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Evgen [1.6K]
2 years ago
13

mrs. marks have 2/3 pound of cheese. she has 1/15 pound on each sandwich. how many sandwiches can she make with the cheese she h

as?
Mathematics
1 answer:
Tema [17]2 years ago
3 0

Answer:

10

Step-by-step explanation:

2/3 can be multiplied by 5 to equal 15ths since we can know 15 (seconds number fraction) is 5 times the originals (first numbers fractions)

This equals to 10/15 and means that with 1/15th on each 10 sandwiches can be made.

The answer gives it straight forward but explanation gets in depth

Edit: I saw your answer and yes it equals 10 but you multiply what it is a fraction of too.

2/3

x5

10/15

Hope that helps some more

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Zoom in closely, pls help me
JulijaS [17]

Answer:  a = 11.1

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

a(0.3 - y) + 1.1 + 2.4x = 0

Let y = 1.3 → a(0.3 - 1.3) + 1.1 + 2.4x = 0 → -a + 1.1 + 2.4x = 0 → a = 1.1 + 2.4x

(y - 1.2) = -1.2(x - 0.5)

Let y = 1.3 → (1.3 - 1.2) = -1.2(x - 0.5) → 0.1 = -1.2x + 0.6 → -0.5 = -1.2x → \dfrac{50}{12}=x\ \rightarrow\ \dfrac{25}{6}=x

a = 1.1 + 2.4x

   =1.1+2.4\bigg(\dfrac{25}{6}\bigg)

   = 1.1 + 0.4(25)

   = 1.1 + 10

   = 11.1

5 0
3 years ago
Someone please help me on this question:
Katena32 [7]

Answer: C

Step-by-step explanation: because her earnings which means net income is 120 because 15 hours times 8 hours is 120 so she cant make more than that if she gets paid $ 8 for 15 hours.

8 0
2 years ago
Read 2 more answers
(3xy)^2x^4y simplifying an expression
DerKrebs [107]

Answer:

36x^6y^3

Step-by-step explanation:

The problem needs application of law of indices

1. (xy)^m = x^my^m

This means common power for terms can be applied to each term individually.

x^a x^b = x^(a+b)\\

Separate power for the terms having  same base can be added together.

_______________________________________________________

we will be using these law of indices in the problem

(3xy)^2x^4y \\=> 3^2x^2y^2x^4y

applied the first rule of indices as mentioned above

3^2x^2y^2x^4y\\=>9*x^(2+4)4y^(2+1)\\=>9*4x^6y^3\\=>36x^6y^3

applied the second rule of indices as mentioned above

Thus, simplified form of (3xy)^2x^4y  is 36x^6y^3.

8 0
3 years ago
Please look at number 13. and use the slope and write the equation for me
natta225 [31]

Answer:

y - y1 = m(x - x1)

(x1, y1) = (1, -1)  (x2, y2) = (3, 5)

m = \frac{5 - (-1)}{3 - 1}

m = \frac{5 + 1}{3-1}

m = \frac{6}{2} = \frac{3}{1} = 3

m = 3

y - 5 = 3(x - 3)

y - 5 = 3x - 9

y = 3x - 9 + 5

y = 3x - 4

Step-by-step explanation:

In order to use point-slope form to convert to slope-intercept form you have to know one point and the value of the slope. In this case, we know two points, but we don't know the slope. In order to find the slope, you can input the values of the two points into the expression: \frac{y2 - y1}{x2 - x1}

After finding the slope, input the values of one of the points (in this example I used (3,5)) and the slope. After that, multiply the slope by the two terms inside the parentheses. then add 5 to both sides of the equation to isolate y. Now your equation is in slope-intercept form.

I hope this helps :)

7 0
2 years ago
Solve for x<br> 6 = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B7%7D" id="TexFormula1" title="\frac{1}{7}" alt="\frac{1}{
Sunny_sXe [5.5K]

Answer:

x=70

Step-by-step explanation:

8 0
3 years ago
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