sophies math class has 6 fewer boys than girls , and there are g girls. write an expression for the number of boys

Answers

Answer 1

Answer: It is a known fact that there are 6 fewer boys than girls in Sophies class. We need to write an expression based on thi fact. It is also given in the question that there are "g" girls present in the class of Sophie. so there are several factors that we already know from the question given.Now
Number of girls in sophies class = g
Let the number of boys in Sophies class - b
Then the expression for the number of boys will be
b = g - 6
This is the final and only expression that can determine the number of boys in Sophies class.

Answer 2

Answer:

The answer is g - 6

I hope this helps!

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. Krystal had 12 chocolates. She ate 4chocolates the day before yesterday and 4
chocolates yesterday. How many chocolates
does she have now?

Answers

Answer: 4 Chocolates

She has 4 chocolates left.

What is the union of the two sets A={2,3,6,11,16} and B={6,11}? A. {2,3,6,11,16} B. {2,3,16} C. {6,11} D. {16}

Answers

Union is everything in the two sets together, so the union would be:

{2,3,6,11,16} (B is a subset of A so there is no difference)
The answer is A.

A violin was on sale of 50% off. the sale price is $50. what was the original price

Answers

In the given question, there are several important information's that have been given. based on these information's the correct answer to the question can be determined. It is already given that the selling price is $50. 50% off has already been declared.
Then
The amount of sale given on the violin = (50/100) * 50 dollars
= 25 dollars.
So the sale that has been given on the violin is $25.
Then the original price of the violin = (50 + 25) dollars
= 75 dollars
So the original price of the violin was $75.

If it is on sale for half off and the price comes down to $50 then the original price must have been $100. 50%=50/100. With $50 is 50% of 100

Kate wants to have $25,000 in 16 years. How much does she need to invest if the interest rate is 6 percent per year?A.) $10,431.63
B.) $9,841.16
C.) $7,353.88

Answers

Answer:

its b

im on plato and got it right

I'm guessing that its c

Choose Yes or No to tell whether there is more than one way to draw a triangle with the given measures. AB = 15 cm, BC = 20 cm, ∠B = 40° AB = 20 cm, AC = 15 cm, ∠C = 40° BC = 10 cm, AB = 5 cm, ∠A = 20° AC = 5 cm, BC = 10 cm, AB = 14 cm

Answers

Question:

a. AB = 15 cm, BC = 20 cm, ∠B = 40°

b. AB = 20 cm, AC = 15 cm, ∠C = 40°

c. BC = 10 cm, AB = 5 cm, ∠A = 20°

d. AC = 5 cm, BC = 10 cm, AB = 14 cm

Answer:

The correct options are;

a. No

b. Yes

c. Yes

d. No

Step-by-step explanation:

a. AB = 15 cm, BC = 20 cm, ∠B = 40°

The above dimensions include two sides and an included angle, therefore, the triangle is well defined, such that the dimensions of the third side can be found by the given information using cosine rule

b. AB = 20 cm, AC = 15 cm, ∠C = 40°

Yes,

The above dimensions include two sides and a non included angle, therefore, the triangle is not well defined, such that the third side and the other two angles can be made to to make up to a different triangular configuration can be made

c. BC = 10 cm, AB = 5 cm, ∠A = 20°

Yes

The above triangle could be made into one of two triangles

d. AC = 5 cm, BC = 10 cm, AB = 14 cm

The above triangle is well defined with all side dimensions known and the angles can be found by cosine rule.

If a train travels m miles in h hours and 45 minutes, what is the average speed in miles per hour ?a) m / (h + 3/4 ), b) m / 7h, c) m ( h + 3/4 ), d) ( m + 45 ) / n, e) h / ( m + 45 )

Answers

Speed = (distance covered) / (time to cover the distance).

Time = 'h' hours and 45 minutes.
45 minutes is 3/4 of an hour. (or 0.75 hour)
Total time is (h + 0.75) hours.

Speed = 'm' / (h + 0.75)

That's choice-'a'.

$s=m \ miles\n t=h \ hours \ 45 \ min=h+0.75 \ hours\n v=(s)/(t)\n v=(m)/(h+0.75) =(m)/(h+(3)/(4)) \Rightarrow A$

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