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Softa [21]
3 years ago
10

Find the value of x. Then find the angle measures of the triangle.

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0

Answer:

x=35°

3x= 105°

Step-by-step explanation:

40 + 3x + x = 180

40 + 4x = 180

4x = 180 - 40

4x = 140

x =  \frac{140}{4}

x = 35

3x = 3(35) \\ 105

Vesnalui [34]3 years ago
4 0
3x + 40 + x = 180
-40. -40
——————————-
4x. 140
—. ——-
4. 4

x = 35
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The perimeter of a regular pentagon is 17.5 inches. What is the length of each side? 3.5 in. 4 in. 5.8 in. 87.5 in.
Fantom [35]

Answer:

3.5 in.

Step-by-step explanation:

17.5 ÷ 5 = 3.5

5 0
3 years ago
3 folders cost $2.91 dollar sign . Which equation would help determine the cost of 2 folders? WRITE THE LETTER IN THE SPACE BELO
Anna11 [10]

Answer:

$1.94

Step-by-step explanation:

Cost of 3 folders = $2.91

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To find the cost of 2 folders, multiply $0.97 and 2

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3 0
2 years ago
Ill give brainliest - please help ASAP<br><br> WITH THE WORK THO PLEASE?
ohaa [14]

Answer:

5.

we have.

11x=½(16x+16+50)

22x=16x+66

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x=66/6

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6.

118°=½(6x-11+181)

236=6x+170

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7.

34°=½(arcAK-arc LN)

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8.

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4 0
3 years ago
The number of three-digit numbers with distinct digits that can be formed using the digits 1, 2, 3, 5, 8, and 9 is . The probabi
Tems11 [23]

Answer:

1/15

Step-by-step explanation:

When we form such three-digit numbers with distinct digits using the digits  1 , 2 , 3 , 5 , 8  and  9  (in all six digits all different), observe that the order of digits does matter. For example, if we make a number using digits  1 , 2 ,  and  3 , we can have  123 , 132 , 231 , 213 , 312  or  321 .

Hence we have to find number of  3  digit numbers that can be made from these six digits using permutation and answer is ⁶ P ₃ =  6  ×  5  ×  4  =  120 .

.How haw many of them will have first digit as even, we have two choices  2  and  8 . Once we have chosen  2

for hundreds place, we can have only  8  in units place and any one of remaining  4  can be used in tens place. Hence four choices, with  2  in hundreds place and another four choices when we have  8  in hundreds place (and  2  in units place) i.e. total 8  possibilities.

Hence, the probability, that both the first digit and the last digit of the three digit number are even numbers, is  8  /120  =  1 /15

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4 0
3 years ago
I'm new to this math and it's very confusing it's asking that Fill out the Venn diagram using the given information.
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There are the answers filled in :)

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