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allochka39001 [22]
3 years ago
6

What is the equivalent expression of −5(1−5k)−4(2k+5)

Mathematics
2 answers:
Sergio [31]3 years ago
8 0

Step-by-step explanation:

distribute -5 and -4

-5×1, -5×-5k and -4×2k, -4×5

so,

negative times negative is positive and positive times negative is negative

-5+25k-8k-20

add common variables

-5-20+25k-8k

-25+17k

hammer [34]3 years ago
3 0

Answer:

17k - 25

Step-by-step explanation:

- 5(1 - 5k) - 4(2k + 5) ← distribute parenthesis

= - 5 + 25k - 8k - 20 ← collect like terms

= 17k - 25

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True or False:<br><br> 2.4 ÷ 0.6 =<br><br><br> 0.04 x 6 =
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3 years ago
What is the value of the digit 9 in the numbers 913,256
oksian1 [2.3K]

900,000 or nine hundred thousand

<h3>Further explanation</h3>

Problem: given 913,256.

Question: what is the value of the digit 9.

This is a problem with place value.

Let's set the place values from 913,256 consecutively as follows.

  • In the thousands period: 9 hundred thousands, 1 ten thousands, 3 one thousands.
  • In the units period: 2 hundreds 5 tens 6 ones.

Let us say in word form: nine hundred thirteen thousand two hundred fifty-six.

Hence, the value of the digit 9 in the numbers 913,256 is 900,000 or nine hundred thousand.

- - - - - - -

What is the value of the digit 1 in the numbers 913,256? The answer is 10,000 or ten thousand.

- - - - - - -

<u>Notes:</u>

Just as a reminder, the digits in large numbers are in groups of three places, i.e.,

  • hundreds,
  • tens,
  • ones (or units).

The groups are called periods, i.e.,

  • millions period;
  • thousands period;
  • ones or units period.

Commas are typically used to separate the periods.

<h3>Learn more</h3>
  1. An example of the four types of number form brainly.com/question/4725342
  2. The similar problem brainly.com/question/106975
  3. What 3 digits are in the units period of 4,083,817?  brainly.com/question/558692

Keywords: what is the value of the digit 9 in the numbers 913,256, the units period, a large number, standard form, millions, thousands, hundreds, tens, ones, the place value, nine, thirteen, two, fifty-six, number form

8 0
3 years ago
Read 2 more answers
Can you guys help, me, please thank you in advanced.​
Lerok [7]

so let's take a circle with radius (r) = 3cm

Area of the circle = πr² = 3.14 × 3² = 3.14 × 9 = 28.26cm²

hope it helps...!!!!

7 0
2 years ago
Read 2 more answers
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