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3 years ago

What is 2y times 3 plus 4 times 3

Mathematics

2 answers:

valentinak56 [21]3 years ago

6 0

This would be written out as:

$2y \times 3 + 4 \times 3$

Stolb23 [73]3 years ago

6 0

Answer:

2y x 3 + 4 x 3 is your written expression but it would equal = 6y + 12

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A right triangle (triangle 1) has measurements of a = 505 mm and b = 286 mm. What are the measurements for c, α, and β?

Nataly_w [17]

see the attached figure to better understand the problem

Step 1

Find the value of c

we know that

Applying the Pythagorean Theorem

$c^{2} =a^{2}+b^{2}$

we have

$a=505\ mm$

$b=286\ mm$

substitute the values in the formula

$c^{2} =505^{2}+286^{2}$

$c^{2} =336,821$

$c=580.36\ mm$

Step 2

Find the value of angle A (α)

we know that

in the right triangle ABC

$cos(A)=\frac{b}{c} \\ \\cos(A)=(286/580.36)\\ \\A=arc\ cos(286/580.36)\\ \\A=60.48\ degrees$

Step 3

Find the angle B (β)

we know that

in the right triangle ABC

angle A and angle B are complementary angles

A+B=90

solve for B

B=90-A-------> B=90-60.48-----> B=29.52°

therefore

the answers are

a) the measure of side c is 580.36 mm

b) the measure of the angle α is 60.48°

c) the measure of the angle β is 29.52°

7 0

3 years ago

Mrs. McCabe takes her kids to the trampoline park. Admission and socks cost $10, plus 5 per hour to jump. What is the constant i

Aleks [24]

Answer:

The constant is $10

The variable x represents how many kids there are

Hope this Helps!!!

7 0

3 years ago

It took Jean 1/2 hour to complete 3/8 of a math problem

skad [1K]

Ok, if you say so. Jean took 1/2 hour to complete 3/8 of a math problem.

8 0

3 years ago

Read 2 more answers

Write an expressions that is equivalent to 6c-2/2 +2c+11 in simplest form

alisha [4.7K]

Answer:

8c + 10

Step-by-step explanation:

Divide 2/2:

6c - 1 + 2c + 11

Then Collect Like Terms:

6c + 2c = 8c

-1 + 11 = 10

Final: 8c + 10

3 0

4 years ago

Write each ratio in its simplest form 8: 10 show working

Sloan [31]

Answer:

Simple solution for that!

4 : 5

Step-by-step explanation:

both 8 and 10 are divided by 2

8 ÷ 2 : 10 ÷2

4 : 5

further can't simplify so 4 : 5 is the answer

8 0

3 years ago