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Reptile [31]
3 years ago
6

How do you solve d+12=2 using mental math

Mathematics
1 answer:
n200080 [17]3 years ago
5 0
By minusing 12 to both sides
d+12=2
   -12=-12
d      =-10
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.02, 0.2, ___, 20, ___, __<br> What's the pattern?
Bingel [31]
You are multiplying by 10 each time so it is:
.02, 0.2, 2, 20, 200, 2000
7 0
3 years ago
Hi! can someone please help? i added a pic so that u can see what i need help on. hopefully it helps
almond37 [142]

Answer:

I'm pretty sure that the answers would go, Wrong, increased, 9 1/2 points, 6 5/8 points, dropped, 12 3/4 points.

Step-by-step explanation:

The reason why it would be wrong is because the amount of points lost was less than the total amount of points gained.

In week one and two the company gained 9 1/2 points and 6 5/8 points. When you add them together, you get 16 1/8 points.

In week three the company lost 12 3/4 points. If you multiply the fraction to change the denominator to 8, the mixed fraction becomes 12 6/8.

16 1/8 - 12 6/8 = 3 3/8

As you can see, there are still points left over.

In the fourth week, they ended up losing all of their points and then some more, but from my understanding it's just asking about the third week.

Hope that this helps!

4 0
3 years ago
−7m+4&lt;−45 <br><br> its an one-step problem help me please
aleksandr82 [10.1K]

Answer:

x > 7

Step-by-step explanation:

- 7m + 4 < - 45 ( subtract 4 from both sides )

- 7m < - 49

Divide both sides by - 7 , reversing the symbol as a result of dividing by a negative quantity.

m > 7

7 0
2 years ago
Read 2 more answers
Subtract the following polynomials
Olegator [25]

Answer:

1.  (q² + 8) - (4q² + 1)

Simplify each term.

q²+8−4q²−1

Simplify by adding terms.

−3q²+7

2. (3x + 7x² - 6) - (5x² + x + 9)​

Simplify each term.

3x+7x²−6−5x²−x−9

Simplify by adding terms.

Tap for more steps...

2x²+2x−15

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Need asap please!!!!
kirill [66]

Answer:

use ur brain

Step-by-step explanation:

ask ur teacher if the be bad teacher google it

7 0
3 years ago
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