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Helen [10]
2 years ago
7

What does it mean to share an amount in the ratio 3:7

Mathematics
2 answers:
Natalija [7]2 years ago
8 0

Answer:

If two people are sharing somethings one person would get 3 and the other seven if there is ten items

Step-by-step explanation:

A girl has 10 pieces of gum and she shares three with her friend now she has seven the ratio she shared was 3:7

Alexus [3.1K]2 years ago
4 0

One person gets 3 10ths of it and the other gets 7 10ths

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Slav-nsk [51]

Answer:

The circumference is similar to the perimeter in that it is the total length needed to draw the circle.

We note the circumference as c.

c = 2πr

or

c = πd

This depends on whether or not you know the radius (r) or the diameter (d)

Let’s calculate one manually, for example.

If r = 6 cm, then the circumference is c = 2π(6) = 12π cm, if writing in terms of π. If you prefer a numerical value, the answer rounded to the nearest tenth is 37.7 cm.

Suppose you only know the diameter? If the diameter is 8 cm, then the circumference is c = π(8) = 8π or 25.1 cm, rounded to the nearest tenth.

Step-by-step explanation:

7 0
2 years ago
24 candy bars cost $48.<br> How much do 10<br> candy bars cost?
timofeeve [1]
Answer: $20

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8 0
2 years ago
PLEASE PLEASE PLEASE HELP ME
lubasha [3.4K]

Answer:

CE = 17

Step-by-step explanation:

∵ m∠D = 90

∵ DK ⊥ CE

∴ m∠KDE = m∠KCD⇒Complement angles to angle CDK

In the two Δ KDE and KCD:

∵ m∠KDE = m∠KCD

∵ m∠DKE = m∠CKD

∵ DK is a common side

∴ Δ KDE is similar to ΔKCD

∴ \frac{KD}{KC}=\frac{DE}{CD}=\frac{KE}{KD}

∵ DE : CD = 5 : 3

∴ \frac{KD}{KC}=\frac{5}{3}

∴ KD = 5/3 KC

∵ KE = KC + 8

∵ \frac{KE}{KD}=\frac{5}{3}

∴ \frac{KC+8}{\frac{5}{3}KC }=\frac{5}{3}

∴ KC + 8 = \frac{25}{9}KC

∴ \frac{25}{9}KC - KC=8

∴ \frac{16}{9}KC=8

∴ KC = (8 × 9) ÷ 16 = 4.5

∴ KE = 8 + 4.5 = 12.5

∴ CE = 12.5 + 4.5 = 17

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
4 consecutive integer that add up to 30
lapo4ka [179]

7 + 7 + 7 + 7 = 30

7 repeats itself 4 times to equal 30

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