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2 years ago

What is the measure of angle y? 12 pts.) 52° Y show ur work 30 points

Mathematics

1 answer:

erik [133]2 years ago

8 0

Answer:

y = 40

Step-by-step explanation:

one angle: 12

other angle: 52

An angle would have to be there to add with the 12 to get the 52 and that subtraction answer would be what is equal to Y

52 -12 = 40

Y = 40

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For any perfect square trinomial (quadratic), the constant term (last term) must be positive.

Ronch [10]

Answer:

For the perfect square trinomial (quadratic) i.e. $\left(x\:+\:3\right)^2$ , the constant term (last term) is positive.

Step-by-step explanation:

"Perfect square trinomials" are termed as the quadratics that are the outcomes of squaring binomials.

For example:

$\left(x\:+\:3\right)^2$

$\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2$

$a=x,\:\:b=3$

$=x^2+2x\cdot \:3+3^2$

$=x^2+6x+9$

Therefore, for the perfect square trinomial (quadratic) i.e. $\left(x\:+\:3\right)^2$ , the constant term (last term) is positive.

5 0

3 years ago

Find the exact value of cos (-270).

djyliett [7]

Answer:

Step-by-step explanation:

Assuming this is in degrees, it is actually 0.

8 0

3 years ago

The surface area of a prism is 54 square inches. What is the surface area of a similar prism that is smaller by a scale 1/3

Anna11 [10]

Answer:

18 square inches

Step-by-step explanation:

Surface Area of original prism: 54 square inches

Surface Area of similar prism:

1/3 x 54

=18 square inches

6 0

3 years ago

What is equal to 3/8

Slav-nsk [51]

A fraction that is equal to 3/8 is 6/16 and a decimal is .375

8 0

3 years ago

On last week's climb, each climber carried a pack that was 28% of his or her body weight. One climber weighed 78 pounds. What wa

11Alexandr11 [23.1K]

<h3><u>Solution</u> : </h3>

weight of bag :

$28 \% \: \: of \: \: \: climber's \: \: weight$

$\dfrac{28}{100} \times 78$

$\dfrac{2184}{100}$

$21.84 \: \: \: pounds$

8 0

2 years ago