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ExtremeBDS [4]
2 years ago
15

Y = -2x + 5 & y = x - 1 Use the Equal Values Method to solve for x and y

Mathematics
1 answer:
ikadub [295]2 years ago
4 0
X-1=-2x+5
X=2

Y=-2(2) + 5
Y= 1
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A company produces individually wrapped spherical biscuits. The minimum amount of wrapping material needed to cover a biscuit, a
svetlana [45]
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r=4cm. So d=8cm
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3 years ago
15 pts and brainliest, true, correct answers only <br><br> If N∈AB and AN= 1 3 · AB, then BN = · AB.
laiz [17]

Answer:

13

Step-by-step explanation:

Not sure, i'm sorry

should be the same logic as

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4 0
2 years ago
What is the difference of the lengths of and ? use the value = 3.14, and round the answer to two decimal places. a. 1.25 units b
natulia [17]

The difference between the length of arc BD and CE is 1.57 units

<h3>Length of an arc</h3>

length of arc = ∅ / 360 × 2πr

where

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  • ∅ = central angle

Therefore,

BD = 45 / 360 × 2 × 3.14 × 6 = 1695.6 / 360 = 4.71 units

CE = 45 / 360 × 2 × 3.14 × 8 = 2260.8 / 360 = 6.28 units

Therefore, the difference between the length of arc BD and CE is as follows:

6.28 - 4.71 = 1.57 units

learn more on length of arc here: brainly.com/question/3984590

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6 0
1 year ago
A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and 2 are black, we stop. If no
Airida [17]

Answer:

<em>Find the probability of success in a single trial and then think about the nature of the problem (when do we stop).  </em>

Step-by-step explanation:

Observe that in the single trial, we have (8 4) possibilities of choosing our set of balls. If we have chosen two white balls and two black balls, the probability of doing that is simply  

p=(4 2)*(4 2)/(8 4)

This is well know Hyper geometric distribution. Now, define random variable X that marks the number of trials that have been needed to obtain the right combination (two white and two black balls). From the nature of the problem, observe that X has Geometric distribution with parameter p that has been calculated above. Hence  

P(X = n) = (1— p)^n-1 *( p )

<em>Find the probability of success in a single trial and then think about the nature of the problem (when do we stop).  </em>

3 0
3 years ago
Please help me please help me please please someone can please help me this is way too hard please please please please please p
anzhelika [568]

Answer:1  0.05806644 2 64.3818067 m2 3 10.8696557 m2 4  80.2682266 m2 0.13935456 m2 and 15.7935168 m2

Step-by-step explanation:

5 0
3 years ago
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