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ludmilkaskok [199]
3 years ago
11

Add 9 to b then add 7 to the result

Mathematics
2 answers:
Lady_Fox [76]3 years ago
4 0

Answer:

16

Step-by-step explanation:

steposvetlana [31]3 years ago
3 0

Answer:

(9+b)+7

Step-by-step explanation:

Putting parentheses separates the expression.

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Which is not a classification for AFGH?
lesya [120]

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A

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
The measure of one angle is twelve more than four times a number. The measure of a second angle is twice as large as the first,
Natali [406]

Answer:

60,120

Step-by-step explanation:

a = 4x + 12 \\ b = 2(4x + 12) \\( 4x + 12) + 2(4x + 12) = 180 \\ 4x + 12 = 180 \div 3 \\ 4x = 48 \\ x = 12 \\  \\ a = 60 \\ b = 120

5 0
2 years ago
Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour
frosja888 [35]

Answer:

£12 per hour

Step-by-step explanation:

7 × 5 = 35 hours

35 h : 420

1 h : x

x = 420×1 / 35

= £12 per hour

8 0
3 years ago
The sides of a quadrilateral are x,x+3,x+4,x+5. it’s perimeter is 52, find the lengths of the sides
wariber [46]

Answer: 10 , 13 , 14 , 15

Step-by-step explanation:

To find the perimeter of a quadrilateral , we will add all its side , that is

Perimeter = x + x + 3 + x + 4 + x + 5

That is

52 = x + x + 3 + x + 4 + x + 5

52 = 4x + 12

subtract 12 from both sides

40 = 4x

divide through by 4

x = 10

therefore , the lengths of the sides are

10 , 10+3 , 10 + 4 , 10 + 5 , that is

10 , 13 , 14 , 15

4 0
3 years ago
Which exponential equation is equivalent to this logarithmic equation log x5 + log x12 =7
trapecia [35]

Answer:

x⁷ = 60

Step-by-step explanation:

<u>Given</u><u> </u><u>:</u><u>-</u><u> </u>

  • log x⁵ + log x ¹² = 7 .

<u>To </u><u>Find</u><u> </u><u>:</u><u>-</u><u> </u>

  • The expotential equation .

<u>Solution</u><u> </u><u>:</u><u>-</u><u> </u>

Given logarithmic equation is ,

⇒ log x⁵ + log x ¹² = 7

⇒ log x ⁵ * ¹² = 7 [ log aⁿ + log aⁿ' = log aⁿ * ⁿ' ]

⇒log x ⁶⁰ = 7

In expotential form we can write it as ,

⇒ x⁷ = 60

5 0
3 years ago
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