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Katarina [22]
3 years ago
14

Create height question about Grade 7

Mathematics
1 answer:
frez [133]3 years ago
4 0

Answer:

wdym like create a question about height that includes 'Grade 7' in it?

Step-by-step explanation:

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If a = 2, b = 4 and c = 5, then what is the value of this expression? 5a + 3c - 2b
skad [1K]
Its quite simple. All you have to due is substitute the numbers they gave you for each letter. So.... it would look like this > 5(2) + 3(5) - 2(4) = ? Now all you have to do is solve it! Hope this helps :)
8 0
3 years ago
Dany scored 93 in physics, 88 in mathematics, and a score in chemistry that is double his score in geography. The average score
Leno4ka [110]

Answer:

90

Step-by-step explanation:

Let x be Dany's score in geography. His score in chemistry is double his score in geography and it is equal to

2 x

The average of all four scores is 79. Hence

(93 + 88 + x + 2 x) / 4 = 79

Multiply both sides of the equation by 4

4×(93 + 88 + x + 2 x) / 4 = 4×79

Simplify

93 + 88 + x + 2 x = 316

Group like terms

3 x + 181 = 316

Solve for x

3 x = 135

3 x / 3 = 135 / 3

x = 45

score in geography = x = 45

score in chemistry = 2 x = 2 × 45 = 90

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

6 0
2 years ago
Read 2 more answers
PLEASE HELP!! Will Mark brainliest!!
jeka57 [31]

Answer:

13 level

Step-by-step explanation:

143/55 = 2.6

5 x 2.6 = 13

8 0
3 years ago
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Please help me! I will mark brainliest!
Elenna [48]

Answer:

Your picture didn't load?

Step-by-step explanation:

3 0
3 years ago
In parallelogram ABCD below, AC is a diagonal, the
Vinil7 [7]

Step-by-step explanation:

  • ABCD parallellogram
  • m< B = m< D = 40
  • in triangle ACD :

m < CAD = 180 - ( 40 + 57 ) = 83

7 0
2 years ago
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