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Mandarinka [93]
3 years ago
8

Help with #11 and pls show me work so I know how u did it

Mathematics
1 answer:
Zanzabum3 years ago
3 0
From experience, you do not always increse the ingredients proportinally or else you will get some srprise


but this rpblem assumes that


basically
since 2 and 1/3 increased to 7
we have to increase flour also
by how much?

2 and 1/3 times how many=7
7/3 times what=7
multpily both sides by 3/7 to clea fraction
what=21/7
what=3 times

so flour has to increase by 3 time aslso
2=orignal flour
2*3=6
flowur is now 6

B
another way is
(2 and 1/3)/7=2/x
solve for x



B is anser
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Mrs. Jasper has some 8-ounce cups for serving punch. Her punch bowl holds 2 gallons of punch. Mrs. Jasper thinks she can serve f
Dima020 [189]

Answer:

She is wrong

Step-by-step explanation:

in one gallon there is 128 ounces, and 2 would make it 256.

40 - 8 ounce cups would make it 320 ounces, therefore she would need 3 gallons at least.

5 0
3 years ago
5x(2x-y) -3y(2+3x) expand and simplify​
OleMash [197]

Answer:

10x² - 14xy -6y

Step-by-step explanation:

5x(2x-y)-3y(2+3x)

10x²-5xy-6y-9xy

10x² - 14xy - 6y

5 0
3 years ago
Solve by substitution. Show each step of your work.<br><br> 2x + y = 7<br><br> 3x + 5y = 14
Monica [59]
Alright...simple...showing all steps.. ;)

You have the equations...

2x+y=7
and
3x+5y=14

To be able to even solve for any of the variables...multiply the equations by...2...and..3...

2x+y=7----*3--> 6x+3y=21
and
3x+5y=14-----*2--->6x+10y=28

Thus,

6x+3y=21
-
6x+10y=28

=========

-7y=-7

y=1

Now, plug y back into any of the original equations....we'll use 2x+y=7 in this case....

2x+(1)=7

2x+1=7
      -1  -1

2x=6

x=3

Thus, the point of intersection for these two equations is (3,1)
8 0
4 years ago
70 pointsss for the correct answer
nignag [31]

Answer:

f(x) = 12x³ - 19x² + 17x - 17

Step-by-step explanation:

We can the numerator by multiplying the denominator by the quotient, and then adding the remainder.

We're given a denominator of 4x - 5

a quotient of 3x² - x + 3

and a remainder of -2

so the original numerator is:

(4x - 5)(3x² - x + 3) - 2

= 12x³ - 4x² + 12x - 15x² + 5x - 15 - 2

= 12x³ - 19x² + 17x - 17

Let's test that by dividing it by 4x -5 with long division:

\ \ \ \ \ \ \ \ \ \  3x^2 - x + 3\\4x - 5\overline{)12x^3 - 19x^2 + 17x - 17}\\.\  \ \ \ \ \ \ \ \ \underline{2x^3 - 15x^2}\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \  -4x^2 + 17x\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \underline{-4x^2 + 5x} \\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 12x - 17\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \underline{12x - 15}\\.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 2R

That matches, so we know our answer's right, and:

f(x) = 12x³ - 19x² + 17x - 17

3 0
4 years ago
5÷6 is 5/6. What is 1/6 of 5?<br> help!
grandymaker [24]

Answer:

0.83333333333

Step-by-step explanation:

(1/6)x5

5 0
4 years ago
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