MATHEMATICS HIGH SCHOOL

There were 3 times as many baby dinosaurs as adult dinosaurs. what does that mean?

Answers

Answer 1
Answer: It means , however, many dinos there are times it by 3 to get your answer for the baby dinos
Answer 2
Answer:

Answer:

Times how ever many adult dinosaurse by 3 to get how ever many baby dinos there are

Step-by-step explanation:

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I found this question in the Sample Assessment Material of the iGCSE Further Pure Maths.The volume of a right circular cone is increasing at the rate of 45 cm3 s–1. The height of the cone is always three times the radius of the base of the cone. Find the rate of increase of the radius of the base, in cms–1, when the radius of the cone is 4 cm. Give your answer correct to 3 significant figures.
A concert charges $24.50 per daily adult ticket and $13.75 per child’s ticket. A group of 90 people paid $1560.00 for tickets. Write a system of equations that could be used to find x, the number of adult tickets purchased, and y, the number of children's tickets purchased?I know the answer i just need to know how to solve it. Thanks :)

The ratio of the measurement of an angle to its complement is 1:2. Find the measurement of the angle and its complement.

Answers

Answer: 30 and 60

Step-by-step explanation: When the ratio of two angles is 1:2, we can represent the angles as X and 2x.

X → angle

2x → complement

If we know that an angle and its complement add up to 90°, we can set up an equation to represent this.

X + 2x = 90

We can simplify on the left side of the equation.

3x = 90

÷3    ÷3   ← divide both sides by 3

X = 30

Now to find the measure of each angle, we plug in 30 for x.

X → angle = 30°

2x → complement = 60°

Therefore, the measure of the angle is 30° and its complement is 60°.
We know that these two angles are in the ratio 1:2 and add to 90 because they are complementary

So we can write the equation

x+2x=90
3x=90
x=30

So the first angle measure is 30

Since they are in the ratio 1:2, the second angle is twice 30 so 60

Hope this helps

Only 2/17 of the teachers were sciolists. If 3000 were not sciolists how many teachers were there in all

Answers

ANSWER:

3,400

STEP BY STEP:

If 2/17 were socialists, then 15/17 were not socialists.

So...

3000 = 15/17x

(x represents the total number of teachers)

Multiply by 17 on both sides.

51,000 = 15x

Divide by 15 on both sides.

3,400 = x

Total number of teachers:  3,400.
1-(2)/(17)=(15)/(17)\n (15)/(17)--3000\n 1\ \ --x\n x=3400

The price of a pair of shoes is $45.90. The sales-tax rate is 5 percent. How much sales tax do you need to pay?

Answers

Answer:

The sales tax that is needed to be paid is $2.295

Step-by-step explanation:

Given :    The price of a pair of shoes is $45.90. The sales-tax rate is 5 percent.

We have to find the sales tax that is needed to  be paid.

Consider the given  price of shoes as $ 45.90

Since, 5% is sales tax.

So, he pays 5% of 45.90

That is (5)/(100)* 45.90=2.295

Thus, The sales tax that is needed to be paid is $2.295.
The sales tax is 2.295, which rounded is $2.30, which is the sale tax

−0.2x=1.6

Help a brother out

Answers

Answer:

I getcha

Step-by-step explanation:

-8

I hope this is correct

How do you wtite three hundred nine million fifty-eight thousand three hundred four

Answers

like
309,580,304. So on a million, you have 9 nine numbers when it's a hundred so there.
309,058,304 because it just is this 

you can type 250 characters in 60 seconds your friend can type 375 characters in 90 seconds do these ratios form a proportion

Answers

Answer:

see the explanation below

Step-by-step explanation:

you can type 250 characters in 60 seconds your friend can type 375 characters in 90 seconds do these ratios form a proportion

Given data

you can type 250 characters in 60 seconds

your typing speed = 250/60

= 4.16 characters per seconds

your friend can type 375 characters in 90 seconds

your friends typing speed is

= 375/90

= 4.16 characters per seconds

Since both typing speeds corresponds, hence the ratios are proportional
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