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soldi70 [24.7K]
3 years ago
8

HELP I DO GIVE BRAINLIEST IF U RIGHT

Mathematics
1 answer:
Irina18 [472]3 years ago
8 0

Answer:

49

Step-by-step explanation:

3 times 3 times 3 times 3=81

2 times 2 times 2 times 2 times 2=32

81-32=49

Hope this helps

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There is a sales tax of $5 on an item that costs $63 before tax. A second item costs $50.40 before tax. What is the sales tax on
Lady_Fox [76]
Its 4 dollars because if you 63÷5=12.6 12.6×4=50.4
7 0
3 years ago
BEST ANSWER GETS BRAINLIEST<br> What is 14b + 6b - 12
Andrews [41]
14b + 6b - 12

(14b + 6b) - 12     collect like terms

20b - 12    << your answer

hope this helps, God bless!
3 0
3 years ago
Multiple choice please answer please
juin [17]

Answer:

D

Step-by-step explanation:

Using the sine ratio in the right triangle

sin B = \frac{opposite}{hypotenuse} = \frac{AC}{AB} = \frac{2}{9} , thus

B = sin^{-1} (\frac{2}{9} ) ≈ 12.84° → D

4 0
2 years ago
Hans is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is feet and its width is feet
Tomtit [17]

Answer:

number of cans Raina will be needed in court floor is 14 cans

Step-by-step explanation:

CHECK THE COMPLETE QUESTION BELOW;

Raina is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 46 feet and its width is 35 feet. Suppose each can of wood stain covers 115 square feet. How many cans will she need to cover the court?

CALCULATION;

Given:

length of the rectangular shape =46 feet

width of the the rectangular shape = 35 feet.

The floor of the court room is having a rectangular shape, then we need to calculate the surface Area of the rectangular shape first in order to know the number of cans that Raina will be needed

Surface Area= Length × Width

= 46feet × 35 feet

=1610 square ft

Then to get the number of cans , we need to divide the surface Area by each can of wood stain covers which is 115 square feet,

number of cans Raina will be needed in court = 1610 square ft / 115 square ft = 14

number of cans Raina will be needed in court floor is 14cans

7 0
3 years ago
There are 416 students who are enrolled in an introductory geology course. if there are seven boys to every six girls, how many
Alenkinab [10]

\text{Let the number of boys be x and number of girls be y.}\\&#10;\\&#10;\text{and there are total 416 students enrolled in the course. so we have}\\&#10;\\&#10;x+y=416 \ \ \ \ \ \ \ \ \ \ ......(i)\\&#10;\\&#10;\text{also given that there are seven boys to every six girls, that is}\\&#10;\\&#10;\frac{x}{y}=\frac{7}{6}

\Rightarrow 6x=7y\\&#10;\\&#10;\Rightarrow y=\frac{6x}{7}\\&#10;\\&#10;\text{substitute this value of y in (i), we get}\\&#10;\\&#10;x+\frac{6x}{7}=416\\&#10;\\&#10;\Rightarrow \frac{7x+6x}{7}=416\\&#10;\\&#10;\Rightarrow \frac{13x}{7}=416\\&#10;\\&#10;\Rightarrow x=\frac{416\times 7}{13}\\&#10;\\&#10;\Rightarrow x=224

Hence the number of boys in the course are: 224

4 0
3 years ago
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