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nata0808 [166]
3 years ago
13

Which inequality has the solution set shown in the graph below?

Mathematics
1 answer:
lianna [129]3 years ago
7 0

Answer:

-7x≥-21

Solution:

-7x ≥ -21

÷-7    ÷-7

flip the sign when we divide by a negative number

x ≤ 3

≥ and ≤ mean closed dot

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Help
zalisa [80]
<h2>♪Answer : </h2>

Ingat rumus determinan fungsi kuadrat yaitu :

\longmapsto\boxed{\sf{D = b^2 - 4ac}}

Maka, Kita kembali jawab soalnya.

⏩Nomor (1) :

»8x² + 7x + 10 = 0

Didapatkan nilai² a, b, dan c yaitu :

  • a = 8 | b = 7 | c = 10

Maka, nilai determinannya adalah

  • D = b² - 4ac
  • D = 7² - 4(8)(10)
  • D = 49 - 4(80)
  • D = 49 - 320
  • D = -271✅

\:

⏩Nomor (2) ;

»2x² + 10x + 10 = 5

»2x² + 10x + 10 - 5 = 0

»2x² + 10x + 5 = 0

Didapatkan nilai² a, b, dan c yaitu :

  • a = 2 | b = 10 | c = 5

Maka, nilai determinannya adalah

  • D = b² - 4ac
  • D = 10² - 4(2)(5)
  • D = 100 - 4(10)
  • D = 100 - 40
  • D = 60✅
6 0
2 years ago
Read 2 more answers
Please help me :(<br>......​
mixas84 [53]

Answer:

602

Step-by-step explanation:

3 0
3 years ago
Dave bought a new game for $28 the tax rate was 7% how much was the tax and total price?
Lana71 [14]

Answer:

Step-by-step explanation:

$ 29.96

7 0
3 years ago
The graph below shows carters weight each week since he started his diet write an equation for the line of best fit
balandron [24]

Answer:

ŷ = -1.618X + 215.636

191

Step-by-step explanation:

From the graph:

The data below could be obtained to produce the best fit line :

Week, x :

0

1

2

3

4

5

6

7

8

9

10

Weight :

216

214

213

210

210

207

206

202

203

202

200

Using a linear regression calculator. The best fit line obtained is :

ŷ = -1.618X + 215.636 ; which shows decrease in weight has the number of weeks grow.

Carters weight 15 Weeks into his diet :

X = 15

ŷ = -1.618(15) + 215.636

= 191.366

= 191 (nearest whole number)

7 0
3 years ago
Factor-2 out of -6x + 10
olchik [2.2K]

Answer:

3x - 5

Step-by-step explanation:

divide both numbers by -2

3 0
3 years ago
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