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BabaBlast [244]
2 years ago
7

My brain hurts help

Mathematics
1 answer:
melamori03 [73]2 years ago
8 0

Answer:

x = 15

Step-by-step explanation:

let me know if you want an explanation

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23)
Kaylis [27]

Answer:

90 degrees

Step-by-step explanation:

Step 1: State what is known

Notice that the 2 lines cut the square in half and create 4 congruant triangles.  We know a full circle is 360 degrees and the intersection is a perfect circle formed by 4 angles.  We can find the angle AEB by dividing 360 by 4 which gives you 90 degrees

8 0
2 years ago
Mark bought 12 boxes of paper clips and 10 packages of index cards for a
Nata [24]

Answer:

paper clips = $1.85

index cards = $3.95

Step-by-step explanation:

Mark

12 paper clips = x

10 index cards = y

$61.70 total

Janice

15 paper clips = x

7 index cards = y

$55.40 total

12x + 10y = 61.70

15x + 7y   = 55.40

*** you want to cancel out one of the letters

(12x + 10y = 61.70) * -7

(15x + 7y   = 55.40) * 10

-84x -70y = -431.9

150x + 70y = 554.0

150x + 70y = 554.0

-84x -70y = -431.9

66x + 0 = 122.1

66x = 122.1

x = 122.1 ÷ 66

x = 1.85

plug it back in

15(1.85) + 7y   = 55.40

27.75 + 7y   = 55.40

7y   = 55.40 - 27.75

7y = 27.65

y = 27.65 ÷ 7

y = 3.95

8 0
2 years ago
The president of the student council wants to survey the student population about parking. She decides to use a random number ta
Advocard [28]

Answer:

0759, 1019

Step-by-step explanation:

Edge 2020/2021

3 0
3 years ago
Read 2 more answers
Find m∠4 if m∠1 = 100°
11111nata11111 [884]

Answer:

obtuse angle

Step-by-step explanation:

7 0
3 years ago
V=πr^2h/3 solve for h
Aneli [31]

Answer:

h = 3V / πr^2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

6 0
3 years ago
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