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VARVARA [1.3K]
3 years ago
13

Evaluate 6 + 4/a + b/3 when a = 4 and b = 3.

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

The answer to your problem would be 8.

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If a cube with the length of the side of 4 cm is cut into smaller cubes with the length of the side of 1 cm, then what is the pe
ValentinkaMS [17]

Answer:

300 %

Step-by-step explanation:

Length of the larger cube =4 cm

So volume V=side^3=4^3=64cm^3

Length of the smaller cube = 1 cm

Volume of the smaller cube V=side^3=1^3=1cm^3

So total number of smaller cube =\frac{64}{1}=64

Surface area of the larger cube A=6\times side^2=6\times 4^2=144cm^2

Surface area of the 64 smaller cube A=64\times 6\times side^2=64\times 6\times 1^2=384cm^2

So percentage increase in surface area =\frac{384-96}{96}\times 100=300 %

6 0
3 years ago
Y−5x=3 solve for y please
Korvikt [17]

Answer: INDEiAaaaaaaaaaaaaaaa

4 0
2 years ago
Read 2 more answers
Find each measure <br><br> Please help me
Crazy boy [7]

Answer:

see explanation

Step-by-step explanation:

∠ YXW = ∠ ZXV ( vertically opposite angles ) , so

4a + 15 = 2a + 65 ( subtract 2a from both sides )

2a + 15 = 65 ( subtract 15 from both sides )

2a = 50 ( divide both sides by 2 )

a = 25

Then

(7)

∠ ZXV = 2a + 65 = 2(25) + 65 = 50 + 65 = 115°

(8)

∠ YXW = ∠ ZXV = 115°

∠ ZXY and ∠ ZXV are adjacent angles and sum to 180° , that is

(9)

∠ ZXY = 180° - 115° = 65°

(10)

∠ VXW = ∠ ZXY = 65° ( vertically opposite angles

8 0
3 years ago
The equation of a circle is x2 + (y-10)2=16. The radius of the circle is units. The center of the circle is at .
aliina [53]

Answers:

Center = (0, 10)

Radius = 4

========================================================

Work Shown:

Rewrite the equation into

(x - 0)^2 + (y - 10)^2 = 4^2

Then note how it is in the form

(x - h)^2 + (y - k)^2 = r^2

We see that the center is (h,k) = (0,10) and the radius is r = 4.

8 0
2 years ago
Laura is saving money to buy a bike. She has $52 and is going to save an additional $8 each week. The bike costs $164. In how ma
Montano1993 [528]
14 weeks
164-52=112
112/8=14
8 0
2 years ago
Read 2 more answers
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