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frez [133]
3 years ago
11

Given x=7 y=3 and z=10, calculate the value of:5x =​

Mathematics
2 answers:
bulgar [2K]3 years ago
8 0
The answer is 35 because it would be 5 times x which is 7
suter [353]3 years ago
7 0

Answer: 5x= 35

Step-by-step explanation:

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highland has a population of 12,200. Its population been increasing at a rate of 300 poeple per year. Lowville has a population
Amanda [17]

Answer:

  • 16 years

Step-by-step explanation:

<u>Equation for the Highland population</u>

  • 12200 + 300x

<u>Equation for the Lowville population</u>

  • 21000 -250x

<u>Populations are equal after</u>

  • 12200 + 300x = 21000 - 250x
  • 300x + 250x = 21000 - 12200
  • 550x = 8800
  • x = 8800/550
  • x = 16 years
3 0
3 years ago
What is the difference of a number (n) from 4??
tia_tia [17]
The algebraic expression would be 4 - n, I believe.
6 0
3 years ago
Evaluate the expression 7x2y, when x = 4 and y = 2. and just gave me the plain answer
Law Incorporation [45]

Answer:

224

Step-by-step explanation:

7x^2y, when x = 4 and y = 2

Plug in

7x^2y = 7 (4)^2 (2)

=7 * 16 * 2

= 224

3 0
3 years ago
Read 2 more answers
The mass of a vase is 0.3kilgram. A flower has a mass that is 0.03 times the mass of the vase. What is the mass of the flower?
deff fn [24]
Hello!

0.3 × 0.03 = 0.009

The mass of the flower is 0.009 kilogram.
8 0
3 years ago
Five of the 25 girls on Alden Middle School’s soccer team are seventh-grade students. Find the percentage of seventh graders on
Fed [463]

Oh, I remember this one. Here's this if you need it, if it doesn't help then let me know.

6 0
3 years ago
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