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Hoochie [10]
3 years ago
12

The length of Ab & Df with work shown

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
4 0
It’s to blurry I can’t see
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3. The surface area of the sphere is 30 m2. Find the radius of the sphere.​
pickupchik [31]

Answer:

Step-by-step explanation:

The formula for the surface area is A = 4πr².  This formula can be solved for r² and then the result solved for the radius, r:

         A

r² = --------     The radius of the sphere is as follows:

        4π

√(30 m²)

-------------- meters

     2√π

7 0
3 years ago
Ranking correct answer brainliest :)
MrRa [10]

Answer:

115

Step-by-step explanation:

angle DEF is an inscribed angle and arc DF is the arc it intercepts

if you didn't know an inscribed angle is equal to half the measure of the arc it intercepts

Hence angle DEF = 1/2 of arc DF

If arc DF = 230 then angle DEF = half of 230 or 230/2

230/2=115

Hence angle DEF = 115

8 0
2 years ago
The temperature in Fairfax was 2 degrees Fahrenheit. In Oakland, the temperature was 75 degrees Fahrenheit higher than in Fairfa
DedPeter [7]
The answer is 77 because 2 + 75 = 77
6 0
3 years ago
Read 2 more answers
What is the solution of the equation w – 8 =5? Show your work
Marta_Voda [28]

Answer:

Step-by-step explanation:

first one: w-8 =5

reverse it-  8+5= 13         so 13-8= 5

second one: 5x-2

2x-2+3x  << group together the x's

2x+3x=5x and you'll end up with 5x-2

last one: r/5=-9

again, reverse it-  -9 x 5 = -45

a negative times a positive = a negative

8 0
2 years ago
The probability distribution histogram shows the number of days a book is checked out of the library. What is P(9≤X&lt;18)?​
aleksley [76]

Answer:

p(9\leq{X}\leq{18})=0.6

Step-by-step explanation:

  • The probability distribution provides the probabilities of occurrence of different possible outcomes, in this case we want to know what is the probability that the variable X takes any value between 9 and 18.
  • The probability of occurrence is shown in the vertical axis of the graph. We want to know what is the probability of finding values of X between 9 and 18, then we should add up the probabilities between these two values , which means adding P(9\leq{X}\leq {12})+P(12\leq{X}\leq {15})+P(15\leq{X}\leq {18}) = 0.15+0.30+0.15=0.6
4 0
3 years ago
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