Which equation models the problem and shows the correct solution?

Mathematics

2 answers:

xenn [34]2 years ago

7 0

Answer:

the answer is b

Step-by-step explanation:

Tcecarenko [31]2 years ago

4 0

Answer:

Write the equation as x minus 89 = 7 and add 89 to both sides. The answer is 96.

Step-by-step explanation:

Difference means subtraction. So, x-89=7. To solve it, we are going to add 89 to both sides of the equation, which gives us x=7+89, which is x=96. So, the answer is the second one: Write the equation as x minus 89 = 7 and add 89 to both sides. The answer is 96.

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aev [14]

Answer:

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Step-by-step explanation:

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2 years ago

I need some help on this. Not sure how to solve.

andreyandreev [35.5K]

Answer:

x = 9

Step-by-step explanation:

This shape is a 30-60-90 triangle, which means that the angles of the triangle are each 30°, 60° and 90°. Given that the measures of the angles of the triangle are known, as well as one side, we can find the measures of all the other sides (example attached). A 30-60-90 triangle is special because of the relationship of its sides. The hypotenuse (directly across from the 90° angle) is equal to twice the length (2x) of the shorter leg, in this case labeled 'x' and directly across from the 30° angle. The longer leg, across from the 60° angle, is equal to multiplying the shorter leg (x) by √3 or x√3.

Since the measure of the hypotenuse is given at 18, we can set the expression of that side equal to 18 and solve for x:

2x = 18 or x = 9