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Mathematics

1 answer:

Pepsi [2]3 years ago

8 0

Answer:

I will try to answer this shortly it's tricky

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Which translation was preformed?

Alinara [238K]

Answer:

Rotation was used to transform the figure.

Step-by-step explanation:

Since only one transformation was used, rotating the pre-image ABC 180° counterclockwise around the origin formed the image DEF.

I hope this helped! :-)

6 0

3 years ago

Solve the compound inequality: 2x-8≥4 or 8x+7<15

MaRussiya [10]

An inequality is a sentence with <, >, ≤, or ≥ as its verb. An example is 3x - 5 < 6 - 2x. To solve an inequality is to find all values of the variable that make the inequality true. Each of these numbers is a solution of the inequality, and the set of all such solutions is its solution set. Inequalities that have the same solution set are called equivalent inequalities.

8 0

4 years ago

Soren solves the quadratic equation x^2 + 8x – 9 = 0 using the quadratic formula. In which step did Soren make an error?

pochemuha

Answer:

step 3 didn't divide by 2

Step-by-step explanation:

in step

$\frac{ - 8 + \sqrt{100} }{2} = \frac{ - 8 + 10}{2} = 1 \\ \frac{ - 8 - \sqrt{100} }{2} = \frac{ - 8 - 10}{2} = - 9$