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klio [65]
3 years ago
15

Find the area of the Trapezium

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

21 cm2

Step-by-step explanation:

Area = (0.5 * 4 * 3) + (5 * 3) = 21 cubed cm

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Gordon types 1,972 words in 29 minutes<br> Gordon types _______ words per minute<br> PLSSS HELPP ME
Xelga [282]

Answer:

68 words

Step-by-step explanation:

To find how many words Gordon types per minute :

1972 ÷ 29 = 68 #

8 0
3 years ago
a positive number is 7 times another number if 3 is added to both the numbers then one of the new number becomes 5 by 2 times th
Neko [114]

Answer:

7 and 1

Step-by-step explanation:

Let the numbers be a and b.

<u>A positive number is 7 times another number:</u>

  • a = 7b

<u>If 3 is added to both the numbers then one of the new number becomes 5 by 2 times the other new number:</u>

  • a+3 = 5/2 × (b +3)

<u>To solve this we substitute </u><u>a</u><u> with </u><u>7b</u><u> in the second equation:</u>

  • 7b + 3 = 5/2 × (b +3)               ⇒ multiplying both sides by 2
  • 14b + 6 = 5b + 15                    ⇒ collecting like terms
  • 14b - 5b = 15 - 6
  • 9b = 9
  • b = 1                                        ⇒ solved for b

<u>Then, finding a:</u>

  • a= 7b
  • a=7*1
  • a= 7                                        ⇒ solved for a

<u>So the numbers are</u> 7 and 1

3 0
3 years ago
De cuántas formas pueden mezclarse los siete colores del arco iris tomándolos de tres en tres?
Tanzania [10]

Answer:

hi

Step-by-step explanation:

1+1=2

5 0
2 years ago
What is the sum of all integers x that satisfy 1 &lt; (pi -1 )x &lt; 10?
DedPeter [7]

Answer:

10

Step-by-step explanation:

pi is 3.14...

pi - 1 is 2.14...

question becomes 1<2.14x and 2.14x < 10

1/2.14 < x, 0.46... < x

x < 10/2.14, x < 4.67...

combining

0.46< x < 4.67

x can be 1, 2, 3, 4

3 0
3 years ago
Read 2 more answers
Please answer this :))))
Anton [14]

Answer:

Answer is E hope this helps :)

Step-by-step explanation:

8 0
2 years ago
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