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asambeis [7]
3 years ago
12

5 - 2 (a + 3b) / 2 = ? / ?

Mathematics
1 answer:
Semmy [17]3 years ago
4 0

Answer:

(5-2a+6b)/2

Step-by-step explanation:

According to PEMDAS, we would multiply 2 by (a+3b) first. This would equal 2a+6b. Since this is being subtracted from 5, the numerator would equal 5-2a+6b. This would bring the simplified answer to (5-2a+6b)/2

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Evaluate cos-1(0.4283). Round to 1 decimal place.
attashe74 [19]

Answer

0.4283

Step-by-step explanation:

Multiply

0.4283

by

1

.

6 0
2 years ago
I'm struggling with this question i need help. please and thank you
soldi70 [24.7K]
The answer is 100X because if you do 5x-4x first it will be 1x. Later on, if you do the exponent you have 1x times 1x. Then you do 1x+9x = 10x

Then you do 10x times 10x because of the exponent is telling you how times you do it and it equals to 100x.

Answer= 100x



I hope this helps YOU!   

7 0
3 years ago
Help ill give u lots of points dude
VLD [36.1K]

Answer:

?

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
suppose a DVD costs $19 and a CD costs $14 what is the inequality to find how many CD's you can buy along with one DVD if you ha
amm1812

y = number of cd's

65 <= 19 + 14y


4 0
3 years ago
16
Tanya [424]

Answer:

2.50

Step-by-step explanation:

Given

(x_1,y_1) = (-1,0.8)

(x_2,y_2) = (0,2)

(x_3,y_3) = (1,5)

(x_4,y_4) = (2,12.5)

Required

The rate of change (b)

The above graph is represented as:

y = ab^x

For: (x_2,y_2) = (0,2);

We have:

y = ab^x

2 = a * b^0

2 = a *1

2 = a

a = 2

For (x_3,y_3) = (1,5),

We have:

y = ab^x

5 = a * b^1

5 = a * b

Substitute a = 2

5 = 2 * b

Divide by 2

2.5 = b

b = 2.5

<em>Hence, the rate of change is 2.50</em>

7 0
3 years ago
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