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goblinko [34]
3 years ago
9

2+10-4-8+1= This is for Mark

Mathematics
2 answers:
Lelu [443]3 years ago
6 0

Answer:

1

hehe

Step-by-step explanation:

Advocard [28]3 years ago
6 0

Answer:

1

Step-by-step explanation:

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Two classrooms are sharing seven packages of unit cubes if the packages are split evenly how many packages with each classroom r
vladimir1956 [14]
We have two classrooms and seven packages.

This means we need to divide the seven packages in half (two pieces).

7packages ÷ 2 classrooms = 7/2 = 3.5 packages per class
(three and a half packages)
8 0
3 years ago
♦️ANSWER NEEDED QUICK, SHOW YOUR WORK♦️
Crank

Answer:

1 and 1/3 yard

Step-by-step explanation:

200 divided by 150 is equal to 4 divided by 3

using a fraction calculator i did

4       3            1

-    /   -     =   1  -

1       1              3

5 0
3 years ago
Read 2 more answers
In a given course a student receives preliminary examination grades of 81, 85, and 95. The final examination is weighed for one-
Vsevolod [243]

Answer:

B. 96

Step-by-step explanation:

Let x represent score of final third exam.

We have been given that in a given course a student receives preliminary examination grades of 81, 85, and 95.

Let us find average of preliminary scores.

\frac{81+85+95}{3}=\frac{261}{3}=87

We have been given that the final examination is weighed for one-third and the average of the preliminary grades is weighed as 2/3 of the final grade. This means that final grade is equally weighed into 3 parts. The two parts are 87 each and third part is x.

Using our given information, we can set an equation as:

\frac{87+87+x}{3}=90

\frac{174+x}{3}=90

\frac{174+x}{3}*3=90*3

174+x=270

174-174+x=270-174

x=96

Therefore, the final examination grade should be 96 for a semester average of 90.

4 0
3 years ago
Bonjour j’ai un exercice de maths et je ne comprends rien
Minchanka [31]
Donc pour trouver la réduction de 30% nous allons trouver 30% de 49 alors nous allons faire 30 × 100 × 49 = 14,7 14,7 est la réduction maintenant nous devons faire 49 € -14,7 € soit 34,3 €, le prix est maintenant de 34,3 €, désolé d'utiliser Google Translate pour vous aider, mais j'espère que c'est correct :)
4 0
3 years ago
Simplify the expression: (4 + 3i)(2 – 8i).<br> 32 - 26<br> -16 + 26<br> 32 + 381<br> -16 + 38
alex41 [277]

Answer:

32-26i

Step-by-step explanation:

(4+3i)(2-8i)

8+6i-32i-24i^2

8-26i-24(-1)

8-26i+24

-26i+32

Remember that i^2=-1.

4 0
4 years ago
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