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3 years ago

Solve 4,500 ÷ 9 = ___ using mental math.

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

7 0

Answer:

4,500 ÷ 9 = 500

hope this helps <3

soldi70 [24.7K]3 years ago

6 0

Answer:

500

Step-by-step explanation:

1. 500

2. 1,000

3. 1,500

4. 2,000

5. 2,500

6. 3,000

7. 3,500

8. 4,000

9. 4,500

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Answer:

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3 years ago

At the fast food restaurant, four cheeseburgers and five small fries have a total of 2,310 calories. Three cheeseburgers and two

Svetlanka [38]

Answer: 290 calories in a cheeseburger and 230 calories in fries.

x = calories in a cheeseburger

y = calories in an order of small fries

Four cheeseburgers and five small fries have 2,310 calories. Therefore

4x + 5y = 2310 (1)

Three cheeseburgers and two small fries have 1,330 calories. Therefore

3x + 2y = 1330 (2)

Equations (1) and (2) model the given situation.

To solve, multiply (1) by 2, and multiply (2) by 5 to obtain

 8x + 10y = 4620 (3)

15x + 10y = 6650 (4)

Subtract (3) from (4).

7x = 2030

x = 290

From (1), obtain

5y = 2310 - 4*290 = 1150

y = 230

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Hope this helps!

:)

5 0

3 years ago

Which linear inequality represents the graph below?

muminat

Answer:

The answer would be B

Step-by-step explanation:

The reason that we know this is because the line is falling and because it is a solid line then we know that it is ≥ and not just >. the solid line already gets rid of C and D. A is a positive number which would cause the line to go the opposite direction. Therefore B is your only answer left.

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2 years ago

If 10^x equals 0.1 percent of 10^y, where x and y are integers, which of the following must be true?

andrew-mc [135]

$10^x=0.1 \% \times 10^y \\ \\
10^x=\frac{0.1}{100} \times 10^y \\ \\
10^x=\frac{1}{1000} \times 10^y \\ \\
10^x=\frac{10^y}{10^3} \\ \\
10^x=10^{y-3} \\ \\
\log_{10} 10^x=\log_{10} 10^{y-3} \\ \\
x=y-3 \\ \\
y=x+3$

The answer is B.

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3 years ago

The area of a parallelogram is 54 ft2. If the base of the parallelogram is 6 feet, what is its height?

m_a_m_a [10]

Answer:

9 feet

Step-by-step explanation:

Area of a parallelogram = base times height

Thus, 54 = 6h

where h = height

* divide each side by 6 *

54 / 6 = 9

6h / 6 = h

h = 9

Thus, the answer is A

6 0

3 years ago

Read 2 more answers