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Kaylis [27]
3 years ago
14

Please answer now question

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

v=168

Step-by-step explanation:

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Which equation is equivalent to the given equation?
madam [21]

Answer:

x² - x - 12 = 0

Step-by-step explanation:

0 = -x² + x + 12

→ Add x² to both sides

x² = x + 12

→ Minus x from both sides

x² - x = 12

→ Minus 12 from both sides

x² - x - 12 = 0

4 0
2 years ago
Sin(a+b) + sin (a-b) = 2 sin a cos b<br><br> verify the identitiy
Bas_tet [7]
Write out the sum formula for sin 
<span>sin(x + y) = sinxcos + sinycosx </span>

<span>Then expand sin(a + b) + sin(a - b) </span>
<span>sinacosb + sinbcosa + sinacosb - sinbcosa </span>
<span>The 2nd and 4th terms cancel and you get </span>
<span>2sinacosb</span>
6 0
3 years ago
MULTIPLE CHOICE:
Vanyuwa [196]

Answer:

4.7 and 5.1

Step-by-step explanation:

7.4 only works if it shows less than or equal to inequality

5 0
3 years ago
Which inequality represents the following sentence?
Murrr4er [49]
<span>x – 12 ≥ 18 Let's break down the sentence and create an inequality from it. We'll use X to represent the number. "Twelve fewer than a number is at least 18." The "Twelve fewer than a number" indicates subtraction, so let's do that. X - 12 "is at least 18." would be a greater than or equal relationship. So we have X - 12 ≥ 18 And we're done. The desired equation is: x – 12 ≥ 18</span>
6 0
3 years ago
Read 2 more answers
How many solutions does the equation 3(x-5)-7=-3x8 have
LenaWriter [7]

Answer:

not really good at maths. 15.33

Step-by-step explanation:

3(x-5)-7=3×8

3x-15-7=24

3x =24+15+7

3x = 46

Three will divide it's self to give you one and divide 46 to give you 15.333

(correct me if i'm wrong)

8 0
3 years ago
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