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4 years ago

7

Choose all the statements that correctly explain why this shape is an obtuse isosceles triangle.it has 3 sides that are all equa

l.1 of the angles is equal to 90°.1 angle is greater than 90°.2 sides are equal in length.

1 answer:

NemiM [27]4 years ago

8 0

An Isosceles triangle has two congruent sides and angles so, therefore, the last two statements should be correct.

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Solve the inequality: x - 12 < -16

egoroff_w [7]

X< -4
You need to do inverse operations and add 12 to both sides.

4 0

3 years ago

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How would the expression x^3-64 be written using difference of cubes

Alexeev081 [22]

The expression x³ - 64 can be rewritten using difference of cubes is; (x - 4)(x² + 4x + 16)

<h3>How to write an expression as difference of cubes?</h3>

Difference of cubes can be rewritten in the form of;

a³ – b³ = (a – b)(a² + ab + b²)

So in this question, we are given;

x³ - 64 = x³ - (4)³

where a = x and b = 4

This gives us;

(x - 4)(x² + 4x + 4²)

⇒ (x - 4)(x² + 4x + 16)

Read more about difference in cubes at; brainly.com/question/2747971

#SPJ1

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2 years ago

3 1/3 feet are cut off a board that is 12 1/4 feet long.How long is the remaining

laiz [17]

Answer:

$8\frac{11}{12}$

Step-by-step explanation:

In order to answer this question you will have to subtract 3 1/3 from 12 1/4 by turning the mixed fractions into improper fractions, finding the common denominator, (CD) then subtracting the numerators.

$12 \frac{1}{4} - 3\frac{1}{3}$

Turn the mixed fractions into improper fractions:

$12\frac{1}{4} = \frac{49}{4}$

$3\frac{1}{3} = \frac{10}{3}$

$\frac{49}{4} -\frac{10}{3}$

Find the common denominator:

$4\times3=12$

$3\times4=12$

$CD=12$

$49 \times 3 =147$

$=\frac{147}{12}$

$10\times4=40$

$=\frac{40}{4}$

Now subtract the numerators:

$147-40=107$

$=\frac{107}{12}$

Turn the improper fraction into a mixed fraction:

$\frac{107}{12} =8\frac{11}{12}$

$=8\frac{11}{12}$

Hope this helps.

5 0

3 years ago

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a square has a perimeter of 72 units. if its length measures 3y and its width measures 2x, what is the area of the square

erastova [34]

Answer:

324

Step-by-step explanation:

square has 4 sides.

perimeter adds all sides to make 72

72/4=18 units each side

length * width =area of square

square has all sides equal, so 3y and 2x are tricks to confuse. All sides are 18.

18*18= 324

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3 years ago

TJ earns a 20% commission on all sales plus a base salary of $40,000. His total income last year was more than $70,000. Which in

sukhopar [10]

Answer:

40,000 + 0.2x ≥ 70,000

3 0

3 years ago