MATHEMATICS HIGH SCHOOL

Write the number 2.4 in the form a/b

Answers

Answer 1
Answer:

Answer:

the answer is :

24/10

Step-by-step explanation:
Answer 2
Answer: Improper Fraction: (12)/(5)
Mixed Fraction: 2 (2)/(5)

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How to estimate 518 + 372

Answers

Answer:

900

Step-by-step explanation:

518+372

We have to find the result by estimation

Estimate both the numbers to nearest  hundreds

518 is estimated to nearest hundred= 500

372 is estimated to nearest hundred= 400

After adding, 500 and 400, we get

500+400=900

we get our answer 900

Hence, the correct answer is 900
It is 890 but if you estimate it would be 900

Layla drew a quadrilateral with four right angles and two pairs of opposite sides are parallel name to quadrilaterals she could've drawn

Answers

duhhh she drew a rectangle and a square:)

Jana uses 20 cards to play a memory game the cards are either animal cards or fruit cards. The ratio of animal cards to fruit cards is 2:3 How many if the 20 cards are animal cards? Of the fruit cards, 1/3 have bananas on them. How many cards have bananas on them. Show or explain your work.

Answers

Given that,

Total no of cards = 20

The ratio of animal cards to fruit cards is 2:3

No of animal cards = 20

Solution,

Let there are 2x animal cards and 3x fruit cards. ATQ,

2x+3x = 20

5x = 20

x = 4

Animal cards = 2x

= 2(4)

= 8

Fruit cards = 3x

= 3(4)

= 12

It is also mentioned that, of the cards, 1/3 have bananas on them. It means,

B=(1)/(3)* 12\n\n=4

Hence, 4 cards have bananas on them.

If square root 10 = 3.162 ,then the value of 1/square root 10 is 0.3162. prove it

Answers

√(10)\approx3.162\n\n(1)/(√(10))=(1)/(√(10))\cdot(√(10))/(√(10))=(√(10))/(10)\approx(3.162)/(10)=0.3162

Rylan is testing 2 different types of nail polish on her fingernails to determine which one lasts longer. she purchases Brand A and Brand B from the drug store. She then paints her nails with Brand A and her sister's nails with Brandb. She compares the nails polish at the end of the week and determines that Brand B last longer because there fewer chips than Brand
a. Why is her conclusion not valid?

Answers

If you want to compare the quality of something, you should make sure that all the conditions were similar. This means that if you want to compare the quality of nail polish, you should expose both kinds of nail polish to the same tests. However, here we don't know whether Rylan and her sister did the same things this week: for example if one of them washed more dishes, her nail polish would have a "harder" test - the test did not make sure that both products experienced the same conditions!

Answer:

She painted her sister's nails with Brand B, not her own nails.

Step-by-step explanation:

All parts to an experiment must be the same except one thing. She is testing different nail polishes so that's what needs to be different. By painting her hand with one nail polish and her sister's with the other, she is changing a second variable in the experiment making it invalid.

Concert R charges an admission fee of $10.00 and $6.25 per souvenir brochure. Concert S charges an admission fee of $13.00 and $5.75 per souvenir brochure. How many souvenir brochures must be purchased in order for the total cost at Concert R and Concert S to be the same?

A) 6 souvenir brochure
B) 10 souvenir brochure
C) 12 souvenir brochure s
D) 18 souvenir brochure​

Answers

6 souvenir brochures must be purchased in order Which is the correct answer would be an option (A)

What is the Linear equation?

A linear equation is defined as an equation in which the highest power of the variable is always one.

The slope-intercept form is y = mx+c, where the slope is m and the y-intercept is c.

For the functions, we have that:

The set-up fee is the admission fee.

The price per souvenir brochure is the slope.

Hence the functions are given by:

R(x) = 10 + 6.25x

S(x) = 13 + 5.75x

We have been given the total cost at Concert R and Concert S to be the same.

So R(x) = S(x).

⇒ 10 + 6.25x = 13 + 5.75x

⇒ 0.5x = 3

⇒ x = 3/0.5

⇒ x = 6.

Therefore, 6 souvenir brochures must be purchased in order for the total cost at Concert R and Concert S to be the same.

Learn more about the Linear equations here:

brainly.com/question/2263981

#SPJ2

Answer:

6 souvenir brochure

Step-by-step explanation:

K12 <3
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