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scoundrel [369]
3 years ago
6

LAST QUESTION SEND HELP!!!!

Mathematics
2 answers:
Luda [366]3 years ago
8 0
22 is my strongest guess
dangina [55]3 years ago
7 0
The answer is D. because you use Pythagoreans theory and do 12^2+23^2 which equals 673, then you root it and get 26. 
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Factor 2x^2-4x-30 completely. A. 2(x-5)(x+3) B. (2x-5)(x+3) C. (2x+3)(x-5) D. 2(x-3)(x+5)
OLEGan [10]

Answer:

<h2>2(x - 5)(x + 3)</h2>

Step-by-step explanation:

2x^2-4x-30\\\\=2\cdot x^2-2\cdot2x-2\cdot15\\\\=2(x^2-2x-15)\\\\=2(x^2+3x-5x-15)\\\\=2[x(x+3)-5(x+3)]\\\\=2(x+3)(x-5)

4 0
3 years ago
F(x) = 49 − x2 from x = 1 to x = 7; 4 subintervals
Setler [38]

Answe

Given,

f(x) = 49 − x² from x = 1 to x = 7

n = 4

\Delta x = \dfrac{7-1}{4}= 1.5

For x= 1

f(x₀) = 49 - 1^2 = 48

x = 2.5

f(x₁) = 42.75

x = 4

f(x₂) = 49 - 4^2 = 33

x = 5.5

f(x₃) = 49 - 5.5^2 = 18.75

x = 7

f(x₄) = 49 - 7^2 = 0

We have to evaluate the function on therigh hand point

A = \Delta x [f(x_1)+f(x_2)+f(x_3)+f(x_4)]

A = 1.5 [42.75+33+18.75+0]

A = 141.75

For Area for left hand sum

A = \Delta x [f(x_0)+f(x_1)+f(x_2)+f(x_3)]

A = 1.5 [48+42.75+33+18.75]

A =213.75

3 0
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
Help me will mark as brainliest can someone give me the answer of both or atleast one​
slamgirl [31]

Answer:

8. the length is 88/5cm or 17.6cm

Step-by-step explanation:

8.perimeter =2L + 2W

when you convert the width 42/5 = 8.4

so 52 = 2L + 2*8.4

52= 2L + 16.8

52 - 16.8 = 2L

35.2 = 2L

divide both sides by 2

L = 17.6cm

4 0
3 years ago
What is the LCD of 11/12 and 10/9
umka21 [38]

Break the two denominators down to their primes.

9: 3 * 3

12:2 * 2 * 3

LCD: 2*2*3*3

LCD: 4 * 9

LCD:36

4 0
3 years ago
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