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Andreyy89
3 years ago
15

A combination of which different minerals forms what object?

Mathematics
1 answer:
Mashutka [201]3 years ago
4 0

Answer:

oxide, sulfide, sulfate, and carbonate groups.

Step-by-step explanation:

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Carly mowed 2 more lawns than Rocco each week for 6 weeks. Carley mowed a total of 18 lawns. How many lawns did Rocco mow each w
Reptile [31]
Rocco mowed 1 lawn a week.

You wanna divide Carley’s total mowed lawns by the amount of weeks she mowed for.
18/6 = 3
Carley mowed 3 lawns a week.
We’ll take away two from that because she mowed two more that Rocco each week, resulting in Rocco mowing one lawn a week.
Hope this helps!! :))
8 0
3 years ago
Start with 50.Add 1 ten.then subtract 2tens.draw to show your work.what is the new number?
muminat

Following your directions...

50+1(10)-2(10)= 50+10-20=60-20=40

answer: 40

7 0
3 years ago
Read 2 more answers
Simplified version of -12x + 3y = -3?
damaskus [11]
20 I think!


Look it up just to be sure
4 0
3 years ago
Read 2 more answers
In the diagram below, AB = BD = BC, and mZA = 24°. Find<br> mZC.
snow_tiger [21]

Answer:

m∠C = 66°

Step-by-step explanation:

Since AB = BD, it means this triangle is an Isosceles triangle and as such;

∠BAD = ∠BDA = 24°

Thus, since sum of angles in a triangle is 180,then;

∠ABD = 180 - (24 + 24)

∠ABD = 180 - 48

∠ABD = 132°

We are told that BC = BD.

Thus, ∆BDC is an Isosceles triangle whereby ∠BCD = ∠BDC

Now, in triangles, we know that an exterior angle is equal to the sum of two opposite interior angles.

Thus;

132 = ∠BCD + ∠BDC

Since ∠BCD = ∠BDC, then

∠BCD = ∠BDC = 132/2

∠BCD = ∠BDC = 66°

3 0
3 years ago
Prakash bought a new car at the dealership for $27,000. it is estimated that the value of the car will decrease 7% each year. wh
Dennis_Churaev [7]

The exponential function models the value v of the car after t years is V = 27000 * (0.93)^t

<h3>How to determine the exponential model?</h3>

The given parameters are:

Initial value, a = $27,000

Depreciation rate, r = 7%

The value of the car is then calculated as:

V = a * (1 -r)^t

Substitute known values

V = 27000 * (1 - 7%)^t

Evaluate the difference

V = 27000 * (0.93)^t

Hence, the exponential function models the value v of the car after t years is V = 27000 * (0.93)^t

Read more about exponential function at:

brainly.com/question/11464095

#SPJ1

6 0
2 years ago
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