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Ne4ueva [31]
3 years ago
15

Write the equation of a line in point slope form that passes through the points (-8.-3) and (2,2) need help ​

Mathematics
1 answer:
slava [35]3 years ago
7 0
Y+3=1/2•(x+8) (point slope form)
should be correct
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Identify the segments that are parallel, if any, if FDC = GCH
liq [111]

Answer:

B

Step-by-step explanation:

The two lines will never intersect regardless of the distance they go

3 0
3 years ago
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If the angles of a triangle are in the ratio 2:3:5,find them <br>​
liberstina [14]

Answer:

Ratios are 2:3:5 given. So, 2*X+3*X+5*x=180° — sum of three angles of a triangle. So, X=18°. Hence angles are 36° , 54° and 90°

Please give brainiest

6 0
2 years ago
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The diameter of a circle is 10 ft. Find its area in terms of pi
Alexxandr [17]
A = pi(r) ^2
A = 3.14(5) ^2
A = 15.7 ^2
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5 0
3 years ago
A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally distributed with a standard deviation
postnew [5]

Answer: P(22 ≤ x ≤ 29) = 0.703

Step-by-step explanation:

Since the machine's output is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = output of the machine in ounces per cup.

µ = mean output

σ = standard deviation

From the information given,

µ = 27

σ = 3

The probability of filling a cup between 22 and 29 ounces is expressed as

P(22 ≤ x ≤ 29)

For x = 22,

z = (22 - 27)/3 = - 1.67

Looking at the normal distribution table, the probability corresponding to the z score is 0.047

For x = 29,

z = (29 - 27)/3 = 0.67

Looking at the normal distribution table, the probability corresponding to the z score is 0.75

Therefore,

P(22 ≤ x ≤ 29) = 0.75 - 0.047 = 0.703

6 0
3 years ago
a quantity of ethanol is cooled from 47.9° C to 12.3°C and releases 3.12 KJ of heat. what is the mass of the ethanol sample?​
victus00 [196]

Answer:

35.9 grams

Step-by-step explanation:

We use the formula:

q=m*C_p*\Delta T

Where

q is heat released

m is mass

C_p is the constant 2.44

ΔT is change in temperature

We put the info in the formula and solve for m (mass):

q=m*C_p*\Delta T\\-3.12 =  m*2.44(12.3-47.9)\\-3.12*10^3=m*(-86.864)\\m=35.9

The mass of ethanol is 35.9 grams

8 0
3 years ago
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