3 years ago

Write a number with the digit 8 in the tens place

Mathematics

2 answers:

Anon25 [30]3 years ago

8 0

80 because tens place is two over from the right

RSB [31]3 years ago

4 0

683 it just says and 8 in the tens

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Triangle def is equilateral. If the perimeter of def is 36, the length of de is 5x-8, then what is the value of x

My name is Ann [436]

Answer:

Step-by-step explanation:

All the sides of an equilateral triangle are equal, hence the perimeter is expressed as P = 3s

s is one of the side length

Given DE = 5x - 8

P = 3DE

P = 3(5x-8)

36 = 3(5x-8)

36/3 = 5x-8

12 = 5x - 8

5x = 12+9

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x = 20/4

x = 4

Hence the value of x is 4

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2 years ago

Which equations does the number 7 make true? Select all that apply. 20/21 × _____ = 3/20 13/28 × _____ = 5/2 11/14 × _____ = 11/

xxTIMURxx [149]

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3 years ago

Williiam lost 25% of his marble,gave 1/6 of the remainder to his.Brother and had 120 marbles left.How many marbles did he have a

bija089 [108]

Answer:

Number of marbles with Williams at the starting = 192

Step-by-step explanation:

Let total number of marbles with Williams = m

He lost marbles = 25% of the total number

= $\frac{25}{100}\times m$

= $\frac{m}{4}$

Remaining marbles with Williams = m - $\frac{m}{4}$

= $\frac{3m}{4}$

He gave marbles to his brother = $\frac{1}{6}$ th of the remaining marbles

= $\frac{1}{6}\times \frac{3m}{4}$

= $\frac{m}{8}$

Remaining marbles after giving marbles to his brother = 120

Therefore, $\frac{3m}{4}-\frac{m}{8}=120$

$\frac{6m}{8}-\frac{m}{8}=120$

$\frac{5m}{8}=120$

m = $\frac{120\times 8}{5}$

m = 192

Number of marbles with Williams at the starting = 192

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2 years ago

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The correct answer would be B

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Answer:

25/5

Step-by-step explanation:

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