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Leno4ka [110]
3 years ago
9

Can someone please help me with these 4 algebra questions? Image attached.

Mathematics
1 answer:
Ainat [17]3 years ago
7 0

Answer:

What question do you need help on?

Step-by-step explanation:

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Rewrite with positive exponents a^-3 b^-5
amm1812

Answer:

1/a^3 and 1/b^5

6 0
3 years ago
A cake shop bakes a variety of brownies. the top-selling brownies are ones with toppings of chocolate chip, walnuts, or both. a
sesenic [268]

The probability that they will pick neither the chocolate chip nor the walnut toppings is 0.3

We have

the total of all probabilities is 1.00, or 100%.

In the Venn diagram, we have the probabilities 0.2, 0.4 and 0.1; these sum to

0.2+0.4+0.1 = 0.6+0.1 = 0.7.

This leaves us 1.00-0.7 = 0.3 for the remaining probability of no toppings.

Learn more about Probability:

brainly.com/question/13604758

#SPJ4

6 0
2 years ago
the height of burj Dubai, the tallest building in the world (2013), has a total of 162 stories. if the building is 828 meters ta
timama [110]
Divide: 828÷162
Equals about 5 meters per story
3 0
3 years ago
Read 2 more answers
Mr. De Vera bought half a dozen eggs for Php 31.50. How much<br>did each egg cost?​
steposvetlana [31]

Answer:

$5.25

Step-by-step explanation:

a half dozen is 6

31.50 ÷ 6 = 5.25 per egg.

those are some expensive eggs!!

7 0
3 years ago
Rewrite in simplest terms: -8(7y-8)-3(7y-7)−8(7y−8)−3(7y−7)
anzhelika [568]

Answer:

-8(7y-8)-3(7y-7)−8(7y−8)−3(7y−7)

Distribute to remove the parentheses.

Collect like terms

-154y+170

Step-by-step explanation:

7 0
3 years ago
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