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Bogdan [553]
3 years ago
5

2/3 of a class are girls a) What’s the ratio to boys to girls in the class

Mathematics
1 answer:
Lostsunrise [7]3 years ago
4 0
The ratio would be written as 2:3 because there are 2 girls for every 3 boys
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poizon [28]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
A beach ball has a mass of 5 g and a volume of 20 cm3. What is the object's density? A. 4 g/cm3 B. 100 g/cm3 C. 0.25 D. g/cm3 4
Triss [41]
<h2>Hello!</h2>

The answer is:

C.  0.25\frac{g}{cm^{3} }

<h2>Why?</h2>

The density is the relation between the mass and the volume of an object. We are given four options to chose, and we can find the correct one by doing the following calculations:

Density=\frac{mass}{volume}=\frac{5g}{20cm^{3}}=0.25\frac{g}{cm^{3}}

So, the correct options is C.  0.25\frac{g}{cm^{3} }

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7 0
3 years ago
Read 2 more answers
Adam has 16.45 kg of flour, and the uses 6.4 to make hot cross buns. The remaining flour is exactly enough to make 15 batches of
White raven [17]

Answer: 0.6kg of flour will be in each batch of scones.

Step-by-step explanation:

Adam has 16.45 kg of flour, and he used 6.4kg to make hot cross buns. This means that the remaining flour would be the total amount of flour that he had initially minus the the amount that he used to make hot cross buns. This is expressed as

16.5 - 6.4 = 10.05 kg

The remaining flour is exactly enough to make 15 batches of scones. This means that 10.05 kg of flour will be enough to make 15 batches of scones.

We want to determine how much flour, in kg, will be in each batch of scones. Let this amount of flour be xkg

If 10.05 kg of flour will be used to make 15 batches of scones. Then,

xkg of flour will be used to make 1 batch if stones

x = 10.05/15

x = 0.67

5 0
3 years ago
Read 2 more answers
Grapes cost $2.70 per pound. You buy 2.5 pounds of grapes and give the cashier $10. How much change do you receive​
allochka39001 [22]

Answer:

$3.25

Step-by-step explanation:

The grapes costs $2.70 per pound but you're buying 2.5 pounds so take $2.70 x 2.5 = $6.75. Now u just take $10 - $6.75 which equals $3.25 and thats ur answer.

8 0
2 years ago
Read 2 more answers
A pair of jeans originally cost $80, but is on sale for 30% off. there is a coupon available for an additional 10% off of the sa
Lady_Fox [76]
30% = 0.3. 

0.3*80 = 24, so we know that 30% of 80 is 24. 

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56 - 5.60 = 50.40

The jeans cost $50.40 after the sale and the coupon. 
5 0
3 years ago
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