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svlad2 [7]
3 years ago
9

Can someone help solve 7x - 2 = 4x + 11 algebraically

Mathematics
1 answer:
KatRina [158]3 years ago
6 0

Answer:

x=13/3

Step-by-step explanation:

7x-2=4x+11

3x-2=11

3x= 13

x= 13/3

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2x-3y=32<br> 1/2(2X+3y)=-8
Alex787 [66]

Answer:

x=4  :y=-8

Just ut Equation in Scientific Calculator or Symbolab App or WEb search Equation solver

8 0
3 years ago
Bridget and Caroline win some money and share it in the ratio 7:3. Bridget gets £40 more than Caroline. How much did they get al
solong [7]

Answer:

£100

Step-by-step explanation:

if the ratio is 7:3, the difference between them is 7-3 . = 4.

So,

4x = £40

Now, calculate x

x = £10

Now,

we are able to calculate:

7x (Bridget's share) = £70

3x (Caroline's share) = £30

Sum = £100

Hope this helps.

Good Luck

8 0
3 years ago
Any two conditions of an object to float on liquid ​
bixtya [17]

Answer:

it needs to be less dense than water and weight needs to be equal to buoyant force.

8 0
3 years ago
Plz answer and im giving a lot of points ; ; oh and its two questions in one
Natali [406]
Please don't ask 2 questions in 1 question



remember that percent is parts out of 100 so x%=x/100
basically just remove the percent sign and move the decimal place 2 places to the left  to convert to fraction

the first one
20 dollars
4.75% tax
15% tip
it depends if you want to tip on the total with tax or without tax
it is better to top on the without-tax value since tax comes from you so
find 4.75% of 20 and add that to 15% of 20 then add that to 20 to get the proper value

scenarios
1. 20+(20 times 4.75%)+(20 times 15%)=23.95
2. ([(20 times 104.75%)] times 115%)=24.09
both are bellow $25 so $25 shoudl be enough to cover it




total cost of a spa treatment of 42 with 6% tax and 20% tip
so you could again do two things:
1. apply tax and give tip on the new amount
2. find the tip and add that to the tax of only 42

scenarios:
1.(42 times 106%) times 120%=$50.4
2. (42 times 20%) +(42 times 106%)=$52.92
it depens on what you tip on
6 0
3 years ago
Simplify and write as a decimal.
oksian1 [2.3K]

11.9

i just got it right on a quiz so yeah

6 0
3 years ago
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