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NNADVOKAT [17]
2 years ago
12

What does x equal? can i please have help quick!!!

Mathematics
2 answers:
Leto [7]2 years ago
6 0

Answer:

30

Step-by-step explanation:

2x + x =90

3x=90

x=90/3

x is 30

Serjik [45]2 years ago
4 0

Answer:

total \: angle \: on \: a \: line \:  = 180 \\ x + 2x + 90 = 180 \\ 3x + 90 = 180 \\ 3x = 90 \\ x = 90 \div 3 = 30 \\ thank \: you

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25 POINTS! Answer needed ASAP! You WILL be named Brainiest!
bija089 [108]

Answer:

We need to send more than 400 messages for Plan B to be the better option.

Step-by-step explanation:

Plan A

The cost is a flat fee of 30 plus 10 cents per message

Cost= 30 +.10m

Plan B

The cost is a flat fee of 50 plus 5 cents per message

Cost = 50 +.05m

We want cost of B to be less than cost A

30 +.10m > 50 +.05m

Subtract .05m from each side

30 +.10m- .05m > 50 +.05m-.05m

30 +.05m > 50

Subtract 30 from each side

30-30 +.05m > 50-30

.05m > 20

Divide each side by .05

.05/.05m > 20/.05

m > 400

We need to send more than 400 messages for Plan B to be the better option.

4 0
3 years ago
What is the range of the data represented by the box plot? A. range = 2 B. range = 4 C. range = 10 D. range = 12
Natalija [7]

Answer:

The range is 12 answer (D)

Step-by-step explanation:

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∵ The largest value is 17

∵ The smallest value is 5

∴ The range = 17 - 5 = 12

4 0
3 years ago
Read 2 more answers
John withdraws $40.00 from her savings account each month. What integer represents the net effect on her balance after 5 months?
lina2011 [118]

Answer:

The net effect of amount in John account after 5 months is  $A - $200

Step-by-step explanation:

Given as :

The amount of money withdraws by John each month from his account = $40

Let The total amount of  money did John had in his account = $A

Let the amount left in John account after 5 months of withdraw = $x

<u>So, According to question</u>

∵ Each month the money withdraw from account = $40

∴ In 5 months , the money withdraw = $40 × 5

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I.e x = $A - $200

So, The balance in account after 5 months = x =  $A - $200

Hence, The net effect of amount in John account after 5 months is             $A - $200  Answer

6 0
3 years ago
Will mark brainliest
Anastasy [175]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
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84 students are in the school choir. The ratio of girls to boys is 3:4. How many members are girls?
Paul [167]
3 + 4 = 7
84 ÷ 7 = 12 = 1 (in terms of the ratio)
12 × 3 = 36, which is the answer
Hope this helps :)
7 0
3 years ago
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