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netineya [11]
3 years ago
10

7xy + 8z - 2z + 12xy + 10z

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer:

19xy + 16z

Step-by-step explanation:

combine like terms

7xy +1 2xy= 19xy

8z - 2z + 10z = 16z

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The measures of the angles In alinear pair are x degree and (x+25) degree. Find the measures of each of them
natta225 [31]

Answer:

77.5° and

102.5°

Step-by-step explanation:

Angles in a linear pair sum up to 180°

Therefore, x + (x +25) = 180

x + x +25 = 180

2x + 25 = 180

2x = 180- 25

2x 155°

dividing bothsides by 2

x = 155/2

x = 77.5

Therefore,

x = 77.5°

(x+25) = 77.5 + 25 = 102.5°

8 0
2 years ago
When rolling a fair dice numbered 1-6 what is the probability of getting an even number
Sveta_85 [38]
The probability is 50% or 1/2
4 0
3 years ago
Read 2 more answers
You deposit $650 in a savings account. How long does it take an account with an annual interest rate of 5% to earn $178.25 in in
laiz [17]

Answer:

It takes an account 5.4 years  to earn $178.25 in interest with an annual interest rate of 5%.

Step-by-step explanation:

You can use the following formula to calculate the time it takes an account to earn a certain amount in interest:

t=(1/r)*((F/P)-1), where:

t= time

r= rate of interest= 5%

F= future value= 650+178.25=828.25

P= present value= 650

Now, you can replace the values on the formula:

t=(1/0.05)*((828.25/650)-1)

t=20*0.27

t=5.4

According to this, the answer is that it takes an account 5.4 years  to earn $178.25 in interest with an annual interest rate of 5%.

3 0
3 years ago
What is 0.79 as a percent
sesenic [268]
79 percent is the answer
7 0
3 years ago
Read 2 more answers
Solve the inequality. |4x + 2| < 26
balu736 [363]
Hello,
Answer D

1) if 4x+2>0 then |4x+2|=4x+2
==> 4x+2<26
==>4x<24
==>x<6

2) if 4x+2<0 then |4x+2|=-(4x+2)=-4x-2

==>-4x-2<26
==>-4x<28
==>x>-7

thus -7<x<6

8 0
2 years ago
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