MATHEMATICS HIGH SCHOOL

Pleaseeeee help :'))))

Answers

Answer 1

Answer:

Answer:

The answer is

x= -35

Step-by-step explanation:

x/5= -7

x= -35. :-)

Answer 2

Answer:

Answer:

The answer to the equation is x= -35

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a chef prepared five chocolate tortes for a dinner party. the guest consumed 2 5/16 tortes. how many tortes are left?
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Please help with explanation

What's (5xty)-(4x-9)??? And what's 33.7y+8.4-2.04y??? And 4.2x+8.1x+1.8x-2.1x??? And x+2(x-y)???

Answers

You're first problem is unclear as I am not sure if that t was suppose to be there or not.

but as for the second one (33.7y+8.4-2.04y) we would first have to combine like terms so you'd subtract 2.04y from 33.7y , which would give you ; 33.66y so now your answer would be " 33.66y + 8.4 ",
there's nothing more you can do because they're seperate terms c: .

Your third problem ( 4.2x+8.1x+1.8x-2.1x ) is also combining like terms. Add the first 3 terms and that'll give you 14.1x , now subtract 2.1x and that'll give you "12x" as your final answer ~

For your fourth problem x+2 ( x-y ) , you would have to do something called factoring , basically all you gotta do is distribute term by term. So, x times x would give you x^2 , x times -y would give you -xy , 2 times x is 2x , and 2 times -y is -2y , so that'll look somethng like x^2 - xy + 2x - 2x . Now the 2x's cancel out
and you are left with "x^2 - xy" as your final answer ~

Subtract 5-3 1/3 fraction

Answers

5 = 15/3

3 1/3 = 10/3

15/3 - 10/3 = 5/3

so 5-3 1/3 is either 5/3 or 1 2/3.

Here is a list of numbers: 12, 13, 19, 16 ,32, 15, 13.a)work out the range of the numbers in the list.
b)work out the mean of the numbers in the list

Answers

The range of the numbers in the list is 20 and the mean of the numbers in the list is 17.14

Work out the range of the numbers in the list.

To calculate the range of the numbers in the list, subtract the smallest number from the largest number:

Range = Largest number - Smallest number

Range = 32 - 12 = 20

Work out the mean of the numbers in the list

To calculate the mean of the numbers in the list, add all the numbers and divide by the total number of numbers:

Mean = (12 + 13 + 19 + 16 + 32 + 15 + 13) / 7 = 120 / 7

Mean ≈ 17.14

Answers

I think the answer is 16.70

Find 2 numbers which multiply to give 45 and add up to 44

Answers

Lets first make the factors
1* 45 = 45
3 * 15 = 45
5 * 9 = 45
So, we can pick up our number from here..

45 * 1 = 45
45 - 1 = 44

So your 2 numbers are 1 and 45..

Hope this helps.. :)

I think the number should be (-45), not 45. IF this is the case:
(45) + -1 = 44
(45) x -1 = -45
Having the two numbers 45 and 44 makes this equation impossible
Your two numbers are: 45, and -1

Ruth, Daisy, and Martin share £750 in the ratio of 3:5:7. Determine how much money Ruth receives.

Answers

Answer:

Ruth receives £150

Step-by-step explanation:

sum the parts of the ratio, 3 + 5 + 7 = 15 parts

divide the total £750 by 15 to find the value of one part of the ratio

£750 ÷ 15 = £50 ← value of 1 part of the ratio

Then

3 parts = 3 × £50 = £150 ← amount Ruth receives

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6 times the sum of a number and 15 is -42