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ella [17]
3 years ago
6

HELP WITH THESE 3 questions please !!! Please dont give me the wrong answers thanks I really need help

Mathematics
1 answer:
natta225 [31]3 years ago
5 0

Answer:

We use similar triangles to get

16

15

25

brainliest pls

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3b+1.89+5b+3.15=77.04
zheka24 [161]

Answer:

b=9

Step-by-step explanation:

move the constant to the right which makes it 8b +5.04=77.04

then subtract 77.04 - 5.04 which = 8b = 72

7 0
3 years ago
Read 2 more answers
How do the lengths of line segments define the golden ratio?
NISA [10]

Answer:

\frac{a+b}{a}=\frac{a}{b}

Step-by-step explanation:

The golden ratio is a special number favored by the Greeks. Its ratio roughly equals 1.618. The ratio is formed by taking a line segment and dividing it into two parts labeled a and b. The golden ratio is formed when this proportion is true \frac{a+b}{a}=\frac{a}{b}.

When you add a and b then divide by a, it will be the same as a divided by b. This will hold true only for specific lengths of a and b. This means you must divide the line segment in such a way that a and b meet this requirement.

Example:

If the line segment is 50 cm long. Split the segment into parts a and b where a = 30.9 and b = 19.1. Substitute the values into the proportion \frac{a+b}{a}=\frac{a}{b}.

\frac{30.9+19.1}{30.9}=\frac{30.9}{19.1}

\frac{50}{30.9}=\frac{30.9}{19.1}

1.618 = 1.618

This is the golden ratio.

5 0
4 years ago
The committee is planning a party and 150 guests are expected. Each table seats 12 people. How many tables will be needed to sea
gtnhenbr [62]

Answer:

You will need about 13 tables.

Step-by-step explanation:

I divided the number of guests by 12 and got 12.5 however you can't have half of a table so I rounded up and got 13.

4 0
4 years ago
How you could use the numerical value of slope to describe the slant and steepness of a line?
AfilCa [17]
A positive  value means the line is rising towards the right , a negative the line  is downwards to the right.

The higher the absolute value of the slope the steeper the line.
6 0
4 years ago
5 of 12
AnnZ [28]

Answer: The Cars Average Speed Will Be 60Mph.

4 0
3 years ago
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