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2 years ago

Pls help I will give brainliest . The answer choices are

Mathematics

2 answers:

Elan Coil [88]2 years ago

6 0

Answer:

The answer is B

Step-by-step explanation:

vitfil [10]2 years ago

3 0

Answer:

C. x = 57, y = 25

Step-by-step explanation:

∠LKU = 1/2∠EKU ⇒ ∠LKU = 1/2(90°) = 45°

(x - 12)° = 45°
x = 57°

∠KCE = 90° as diagonals of a square are perpendicular

(4y - 10)° = 90°
4y = 100°
y = 100°/4
y = 25°

Correct option is C. x = 57, y = 25

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A rectangle has an area of 126 m2 and a width of 7 m. What is its length?

Lorico [155]

126 divided by 7 equals 18

18 m

8 0

3 years ago

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Use the initial term and the recursive formula to find an explicit formula for the sequence an. Write your answer in simplest fo

Ipatiy [6.2K]

Answer:

$a_n = -11-14n$

Step-by-step explanation:

Given

$a_1 = -25$

$a_n = a_{n-1}-14$

Required

The explicit formula

First, calculate $a_2$

Set n=2; So:

$a_2 = a_{2-1}-14$

$a_2 = a_{1}-14$

Substitute -25 for $a_1$

$a_2 = -25-14$

$a_2 = -39$

Calculate the common difference (d)

$d = a_2 - a_1$

$d = -39 --25$

$d = -14$

So, the nth term is:

$a_n = a_1 + (n - 1)d$

$a_n = -25+ (n - 1)*-14$

Open bracket

$a_n = -25-14n + 14$

Collect like terms

$a_n = 14-25-14n$

$a_n = -11-14n$

4 0

2 years ago

In a recent year, 304 of the approximately 300,000,000 people in the United States were struck by lightning. Estimate the prob

umka2103 [35]

Answer:

$\frac{19}{18,750,000}=0.0000010133333333$

Step-by-step explanation:

We have been given that in a recent year, 304 of the approximately 300,000,000 people in the United States were struck by lightning.

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Number of possible outcomes}}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{304}{300,000,000}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{19}{18,750,000}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=0.0000010133333333$

Therefore, the probability that a randomly selected person in the United States will be struck by lightning this year is $\frac{19}{18,750,000}=0.0000010133333333$ .

6 0

3 years ago

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PLEASE HELP ME QUICKLY!!!!!!!!!!!!!!!!

Lina20 [59]

Answer:

X=35°

Step-by-step explanation:

Opposite angles x=35°

7 0

3 years ago

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Solve for x^2 +11 + 121/4 = 125/4 for x

Ratling [72]

I hope this helps you

x^2 =125/4-121/4-11

x^2=4/4-11

x^2=1-11

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5 0

3 years ago