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leva [86]
3 years ago
11

The ratio of the measures of the angles in a triangle is 5 to 2 to 3 what's the measure of one angle

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0
5x + 2x + 3x = 180
10x = 180
x = 18

Angles are 36, 54, 90

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Consider generating length-7 strings of lowercase letters. How many strings are there that either begin with 2 consonants or end
Semmy [17]

Answer:

5259544316

Step-by-step explanation:

Given that:

Length of string = 7

Either begins with 2 consonants or ends with 2 vowels :

Either or :

A U B = A + B - (AnB)

Number of vowels in alphabet = 5

Number of consonants = 21

2 consonants at beginning :

First 2 consonants, then the rest could be any:

21 * 21 * 26 * 26 * 26 * 26 * 26 = 5239686816

3 vowels at the end :

First 4 letters could be any alphabet ; last 3 should be vowels.:

26 * 26 * 26 * 26 * 5 * 5 * 5 = 57122000

2 consonants at beginning and 3 vowels at the end :

21 * 21 * 26 *26 *5* 5 * 5 = 37264500

Hence,

2 consonants at beginning + 3 vowels at end 2 consonants at beginning - 2 consonants at beginning and 3 vowels At end

(5239686816 + 57122000) - 37264500

= 5259544316

Hence, number of 7 alphabet strings that begins with 2 consonants and end with 3 vowels = 5259544316

7 0
3 years ago
System of quadratic <br><br> x² - y² = 4<br><br> x² + y² = 4
const2013 [10]

Answer: (2,0),(−2,0)

Step-by-step explanation:

5 0
3 years ago
Julie buys a pair of earrings for $7. Now she would like to the same earrings for 2 friends. How much will she spend for all 3 p
ankoles [38]
The easiest way to do this is to multiple 7 and 3, which gives you 21. Julie will spend $21 on the gifts.
5 0
3 years ago
Read 2 more answers
What is the example please tell meeee !!!!!!3!!:!!!!!!!!!!!!!!!!!!!!!!!!!!
Crazy boy [7]
It would be 2:3 and 3:2
6 0
3 years ago
Read 2 more answers
How do I find the side lengths for this triangle if only one side and ond angle is given? Plz help
alexandr1967 [171]
The two unknown sides are equal to each other so then the two unknown angles are also equal.

A triangle angles add up to 180
36 + 2x = 180
2x = 180 - 36
2x = 144
unknown angles x = 72°

draw line down center of triangle to make two right triangles with side 22/2 = 11. SOH CAH TOA

cos(72) = 11/H
H = 11/cos(72)
H = 35.6

perimeter = 22 + 2(35.6)
perimeter = 93.2 cm

answer E .



8 0
3 years ago
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