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leonid [27]
3 years ago
11

Helppppppp pleaseeee​

Mathematics
1 answer:
Alenkinab [10]3 years ago
5 0

Answer:

A

Step-by-step explanation:

2.5 x 3.4 = 8.5

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A fish tank at an aquarium has a volume of​ 1,568 cubic feet and a depth of 8 feet. If the base of the tank is​ square, what is
Katena32 [7]

Answer:

14

Step-by-step explanation:

So, if x is length, then x*x*8 is 1568. To solve, you do 1568/8, which gives you 196. The square root of 196 is 14, and 14*14*8 is 1568.  

6 0
3 years ago
Lucia has 10 dimes and nickels worth a total of $0.60. Use the graph to find the number of dimes and nickels that Lucia has.
Reil [10]
The system has one solution, so it is consistent independent. The graphs intersect at the point (2, 8), which can be checked algebraically. Complete a table of values for each line.

The point (2, 8) is the solution to the system of equations. Since (2, 8) is the solution to the system of equations, Lucia has 2 dimes and 8 nickels. 

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5 0
3 years ago
(x - 2)2 + (y + 4)2 = 49
frez [133]

Answer:

2(x+y+2)=49

Step-by-step explanation:

5 0
3 years ago
Before polishing, a steel plate was 2.342 inches thick. After polishing, it was 2.087 inches thick. How much was removed in poli
myrzilka [38]

Thickness of the plate before polishing = 2.342
Thickness of the plate after polishing. = 2.087
How much was removed = 2.342- 2.087 = 0.255
Hence , the answer 0.255 which is option B

5 0
3 years ago
Read 2 more answers
The diagonal of a rectangle is of length a. It splits each corner forming two angles with a ratio of 1:2. The area of the rectan
HACTEHA [7]

Answer:

Step-by-step explanation:

Given

Length of diagonal is a

Diagonal divides the angle in 1:2

such that \theta +2\theta =90 (because angle between two sides is 90)

3\theta =90

\theta =30^{\circ}

width of rectangle is b=a\sin \theta =\frac{a}{2}

Length of rectangle is L=a\cos 30=\frac{\sqrt{3}}{2}a

Area of rectangle A=L\cdot b

A=\frac{\sqrt{3}}{2}a\times \frac{a}{2}

A=\frac{\sqrt{3}}{4}a^2

5 0
3 years ago
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