-multiply:

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2 years ago

Divide r2/r12 Answers a. r10 b. 1/r6 c. 1/r10 d.r8 e. r6

Zigmanuir [339]

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Step-by-step explanation:

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2 years ago

Paula bought a ski jacket on sale for $5 less than half its original price. She paid $87 for the jacket. What was the original p

charle [14.2K]

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Please help ٩(๑òωó๑)۶

otez555 [7]

Answer:

Height of the cliff = 13.66 m

Step-by-step explanation:

Let the height of the cliff is 'x' m and distance between the base of the cliff and the boat is 'y' m.

From right triangle AOC,

tan 30° = $\frac{\text{Opposite triangle}}{\text{Adjacent side}}$

$\frac{1}{\sqrt{3}}=\frac{x}{y}$

y = $x\sqrt{3}$ ------(1)

From right angle triangle BOC,

tan 45° = $\frac{x}{y-10}$

$1=\frac{x}{y-10}$

x = y - 10

y = x + 10 -------(2)

From equations (1) and (2),

$x\sqrt{3}=x+10$

$x(\sqrt{3}-1)=10$

$x=\frac{10}{\sqrt{3}-1 }$

x = 13.66 m

Therefore, height of the cliff is 13.66 m.

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3 years ago