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erastova [34]
3 years ago
13

**BRAINLIEST FOR CORRECT ANSWERS** 10 POINTS **Please answer the problems in the follow pictures correctly.

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0
1. a
2. c
3. a
4. b
5. c

explanations:
1. the opposite of -4 is 4. you can think of this two ways: the opposite of a negative is always absolute value, or the opposite of a negative is always positive.
2. above
3. -5 > -8 because the distance -5 is from 0 is 5, and the distance from -8 to 0 is 8. 8 > 5, so -8 is farther away than -5.
4. while -8 is less than -6, but absolute value would turn -8 into 8, which is greater than -6
5. explained by all above.
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Answer: 78 pounds
Explanation: if 1 kilogram is 2.2 pounds, just multiply the weight in kg by 2.2:
35.4 x 2.2 = 77.88
Round to nearest whole: 78.
So the dog is 78 pounds
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2 years ago
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A square has a perimeter of 52cm , what is the area ?
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✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ The area is 169 square cm.

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52/4 = 13

To find the area of a square, you only need 2 sides so multiply 2 sides:

13 x 13 = 139

Area = 139 square cm

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4 0
3 years ago
Because of variability in the manufacturing process, the actual yielding point of a sample of mild steel subjected to increasing
photoshop1234 [79]

Answer:

P-value ≈ 0.3463

Step-by-step explanation:

Hypothesis test would be

H_{0}:p=0.20

H_{a}:p>0.20

We need to calculate the z-score of sample proportion and then the corresponding P-value.

z-score can be calculated as:

z=\frac{p(s)-p}{\sqrt{\frac{p*(1-p)}{N} } } where

  • p(s) is the sample proportion of specimens yield before the theoretical point (\frac{9}{40}=0.225)
  • p is the proportion assumed under null hypothesis. (0.20)
  • N is the sample size (40)

Using the numbers

z=\frac{0.225-0.2}{\sqrt{\frac{0.2*0.8}{40} } } =0.3953

and the P-value is then P(z)≈0.3463

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3 years ago
8.2z^2+2.1+7z-0.1-4z+z^2
Mariulka [41]
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Hope this helps : )
4 0
3 years ago
P - 12p + -2p - -19p + -13p = 9
USPshnik [31]

Answer:

p=\frac{9}{7}

Step-by-step explanation:

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Let's check the answer:

6 0
3 years ago
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