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Dafna1 [17]
3 years ago
11

Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.

Mathematics
2 answers:
Bess [88]3 years ago
6 0
-2x^2=-15-5
-2x^2=-10
x^2=-5
X≠R i am not quite sure but...hope it helps :)
Katyanochek1 [597]3 years ago
4 0
The answer for this equation

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the slope of line ab = 3x - 4/ 2x + 16 and the slope of cd = 2/1. f ab is perpendicular to cd l, determine the value of x.
ziro4ka [17]

Answer:

the answer is that

Step-by-step explanation:

because i know

8 0
3 years ago
At a greengrocer, two bananas and one apple cost ?1.16 and one banana and one apple cost ?0.71. How much does one apple cost?
Blababa [14]

Answer

Find out the how much does one apple cost .

To prove

Let us assume that the number of bananas be x .

Let us assume that the number of apples be y .

As given

At a greengrocer, two bananas and one apple cost $1.16 .

Than the equation becomes

2x + y = 1.16

one banana and one apple cost $0.71.

Than the equation becomes

x + y = 0.71

Subtracting x + y = 0.71 from 2x + y = 1.16

2x - x + y - y = 1.16 - 0.71

x = 0.45

Put in the equation x + y = 0.71

0.45 + y = 0.71

y = 0.71 - 0.45

y = $0.26

Therefore the cost of the one apple is  $0.26 .


4 0
3 years ago
For what value of x does 32X – 9^3x-4?
Lubov Fominskaja [6]

Answer: X = 4/61

Step-by-step explanation

7 0
3 years ago
Determine the sample size required to estimate the mean score on a standardized test within 4 points of the true mean with 98% c
Darina [25.2K]

Answer:

67

Step-by-step explanation:

You have to use fractions to show your work and I'm not going to do that but just know that it is the answer.

3 0
3 years ago
Write a number with the digit 8 in the tens place
sladkih [1.3K]
280
The 0 is in the ones.
The 8 is in the tens.
The 2 is in the hundreds.
8 0
3 years ago
Read 2 more answers
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