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Agata [3.3K]
3 years ago
13

4) Mr. Conner is starting a marching band at his school. Mr. Conner has 210 students who are interested in

Mathematics
1 answer:
zhenek [66]3 years ago
6 0

Answer:168

Step-by-step explanation:80% × 210= 0.80× 210 = 168

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10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?
PSYCHO15rus [73]

Answer:

y = 40 is the answer

Step-by-step explanation:

Let the number be y

10 more than 2 times a number = 10 + 2×y

equal to 2 times the number plus 50. = 2 × y + 50

10 + 2y = 2y + 50

combine the like terms

2y - 2y =50 - 10

0 = 40

the number supposes be 40 but the number is represented by 0

i think some thing is missing in your question

y supposes be 40 not 0 = 40

Hope this helps!

3 0
3 years ago
PLEASE LED ME THE ANSWER<br> ILL GIVE YOU 20 POINTS
krok68 [10]

Answer:

DEC+DEF=180

DEC=180-116

DEC=64°

in triangle DCE

angle D+angle C+angle E=180

7y+6+4y+64=180

11y+70=180

11y=180-70

11y=110

y=110/11

y=10°

angle C=4y

=4(10)

=40°

3 0
2 years ago
If the sin 90º = 1, then which statement is true? ​
rosijanka [135]

Answer:

If  what the sin 90º

Step-by-step explanation:

3 0
2 years ago
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The total cost of a sweater and a jacket was $71.55. If the price of the sweater was $3.19
Andrej [43]

Answer:

The cost of the sweater is $37.37

Step-by-step explanation:

71.55-3.19=68.36

68.36 ÷ 2=34.18

34.18+3.19=37.37

6 0
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