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lara31 [8.8K]
3 years ago
13

First answer gets best marks ​

Mathematics
1 answer:
Mila [183]3 years ago
7 0

Answer:

A, B, E

Step-by-step explanation:

I attached everything that I thought it would help you.

Hope this helps ;) ❤❤❤

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Pls answer quick it's gr 9 academic math lol
SVETLANKA909090 [29]

Answer:

1. (3^3 + 3^2)^2 actually equals (27 + 9)^2

which is the first mistake

2. (27 + 9)^2 does not equal (3^5)2, so (36)^2 does not equal 3^7

3. 3^7 DOES NOT EQUAL 21

Step-by-step explanation:

when you add powered numbers together, it does not multiply it, as your example:

1. (3^3 + 3^2)^2 actually equals (27 + 9)^2

which is the first mistake

2. (27 + 9)^2 does not equal (3^5)2, so (36)^2 does not equal 3^7

3. 3^7 DOES NOT EQUAL 21

4 0
3 years ago
Read 2 more answers
The _______________ of 25 equals 5. *
Fittoniya [83]
Square root.

5^2 = 25 so sqrt25 = 5
8 0
2 years ago
Read 2 more answers
Donna Preski works 8 hours a day, 5 days a week. So far this year she
CaHeK987 [17]

Answer:

She worked 17 weeks

Step-by-step explanation:

5 days = 1 week

8 hours = 1 day

8 x 5 = 40 hours per week

680 hours ÷ 40 hours per week = 17 weeks

5 0
2 years ago
1+7 ehhehe ndneje behe
posledela

Answer:

lol 1+7 is 8

Step-by-step explanation:

8 0
2 years ago
Sara's having a barbecue and she cooks burgers. She buys a 6 pack of breadrolls and a 10 pack of burger meat. How can sara get t
choli [55]

Answer:

Buying 5 packs of bread rolls and 3 packs of burger meat

Step-by-step explanation:

Sara needs to find the least common multiple between 6 bread rolls and 10  pieces of burger meat:

LCM:\\10\ 6\ |2\\5\ \ 3\ |3\\5\ \ 1\ |5\\1\ \ 1\ |1\\\\LCM = 2*3*5=30

Sara will get the same amount of burger to bread rolls when she buys 30 units of each. The numbers of packs of each product that she must buy are:

B=\frac{30}{6}=5\ packs\\ M=\frac{30}{10}=3\ packs

Sara should buy 5 packs of bread rolls and 3 packs of burger meat.

3 0
3 years ago
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