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castortr0y [4]
3 years ago
8

which graph represents a line with a slope of -2/3 and a yintercept equal to that of the line y=2/3x-2

Mathematics
1 answer:
swat323 years ago
5 0

Answer:

y=-2/3x-2

Slope: -2/3

Y intercept: -2

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Stuck with a current word problem
ss7ja [257]

50 quarts of 5% butterfat and 1% butterfat milk are to be mixed.

<u>SOLUTION: </u>

First, I will set up my table. I will fill in the unknowns with variables x and y.

The table is attached below

From the table attached below, we can easily set up the two equations.  

<em>Sum of values of two milks = Value of mixture  </em>

0.05x + 0.01y = 3  

For convenience, we'll multiply the entire equation by 100,

5 x + y = 300 ------> (1)  

Now, Sum of amounts of each acid = Amount of mixture  

x + y = 100 ---------> (2)

Subtracting equation (2) from (1),  

( + ) 5 x + y = 300

( − ) x -  y = 100

− − − − − − − −

( = ) 4x + 0y = 200  

Thus, 4x = 200  

x = 50

Substituting x = 50 in (2),

( 50 ) + y = 100  

y  = 100 – 50 = 50  

hence, 50 quarts of 5% butterfat and 1% butterfat milk are to be mixed.

3 0
3 years ago
Evaluate 3z+6 when z=4​
tatyana61 [14]

Answer:

18

Step-by-step explanation:

plug 4 for z

3(4)+6=18

5 0
3 years ago
Which is the better buy; 3 pounds for $8.31 or 5 pound for $12.95
aliya0001 [1]
I would say 5 pounds for $12.95
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4 0
3 years ago
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Questions of 8. Step 1 of 1 5/8 Correct Incor In November, Mr. Carlisle opened a checking account and made deposits of $612. $75
quester [9]

Answer:

$616

Step-by-step explanation:

When you add all the values that were added to his account, he added $3,089.When you add all the values that he wrote checks for (subtracted), he took out $2,473. When you subtract 2,473 from 3,089, you get 616, which is how much money is left in his account.

8 0
3 years ago
There are 13 girls on Janelle's soccer team. Uniforms cost $32 each. Which equation uses estimation correctly to show about how
iVinArrow [24]

Answer:

$416

Step-by-step explanation:

From the above question,

Total number did people in a team = 13 girls

Uniform of each member of team = $32

The amount of money the team spent can be calculated as:

$32 × x

Where x = Number of people on the team = 13

The amount spent = $32 × 13

= $416

The amount the team spent is $416

5 0
3 years ago
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