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2 years ago

Please help me please help me please help me please help me

Mathematics

1 answer:

ehidna [41]2 years ago

7 0

Answer:10%= 310

5%= 155

15%=465

Step-by-step explanation: Solution for what is 15% of 3100

3100/x=100/15

(3100/x)*x=(100/15)*x - we multiply both sides of the equation by x

3100=6.66666666667*x - we divide both sides of the equation by (6.66666666667) to get x

3100/6.66666666667=x

465=x

x=465

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Does anyone know the answers to this questions

steposvetlana [31]

Answer:

6c + 36 = 6(c+6)

(6*c) + (6*6) = 6(c+6)

2(3c+3) = 6c+6

(6+c)+(6+6) = neither

3c+6+3c = 6c+6

6c+12 = neither

correct me if I am wrong cuz i haven't done this in 2 years

Step-by-step explanation:

going across the top row then the bottom

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3 years ago

Mr. Tate is ordering books for his class. Each book costs $10.95. If he orders more than $300 worth of

Margarita [4]

Answer:

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Step-by-step explanation:

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3 years ago

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The sum of the two 5 digit numbers ABC10 + ABC12 is 123422. What is A + B + C?

Evgesh-ka [11]

Answer:

Step-by-step explanation:

We are given with two $5\ digit$ numbers whose first $3 \ digits$ are same.

It is given that their sum is $123422$

adding the last two corresponding digits gives,

$0+2=2\\1+1=2$

Now adding the rest,

$C+C \ should\ be\ 14$ to get $4$

$1 \ carries\\B+B$ should not give anything to carry as that will make A in decimal to satisfy the addition.

Therefore,

$B+B \ has \ to \ be 1+1=2,+ 1 \ carry=3$

Thus $B= 1$

And finally,

$A+A=12\\A=6$

Thus $A=6, B=1 \ and \ C=7$

Now simplifying

$A+B+C\\=6+1+7\\=14$

Thus $14$ is the answer.

3 0

3 years ago

D)) The ratio of the monthly income and expenditure of Sunayana is 5 : 3. If she

Gnom [1K]

Answer:

Sunayana's income is ₹25000 and expenditures are ₹15000.

Step-by-step explanation:

Let i denote the monthly income and e denote the expenditures.

We know that the ratio of the monthly income to expenditure is 5:3. So, we can write the following proportion:

$\frac{i}{e}=\frac{5}{3}$

Let's multiply both sides by e. This yields:

$i=\frac{5}{3}e$

We know that when the income is increased by 5000 and the expenditures are decreased by 3000, the new ratio is 5:2. So, we can write the following proportion:

$\frac{i+5000}{e-3000}=\frac{5}{2}$

Let's multiply both sides by $(e-3000)$ :

$i+5000=\frac{5}{2}(e-3000)$

Since we know that $i=\frac{5}{3}e$ , substitute:

$\frac{5}{3}e+5000=\frac{5}{2}(e-3000)$

So, let's solve for the expenditures. Distribute the right:

$\frac{5}{3}e+5000=\frac{5}{2}e-7500$

Subtract $\frac{5}{2}e$ from both sides:

$-\frac{5}{6}e+5000=-7500$

Subtract 5000 from both sides:

$-\frac{5}{6}e=-12500$

Multiply both sides by -6/5. So, the expenditures are:

$e=\text{Rs }15000$

We can use the original ratio to find Sunayana's income:

$i=\frac{5}{3}e$

Substitute 15000 for e. Evaluate:

$i=\frac{5}{3}(15000)=\text{Rs }25000$

So, Sunayana's income is ₹25000 and expenditures are ₹15000.

And we're done!

Edit: Wrong currency, sorry about that!

3 0

3 years ago

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The solution to -3(2 - 5x) = 3x + 12 is 1. -2.25 2. -1.625 3. 1.5 4. 3

Nonamiya [84]

Answer:

1.5

Step-by-step explanation:

i am not certain but this is how I got it

First distribute which gives you the -3 with 2 I switched them around so I did -3(-5x+2) and you will get 15x-6

Then the opposite of subtraction is addition so you add 6 to both sides so you add six to 12 and to 6 leaving you with 15x=3x+18 you then will subtract 3x from 15x and 3 leaving you with 12x=18 the divide the numbers

After you divide you get 3/2 then put it has a decimal and you get 1.5

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3 years ago