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navik [9.2K]
3 years ago
15

Who is known for inventing the telephone?

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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Which equation can be used to solve for x in the following diagram ?
Sliva [168]
C 35+5x=90
5x=90-35
x=55/5
x=11
Hope this helped
4 0
3 years ago
if someone could please please help me with this I would appreciate it , if you could also explain your answer that would be gre
weqwewe [10]

Answer:

height for the building = 551.8 ft

Step-by-step explanation:

The info given describes the shape of a right triangle.

Thus:

Reference angle = Angle of elevation = 23°

Opposite side = height of the building = ?

Adjacent side = 1,300 ft

Apply trigonometric function, TOA:

Tan 23 = Opp/Adj

Tan 23 = Opp/1,300

1,300 × Tan 23 = Opp

551.817261 = Opp

Opp ≈ 551.8 ft

height for the building = 551.8 ft

3 0
3 years ago
Melissa got 18 out of 20 on a math quiz. Tom got 85% on the quiz. Whose mark was greater? (Show all of your proof
Korvikt [17]

Answer:

Melissa

Step-by-step explanation:

Melissa: 18/20

Tom: 85/100

Find the common denomenater so multiply 18*5 and 20*5

Melissa: 95/100

95>85

Melissa has the greater mark

4 0
3 years ago
Suppose you randomly select a letter from BURGER AND STARBIRD. Imagine writing these letters on Ping-Pong balls – one letter per
TiliK225 [7]
First, count the total number of letters in <span>BURGER AND STARBIRD.
There are 17 letters.
Now count each type of letter you are interested in and divide by 17.

a) There are four R's, so the probability of pulling out an R is 4/17.

b) </span><span>There are two B's, so the probability of pulling out an B is 2/17.

c) Letters A through M appear in the first half of the alphabet.
These letters are from the first half of the alphabet:
</span><span>BGEADABID
There are 9 of them.
</span>The probability of pulling out a letter that appears in the first half of the alphabet is 9/17.

d) <span>These letters are vowels
</span><span>UEAAI
There are five vowels.
</span><span>The probability of pulling out a vowel is 5/17.</span>
8 0
3 years ago
The Boeing777-300ER flies between Auckland and Los Angeles. It has 246 Economy
Alex17521 [72]

Answer:

72.35%

Step-by-step explanation:

246/340 = .723529

Just multiply it by 100 to get the percentage

.723529 x 100 = 72.3529

8 0
3 years ago
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