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lukranit [14]
3 years ago
5

Umm I don’t remember this please help. I will give correct answer brainliest

Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer:

Option D

Step-by-step explanation:

F=\frac{9}{5}C+32\\\\F-32=\frac{9}{5}C  \\\\5(F-32)=9C\\\\\frac{5(F-32)}{9}=C  \\\\C=\frac{5}{9}( {F-32})

For F=77°F

C=\frac{5}{9}(F-32) \\\\C=\frac{5}{9}(77-32)\\\\C=\frac{5}{9}(45)\\\\C=\frac{225}{9} \\\\C=25

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i have to submit this in an hour plz do this asap,the document is attached plz download it and answer it
insens350 [35]

Answer:

1. a. Q° = 95°

b. a = 20.3; b = 19.3

2. p = 36; q = 14.4

Step-by-step explanation:

Question 1:

Recall: The Exterior Angle Theorem of a Triangle states that the size of the exterior angle of a triangle equals the sum of the two sizes of the two opposite angles of the triangle.

a. Based on the theorem,

Q° = 41° + 54° = 95°

b.

✔️122° = 4a + 2a (exterior angle theorem)

122 = 6a

Divide both sides by 6

122/6 = a

a = 20.3

✔️122° + 3b = 180° (angles on a straight line)

3b = 180 - 122

3b = 58

b = 58/3

b = 19.3

Question 2:

Recall: Opposite angles of a parallelogram are equal while adjacent/consecutive angles are supplementary.

✔️2p + 3p = 180° (adjacent angles)

5p = 180

p = 180/5

p = 36

✔️2p = 5q (opposite angles)

Plug in the value of p

2(36) = 5q

72 = 5q

72/5 = q

q = 14.4

8 0
3 years ago
Rates and unit rates
Vilka [71]
Rate = A ratio that compares two quantities measured in different units.
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3 years ago
31. In a Mathematics competition, there are 10 questions of equal marks. You get 10 marks for a correct
Setler79 [48]
Jimmy will receive -18 marks in the mathematics competition.
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3 years ago
Bianca is making scarves to sell. She has 33 peices of blue fabric, 37 peices of green fabric, and 41 peices of red fabric. Supp
Masja [62]

Answer:

I did my work, and I got 37 scarves. I feel really bad bc I am not 100% sure, and I hate when I am not 100% sure.

Step-by-step explanation:

For if you need to show your work:

33 pieces of blue fabric --> it can make 11 scarves exactly

37 pieces of green fabric --> it can make 12 scarves, with 1 piece of fabric left over

41 pieces of red fabric --> it can make 13 scarves, with 2 pieces of fabric left over

Left over fabric --> there are 3 pieces of fabric left over; 1 green and 2 red. This results in 1 more scarf

So lets add up our scarves: 11 scarves + 12 scarves + 13 scarves + 1 more scarf

That equals 37 scarves!

I hope this helps. Please <em><u>mark brainliest</u></em><em>, </em>I would really appreciate it if you did

8 0
4 years ago
Systems of equations - substitution method <br><br> -8x+7y=10<br> Y=3x+7
andre [41]

Answer:

<h2>x= -3 , y = -2</h2>

Step-by-step explanation:

<h3> <em>Hope </em><em>it </em><em>helps </em><em>you.</em><em>.</em><em>.</em><em>.</em></h3><h2>Mark this answer as brainliest</h2>

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3 years ago
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