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3 years ago

Write simplified expressions for the area and perimeter of the rectangle. Area: 8 8 x+ x+ Perimeter: 2 2 x+ x+

Mathematics

1 answer:

meriva3 years ago

6 0

Answer:

16 is the answer

Step-by-step explanation:

add the numbers together

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Can someone help me on this question?

notsponge [240]

Answer:

x = 19.6

Step-by-step explanation:

By applying cosine rule in ΔBCD,

cos(30)° = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

= $\frac{BC}{BD}$

$\frac{\sqrt{3}}{2}=\frac{BC}{16}$

BC = $8\sqrt{3}$

Now, by applying sine rule in ΔBAC,

sin(45)° = $\frac{\text{Opposite side}}{\text{Hypotenuse}}$

$\frac{1}{\sqrt{2}}=\frac{AB}{BC}$

$\frac{1}{\sqrt{2}}=\frac{x}{8\sqrt{3}}$

x = $8\sqrt{6}$

x = 19.59

x ≈ 19.6

3 0

3 years ago

As a salesperson, you are paid $50 per week plus $2 per sale. This week you want your pay to be at least $100. What is the minim

DENIUS [597]

Let s represent the number of sales, and t the total pay
the equation to represent this situation is t = 2s + 50
so set t to 100, and solve for s

100 = 2s + 50
50 = 2s
25 = s

you need to make at least 25 sales

5 0

3 years ago

I need help please?!):

motikmotik

Answer:

Option C: $\sqrt{\textbf{121}}$

Step-by-step explanation:

Given the side length of a square is 11 units.

Note that $\sqrt{121} = \pm 11$

Since, length cannot be negative, we can eliminate - 11.

Hence, the length of the side of the square is 11 units = $\sqrt{11^2} = \sqrt{121}$ .

Hence, the answer.

7 0

3 years ago

At what rate is a car traveling, if it goes 157.5 miles in 2.5 hours?

elena-s [515]

Answer:

Step-by-step explanation:

8 0

2 years ago

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Please help me with math question

djverab [1.8K]

M∠NQS = m∠BQS - m∠BQN = 78 - 48 = 30°

8 0

3 years ago

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