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Inessa05 [86]
3 years ago
12

How would you write a phrase that represents the expression 7(n - 12)?

Mathematics
1 answer:
NemiM [27]3 years ago
7 0
7n-84 would be your correct answer, 7 times n is 7n. 12 times 7 is 84 so therefore your answer would be 7n-84
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A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 9% vinegar, and the second brand co
pishuonlain [190]
Let the amount of the first brand be x, and let the amount of the second brand be y.
0.09x + 0.14y = 240 * 0.13 .................(1)
x + y = 240 ..............(2)
y = 240 - x .......................(3)
Plugging the value for y from equation (3) into equation (1), we get:
0.09x+0.14(240-x)=240\times0.13 ...............(4)
Equation (4) simplifies to:
-0.05x = -2.4
giving the value for the required amount of 9% vinegar as 48 ml and the required amount of 14% vinegar as 240 - 48 = 192 ml.
7 0
3 years ago
Evaluate this fraction 7 2/3 x 10 1/2
Slav-nsk [51]
The answer is 34 1/2
6 0
3 years ago
What’s the correct answer for this?
ch4aika [34]

Answer:

A.

Step-by-step explanation:

In the attached file

8 0
3 years ago
Help me understand this better pls
levacccp [35]

The coordinates of point L are (12, 0).

Step-by-step explanation:

Step 1:

In order to determine the scale factor, we divide the measurement after scaling by the same measurement before scaling.

K is the point before scaling and L is the point after scaling. K and L lie on the same line.

N is the point before scaling and M is the point after scaling. They both lie on the same line.

Step 2:

The scale factor for M = \frac{-12}{-4} = 3.

So to determine the coordinates of point L, we multiply point K's coordinates with the scale factor.

Coordinates of point L = 3 (3, 0) = (3(3), 3(0)) = (12,0).

So the coordinates of point L are (12, 0).

6 0
3 years ago
Savings account A and savings account B both offer APRs of 5%, but savings account A compounds interest annually, while savings
shepuryov [24]
<h2>Answer:</h2>

Account B will yield more.

<h2>Step-by-step explanation:</h2>

Savings account A and savings account B both offer APRs of 5%

But savings account A compounds interest annually, while savings account B compounds interest monthly.

Lets check which account will yield more :

<h2>Account A.</h2>

Lets take p = 10,000

r = 5% or 0.05

n = 1

t = 1

Compound interest formula is :

p(1+\frac{r}{n})^{nt}

Substituting values in formula;

10000(1+\frac{0.05}{1})^{1}

= $10500

<h2>Account B:</h2>

Lets take p = 10,000

r = 5% or 0.05

n = 12

t = 1

Compound interest formula is :

p(1+\frac{r}{n})^{nt}

Substituting values in formula;

10000(1+\frac{0.05}{12})^{12}

= $10510

We can see that account B gives more yield as compared to account A. When an account is compounded monthly, we earn interest on interest. This is why we yield more.

Therefore, account B will yield more.

3 0
3 years ago
Read 2 more answers
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