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dimaraw [331]
2 years ago
8

Rewrite this equation so that it demonstrates the division property of equality: 12m=42

Mathematics
2 answers:
elixir [45]2 years ago
8 0
Answer:
12m ÷ 12 = 42 ÷ 12
alexandr402 [8]2 years ago
8 0

Answer:

m=30

Step-by-step explanation:

subtract or divide 12 from 12 and 42, then you're left with m and 32. m=32

12m=42

-12. -12.

m. 30

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write the equation of the ellipse using the given information: the ellipse has foci (0,3) and (0,-3) and major vertices (0,5) an
svetlana [45]

Answer: (x^2)/16 + (y^2)/25 = 1

Step-by-step explanation:

According to the problem we can figure out that the center of the ellipse is (0,0).

Since the foci is (0,3) and (0,-3) we know that the value of c is 3. The major vertices are (0,5) and (0,-5) so the value of a is 5.

If we put this into the equation a^2=b^2 + c^2, we get 25=9+ b^2

We get b^2 is 16

Now since we know that the ellipse is vertical because the x value didn’t change, we know that the b^2 value comes first in the equation. Then the a^2 value which is 25.

5 0
2 years ago
Find the equation of the line.<br> Use exact numbers.
Virty [35]

Answer: https://api-project-1022638073839.appspot.com/questions/how-do-you-use-the-sum-or-difference-identity-to-find-the-exact-value-of-sin-255#582997

Step-by-step explanation:

this will help you.

4 0
3 years ago
Suppose the movie theater you work at sells popcorn I'm three different sizes. A small cost $2, a medium cost $5, and a large co
VMariaS [17]

Let, number of small, medium and large popcorn sold are s, m and l respectively.

So, s + m + l = 250    ....1)

Also, l = 2s     ....2)

Total sum = $1726 = 2s + 5m + 10l     .....3)

Putting value of l from 2) to 1) is :

s + m + 2s = 250

m + 3s = 250    

m = 250 - 3s      ....4)

Putting value of m and l in terms of s in equation 3)

We get :

2s + 5( 250 - 3s ) + 20s = 1726

7s = 1726 - 1250

s = 68

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Now,

P_s=68\times 2 = \$136\\\\P_m = 46\times 5 = \$230\\\\P_l = 136\times 10 = \$1360

Hence, this is the required solution.

8 0
3 years ago
The area of the shaded region of circle O is 9π m2
blsea [12.9K]
For full circle area is π * R² [here R = radius],
for a sector of circle with angle β, area will be = (β/2) * R², β is in radian,
here let β = 22.5° = (π * 22.5/180) = π/8 radian,
now [(π/8)/2] * R² = 9π, [π/16] * R² = 9π
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5 0
3 years ago
−n/3 = 4 what does n equal
prisoha [69]
-n/3=4
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n=-12
7 0
2 years ago
Read 2 more answers
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