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Nadya [2.5K]
3 years ago
10

Karen buys 8.5 pounds of flower. She uses 2.5 pounds to bake bread. She keeps the rest of the flour in small storage bags. If ea

ch storage bag contains 2/5 pounds of flour, how many storage bags does she use?
Mathematics
1 answer:
padilas [110]3 years ago
8 0
Fifteen bags. 2/5 pounds is equal to 0.4 pounds. 8.5 minus the 2.5 used to bake makes 6 pounds left over. 6 divided by 0.4 equals 15.
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Write 14% of a fraction in simplest form.
stepladder [879]

Answer:

7/50

Step-by-step explanation:

4 0
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Which number expresses 6.72 as a fraction in simplest form?
Gwar [14]

Answer: 168/25

Step-by-step explanation:

Convert to a mixed number by placing the numbers to the right of the decimal over 100

. Reduce the fraction. Then, convert the mixed number to an improper fraction by multiplying the denominator by the whole number and adding the numerator to get the new numerator. Place this new numerator over the original denominator.

168/25

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Simplify (−2a2b4)3. Select the correct answer. Question 1 options:
Bad White [126]

Step-by-step explanation:

=  {( - 2 {a}^{2}  {b}^{4} )}^{3}

=  {( - 2)}^{3}  {a}^{2 \times 3}  {b}^{4 \times 3}

=  - 8 {a}^{6}  {b}^{12}

Option → D

7 0
3 years ago
12
a_sh-v [17]

Answer:

x=-2

Step-by-step explanation:

R=3x+2y

y=7, R=8

x=?

Substitute R and y with the values given

8=3x+2(7)

8=3x+14

Combine like terms

8-14=3x

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6 0
3 years ago
Select ALL of the following points that lie on the graph of f (x) = 7 - 3x
frez [133]

Answer:

(-1, 10)

(2, 1)

(0, 7)

Step-by-step explanation:

Any points, that makes the equation of the function, f(x) = 7 - 3x, true, is a point that lies on the graph of the function.

Let's check each of the options.

Option 1: (-2, 1).

Plug in x = -2, f(x) = 1 into f(x) = 7 - 3x

1 = 7 - 3(-2)

1 = 7 + 6

1 = 13 (this is not true)

Thus, (-2, 1) is not a point that lies on the graph of the function.

Option 2: (-1, 10).

Plug in x = -1, f(x) = 10 into f(x) = 7 - 3x

10 = 7 - 3(-1)

10 = 7 + 3

10 = 10 (this is true)

Thus, (-1, 10) is a point that lies on the graph of the function.

Option 3: (2, 1).

Plug in x = 2, f(x) = 1 into f(x) = 7 - 3x

1 = 7 - 3(2)

1 = 7 - 6

1 = 1 (this is true)

Thus, (2, 1) is a point that lies on the graph of the function.

Option 4: (0, 7).

Plug in x = 0, f(x) = 7 into f(x) = 7 - 3x

7 = 7 - 3(0)

7 = 7 - 0

7 = 7 (this is true)

Thus, (0, 7) is a point that lies on the graph of the function.

Option 5: (1, 5).

Plug in x = 1, f(x) = 5 into f(x) = 7 - 3x

5 = 7 - 3(1)

5 = 7 - 3

5 = 4 (this is not true)

Thus, (1, 5) is NOT a point that lies on the graph of the function.

7 0
2 years ago
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