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qwelly [4]
3 years ago
5

What does W equal? w ÷ 9 = 9

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
8 0

Answer:

81

Step-by-step explanation:

w/9=9

w=9*9

w=81

finlep [7]3 years ago
4 0

Answer:

w = 81

Step-by-step explanation:

To get w, you have to do inverse operations. Because w is being divided, we need to multiply to isolate w because multiplication is the opposite of division.

w/9 = 9

(9) (w/9) = (9) (9)

w = 81

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lapo4ka [179]
You can do math in sports to calculate angles and other stuff
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3 years ago
what is the surface area of a triangular pyramid if the base is 12 by 12 and each triangle is 12 by 15?
8_murik_8 [283]

Answer:

504 cm squared

Step-by-step explanation:

To find the surface area, find the area of the square base and add it to the area of each triangle face.

Find the area of the base by multiplying base length by base length.

Here the base is 12 x 12 = 144.

Find the area of each triangle face by multiplying 1/2 * b*h.

Here the area is 1/2 * 12 * 15 = 90. Since there are 4 faces, the total area is 4 * 90 = 360.

Together the surface area is 360 + 144 = 504.

6 0
3 years ago
How much longer is the big arc than the small arc. Give the answer to 1 decimal place
romanna [79]
Circumference of the outer circle = 2πr = 2π(6) = 12π

circumference of the outer arc = 120/360 x 12π = 12.57cm

circumference of the inner circle = 2πr = 2π(5) = 10π

circumference of the inner arc = 120/360 x 10π = 10.47 cm

Difference in length = 12.57 - 10.47 = 2.1cm (1 d.p.)

Answer: 2.1cm

6 0
3 years ago
You deposit $8500 in an account that pays 1.78% annual interest. Find the balance after 10 years when the interest is compounded
Feliz [49]

Step-by-step explanation:

step 1. let's call the balance A, the initial amount P, the yearly rate r, the number of compounds yearly n, and the time t.

step 2. A = P(1 + r/n)^(nt) (compounding equation)

step 3. A = 8500(1 + .0178/12)^((12)(10))

step 4. A = 8500(1.00148334)^120

step 5. A = $10,154.68.

8 0
3 years ago
Read 2 more answers
Simplify the expression (0.4)^3.<br> A. 0.64<br> B. 1.2<br> C. 12<br> D. 0.064
IrinaK [193]

Answer:

Step-by-step explanation:

(0.4)^3= (0.4)(0.4)(0.4)= (0.16)(0.4)= 0.064

the answer is D

3 0
3 years ago
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