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Vikentia [17]
3 years ago
12

Suffocating with homework, comment a star if you can assist with four algebra homework questions. Twenty points.

Mathematics
1 answer:
natita [175]3 years ago
8 0

What do you need help with?  Will do my best.

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Lest year Joe scored 80 point on his moth exam
mixer [17]

Answer:

20%

Step-by-step explanation:

decreased score= 80-64 = 16

x% of 80 = 16

x=20

5 0
3 years ago
Read 2 more answers
An area of 18 square feet that is 6 feet long and 3 feet wide. A rug covered 1/3 square foot tiles. How many tiles will the rug
Shkiper50 [21]

Answer:

The number of tiles the rug will cover is 54 tiles

Step-by-step explanation:

Here we have,

Total area covered by the rug = 18 ft²

Size of one tile = 1/3 ft²

Therefore the number of tiles that can fit into the the area is given by;

Total area of the rug ÷ Area of one tile

= 18 ft² ÷ 1/3 ft²

Here we note that we are dividing a number by a fraction which is the same as multiplying the number by the inverse of the fraction as follows

= 18 × 3/1 ft²/ft² = 54 tiles

The number of tiles the rug will cover = 54 tiles.

5 0
2 years ago
Read 2 more answers
If f(x) = 2x^2 + 1 and g(x) = x^2 - 7, find (f+g)(x)
jarptica [38.1K]
(f + g)(x) means f(x) + g(x)

So, you just input the function of f(x) and g(x) altogether, then simplify it.
(f + g)(x) 
= f(x) + g(x)
= 2x² + 1 + x² - 7
= 2x² + x² + 1 - 7
= 3x² - 6

The answer is b
5 0
3 years ago
An online store sells flower arrangements for birthdays and other special events. In a review of their production costs, the
denis23 [38]

Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

Step-by-step explanation:

Confidence interval for mean: Mean ± Margin of error

Given: The  online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5  dollars.

A confidence interval for the mean cost (in dollars) for one shipment of vases

=(54-5, 54+5)\\\\=(49,59)

Hence,  a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

8 0
3 years ago
If you added 2 circles to the left side, how many squares would you have to add to the right side to keep it balanced?
Firdavs [7]

Answer: 2 circle to the right

Step-by-step explanation:

You would need to add 2 circles to keep it balanced.

4 0
2 years ago
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