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Scorpion4ik [409]
3 years ago
5

Pls help i really really need it, the question is on the picture

Mathematics
1 answer:
Leokris [45]3 years ago
3 0

Answer:

12/5

Step-by-step explanation:

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The cost of 6one by two metere
Alik [6]

Answer:

Rs 17 3/4

Step-by-step explanation:

Cost of 6 1/2 m = 115 3/8

Cost of 1 m = x

  • x = 115 3/8 ÷ 6 1/2
  • x = (115*8 +3)/8 ÷ 13/2
  • x = 923/8 × 2/13
  • x = 923/(4*13)
  • x = 923/52
  • x = 17 39/52
  • x = 17 3/4

Cost of 1 meter is Rs 17 3/4

5 0
3 years ago
Someone please help me with this one quick
astraxan [27]

The length of AC is 16 km.

Solution:

Given data:

AB = c = 14 km, ∠A = 30° and ∠B = 89°

AC = b = ?

<u>Let us first find angle C:</u>

<em>Sum of all angles in a triangle = 180°</em>

m∠A+ m∠B + m∠C = 180°

30° + 89° + m∠C = 180°

119° + m∠C = 180°

Subtract 119° from both sides, we get

m∠C = 61°

<u>To find the length of AC:</u>

<em>Using sine formula:</em>

$\frac{b}{\sin B } =\frac{c}{\sin C}

Substitute the given values in the formula.

$\frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ }

Multiply by sin 89° on both sides.

$\sin 89^\circ \times \frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ } \times \sin 89^\circ

$b=\frac{14}{0.8746 } \times0.9998

b=16

The length of AC is 16 km.

4 0
3 years ago
6. Anna can walk 10 miles in 4 hours. At this rate, how many minutes does it take her to walk one mile?
Slav-nsk [51]

Answer:

150 minutes

Step-by-step explanation:

10/4 divided by 4/4 is 2.5/4

2.5 hours = 150 minutes

8 0
3 years ago
Read 2 more answers
How does the value of log 100 compare with the value of log 20?
Volgvan

Answer:

Option 3

Step-by-step explanation:

5 0
3 years ago
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Please help. Given formula, just plug it in to find answer.
ahrayia [7]

Step-by-step explanation:

x = 2.5

(2.5 × 0.25 ) + 2= 0.625 +2

= 2.625

3 0
2 years ago
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