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love history [14]
3 years ago
14

in the fridge hannah had 2/3 of a quart of milk. she used half of this milk when she had breakfast cereal. how much milk did she

use?
Mathematics
2 answers:
konstantin123 [22]3 years ago
8 0

Answer:

1/3 of a quart of milk.

Step-by-step explanation:

We have been given that Hannah has 2/3 of a quart of milk.

Now, she used half of this milk in breakfast.

Thus, in order to find the amount of milk she used we can take half of the amount of milk she initially had.

Mathematically, we have

Milk she used = 1/2 × initial amount of milk

Therefore,

Milk she used = 1/2 × 2/3

Milk she used = 1/3

Therefore, she used 1/3 of a quart of milk.

vladimir2022 [97]3 years ago
7 0
Hannah used half of her milk.
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In two or more complete sentences, describe how to use technology to construct an appropriate regression model for the given dat
mamaluj [8]

The regression equation of the data values is y = 0.3x^2 - 2.8x +4.2

<h3>How to determine the regression equation?</h3>

Using a technology such as a graphing calculator, we simply input the data values in the graphing calculator and then wait for the result.

The x coordinates must be entered into the x values and the y coordinates must be entered into the y values

Using a graphing technology, the regression equation of the data values is y = 0.3x^2 - 2.8x +4.2

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8 0
2 years ago
Which expressions are equivalent to this expression?
lara [203]

Answer:

<em>Answer</em><em> </em><em>is</em><em> </em><em>given below with explanations</em><em>. </em>

Step-by-step explanation:

given \: equation \: is \\ 30 {x}^{2}  - 5x - 10 \\ taking \: out \: 5 \: which \: is \: common \:  gives \\ 5(6 {x}^{2}  - x - 2) \\ by \: factorization \:  \\ (multiply \:  =  - 12 \: and \: add \:  - 1) \\ 5(6 {x}^{2}  + 3x - 4x - 2) \\ 5(3x(2x + 1) - 2(2x + 1)) \\  = 5(2x + 1)(3x - 2)  \\ so \: answer \: is \: option \: 5

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7 0
3 years ago
3x - y = 2 y = 2x -9 what is x and y using substitution
xxTIMURxx [149]

3x - y = 2

y = 2x - 9

Substitute:

3x - 2x - 9 = 2

x - 9 = 2

x = 11

Substitute your answer into any equation:

y = 2x - 9

y = 2(11) - 9

y = 22 - 9

y = 13

Answer:

x = 11 ; y = 13

8 0
4 years ago
Read 2 more answers
Please fast tell me​
statuscvo [17]

Answer:

1). Option (b)

2). Option (d)

3). Option (d)

Step-by-step explanation:

Question (1)

For Pythagoras triplet,

(Largest number)² = (Number 1)² + (Number 2)²

a). 5² = 5² + 2²

   25 = 25 + 4

   25 = 29

  Not True.

b). 5² = 3² + 4²

   25 = 9 + 16

   25 = 25

   True.

c). 10² = 1² + 5²

   100 = 1 + 25

   100 = 26

   Not true.

d). 2² = 2²+ 2²

   4 = 4 + 4

   4 = 8

   Not true.

Therefore, Option (b) is correct.

Question (2)

1 - \frac{1}{5} = \frac{5}{5}-\frac{1}{5}

      = \frac{5-1}{5}

      = \frac{4}{5}

Therefore, Option (d) is the answer.

Question (3)

Property of triangle → Sum of lengths of two sides of a triangle should be greater than the measure of third side.

a). 6 + 3 > 2 ⇒ 9 > 2 [True]

    6 + 2 > 3 ⇒ 8 > 3 [True]

    2 + 3 > 6 ⇒ 5 > 6 [False]

    Triangle is not possible.

b). 2 + 8 > 3 → 10 > 3 [True]

    8 + 3 > 2 → 11 > 2 [True]

    2 + 3 > 8 → 5 > 8 [False]

   Triangle is not possible.

c). 5.5 + 2.5 > 2.5 → 8 > 2.5 [True]

   5.5 + 2.5 > 2.5 → 8 > 2.5 [True]

   2.5 + 2.5 > 5.5 → 5 > 5.5 [False]

   Triangle is not possible.

d). 3 + 6 > 7 → 9 > 7 [True]

    3 + 7 > 6 → 10 > 6 [True]

    7 + 6 > 3 → 13 > 3 [True]

   These are the sides of a triangle.

Therefore, Option D is the answer.

3 0
3 years ago
Solve for x: x - 10 = -12
andre [41]

Answer:

x = -2

Step-by-step explanation:

Step 1: Add 10 to both sides.

  • x - 10 + 10 = -12 + 10
  • x = -2

Step 2: Check if solution is correct.

  • -2 - 10 = -12
  • -12=-12

Therefore, x = -2.

8 0
3 years ago
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