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Pavlova-9 [17]
2 years ago
13

The cost of 3 diaries is £12

Mathematics
2 answers:
vitfil [10]2 years ago
7 0

Answer: 28

the cost of 7 diaries is 28

Step-by-step explanation:

First you have to find out the cost of one diary by dividing 12 by 3, that will give us 4, and then the last step is multiplying 4 by 7.

Vaselesa [24]2 years ago
5 0

Answer:

7 diaries cost £28

Step-by-step explanation:

12/3=4 7x4=28

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Marizza181 [45]
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4 0
3 years ago
What is the value of x? <br><br>Enter your answer in the box.
scoray [572]

Answer:

x=11

Step-by-step explanation:

Since the lines in the middle are parallel, we know that both sides are proportional to each other.

6:48 can be simplified to 1:8

Since we know the left side ratio is 1:8, we need to match the right side with the same ratio

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Now we can set up the equation: 40=3x+7

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5 0
3 years ago
See picture for question and details.
Elis [28]

Answer: 2,000 square feet

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8 0
3 years ago
Tell me which statements belong in "agree" and disagree".
Delvig [45]

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Rig

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4 0
2 years ago
2.
Gekata [30.6K]

Answer:

A. A(n) = 150 • (0.74)^n–1 ; 33.29 cm

Step-by-step explanation:

This is a geometric sequence.

a%5B1%5D=1.5m=150cm, r=0.74

The formula is

a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29

Just substitute a1 = 150cm and r = 0.74

a%5Bn%5D=150%280.74%29%5E%28n-1%29

That's the rule.

For the second part, substitute n = 6

cm.

7 0
2 years ago
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