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emmainna [20.7K]
3 years ago
5

A school has 500 students and 30 English teachers and 20 math teachers. The ratio between the number of math teachers and the nu

mber of students of the school is
Mathematics
2 answers:
julsineya [31]3 years ago
6 0

Answer: 1:25

Step-by-step explanation:

Number of maths teacher= 20

Number of students= 500

Ratio= 20/500

= 1:25

Lerok [7]3 years ago
3 0

Answer:

25/500

Step-by-step explanation:

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−4x+35&gt;2<br> Whats the innequality
geniusboy [140]

-4x + 35 > 2

Subtract 35 from both sides:

-4x> -33

Divide both sides by -4:

X > -33 s -4

Because you are dividing the inequality. Y a negative value, reverse the inequality sign.

X < 33/4

7 0
4 years ago
Select the correct answer.
andrew-mc [135]

Answer:

OPTION C

Step-by-step explanation:

We have the following rules:

$ \sqrt[a]{x} = x^{\frac{1}{a} $    and

$ x^a . x^b = x^{a + b} $

OPTION A: $ x \sqrt[7]{x} $

= $x . x^{\frac{1}{7} $

= $ x^{1 + \frac{1}{7} $

$ = x^{\frac{8}{7} $ $ \ne x^{\frac{9}{7} $

So, it can be eliminated.

OPTION B: $ \bigg ( \frac{1}{\sqrt[7]{x}} \bigg )^9 $

= $ \bigg ( \frac{1}{x^{\frac{1}{7}}} \bigg )^9 $

= $ \bigg ( x^ {\frac{-1}{7}} \bigg )^9 $

= $ x^{\frac{-9}{7}} $

So, this option is also eliminated.

OPTION C: $ x . \sqrt[7]{x} $

= $ x . x^{\frac{1}{7}} $

= $ x^{1 + \frac{1}{7}} $

= $ x^{\frac{9}{7}} $

So, OPTION C is the answer.

5 0
3 years ago
MiGuel ate 1/4 of a pizza in 1/2 of an hour. How long will it take Miguel to eat one pizza?
motikmotik

Answer:

It will take  him 2 hours to eat a whole pizza

Step-by-step explanation:

There are 2 halves in an hour, and if he eats 1/4 of a pizza in half an hour, he will take 2 hours to eat a whole pizza.

7 0
4 years ago
Read 2 more answers
2. Dora and Ron share £50 in the ratio 3:7.
yaroslaw [1]
£15

If you add the two ratios together you get 10. Which means that the £50 is made up of 10 pieces. To get Doras amount you have to divide 50 by 10 which is five, and then times the number by how many pieces Dora has, which would be 5x3=15
6 0
3 years ago
Given that two sides of a triangle have sides 5 and 7, write the range of the lengths of the third side:
matrenka [14]

Answer:

Step-by-step explanation:

The two sides add up to 12. If the third "side" of the triangle is 12, then 5 and 7 will lie horizontally on 12.

So the maximum value must be less than 12. What's the smallest x could be?

well 5 + something must be > than 7. If they are not larger than 7, then 5 and something will lie on 7 just as it did before. So how big is something?

5 + y > 7

5 - 5 + y > 7 - 5

y > 2

So the range    is  2 < x < 12

How else could you write this?

2 < x

x < 12 is one way.

6 0
3 years ago
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