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Shalnov [3]
2 years ago
13

C. Divide 45 into three parts which are in A.P. Such that the pr oduct of last two is 300.​

Mathematics
1 answer:
skelet666 [1.2K]2 years ago
4 0
(a−b)+a+(a+b)=45

⟹3a=45

a=15

a(a+b)=300

⟹15(15+b)=300

⟹225+15b=300

⟹15b=300−225

⟹15b15=7515

b=5

a−b=10⟹a=15⟹a+b=20

The three numbers are 10, 15, and 20.

Proof:

10+15+20=45✓
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I need help ASAP please
gulaghasi [49]

Answer: x =168

 

Step-by-step explanation:I think it would be 80 plus 88 so its 168.  

4 0
4 years ago
The sum of all but one interior angle of a heptagon is 776°. What is the measure of the final interior angle? 42º 56º 124º 3
weqwewe [10]

The measure of the seventh <em>interior</em> angle of the heptagon is 124°. (Correct choice: C)

<h3>What is the measure of the missing interior angle in a heptagon?</h3>

Heptagons are polygons with seven sides, seven vertices, seven <em>interior</em> angles and seven <em>central</em> angles. Herein we know the value of the sum of six interior angles and we need to know the measure of the seventh <em>interior</em> angle. We can determine the measure of the seven interior angles by using the following expression:

θ = (n - 2) · 180°, where n is the number of sides of the polygon.     (1)

If we know that n = 7, then sum of the internal angles in the heptagon is:

θ = (7 - 2) · 180°

θ = 900°

And the measure of the final interior angle is found by subtraction:

θ₇ = 900° - 776°

θ₇ = 124°

The measure of the seventh <em>interior</em> angle of the heptagon is 124°. (Correct choice: C)

To learn more on polygons: brainly.com/question/17756657

#SPJ1

3 0
2 years ago
Make a fraction division equation
guajiro [1.7K]
Hey there!
Let's make one and solve it.
Fraction division is solved by using a simple rule:
"keep, switch, flip!"

So if we have:
4/8 divided by 5/9

We keep the 4/8, switch the division to multiplication, and flip the 5/9 to 9/5:

4/8 * 9/5 = 36/40 = 18/20 = 9/10

Hope this helps!
5 0
3 years ago
Which one should I use
Setler79 [48]

Answer:

Pythagorean Theorem and Sine

Step-by-step explanation:

you could use pythagorean theorem to find the 3rd side, then use inverse sine of c.

Using the equation a2 + b2 = c2

Subtract 13squared from 5squared

169-25

then take the square root of the answer- which is 12

then do the inverse of sine

that should give you the missing angle

4 0
3 years ago
Read 2 more answers
WhAt are all the multiples of 49
g100num [7]
49,98,147,196,245,294,343,392,441,490,539,588,637,686,735,784,833,882,931,980,1029,1078,1127,1176,1225,1274,1323,1372,1421,1470,1519,1568,1617,1666,1715,1764,1813,1862,1911,1960,2009,2058,2107,2156,2205,2254,2303,2352,2401,
5 0
3 years ago
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