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Step2247 [10]
3 years ago
15

15 acres decreased by 80%

Mathematics
1 answer:
lawyer [7]3 years ago
4 0
First, you have to find what 80% of 15 is. In order to do that you have to change 80% percent to decimal, which would be .80. Then, multiply .80 and 15 to get 12. Subtract 12 from 15 and your answer is 3.
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8. If3:8=c:56, the value of c will be
adelina 88 [10]

The scale for the second values is 56/8 = 7

C = 3 x 7 = 21

C= 21

6 0
3 years ago
M + 4n = 9 <br> Answersssssssssssssss
pantera1 [17]

Answer:

Slope=− 2.0000.500=−0.250

m−intercept= 1/9 =9.00000

n−intercept= 4/9 =2.25000

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
6x-21&gt;3 and 14x+11&gt;-17
Delicious77 [7]
6x-21>3
Add 21 to both sides
6x>24
Divide 6 on both sides
X>4

14x+11>-17
Subtract 11 from both sides
14x>-28
Divide 14 on both sides
X<-2
8 0
3 years ago
Solve:
harina [27]

Answer:

x = 0

Step-by-step explanation:

Write the number in exponential form with the base of 2:

{2}^{x - 3}  =  {2}^{ - 3}

Since the bases are the same, set the exponents equals.

x - 3 =  - 3

Cancel equal terms on both sides of the equation:

x = 0

8 0
3 years ago
Read 2 more answers
Given that $x \le -7,$ identify all the correct conclusions. (A) $3x \le -21.$ (B) $3x \ge -21.$ (C) $-3x \le 21.$ (D) $-3x \ge
exis [7]

Answer:

Options A and D are correct choices.

Step-by-step explanation:

We have been given an inequality x\leq -7 and we are asked to find the correct options from our given choices.

Let us solve inequalities in our given options one by one to see which of these matches with our given inequality.

(A) 3x\leq -21  

x\leq \frac{-21}{3}

x\leq -7

We can see that option A gives the same answer as our given inequality, therefore, option A is the correct choice.

(B) 3x\geq -21

x\geq \frac{-21}{3}

x\geq -7

This inequality represented in option C gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option B is incorrect.

(C) -3x\leq 21

Dividing inequality by a negative number swaps inequality sign.

x\geq \frac{21}{-3}

x\geq -7

This inequality gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option C is incorrect.

(D) -3x\geq 21  

Dividing inequality by a negative number swaps inequality sign.

x\leq \frac{21}{-3}

x\leq -7

We can see that option D gives the same answer as our given inequality, therefore, option D is the correct choice.  

8 0
3 years ago
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