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mart [117]
3 years ago
5

Please help asap will mark brainliest if I can and if it's right.

Mathematics
1 answer:
Sati [7]3 years ago
4 0

Answer:

(7y + 4) • (5y + 9)

Step-by-step explanation:

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Find the value for β that makes cosβ = sin15 true.
Gemiola [76]

Answer:

Step-by-step explanation:

This is an equation for which you need to solve for the value of the missing angle beta.

cos\beta =sin(15)

sin(15) has a decimal answer that you will find on your calculator.  Finding that value makes this equation then

cosβ = .2588190451

Now use the 2nd button and then the cos button to find the angle that has a cos of that decimal.  When you hit 2nd then cos, you should see this on your screen:

cos⁻¹ (

After that open parenthesis, enter you decimal then hit the enter button to find the angle.  You should get 75, which is Choice B.

8 0
3 years ago
A recipe calls for 3 cups of sugar and 9 cups of water. How many cups of water should be used with 12 cups of sugar?
Yuki888 [10]

Answer:

36

Step-by-step explanation:

3 0
3 years ago
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The nine cats in a pet store were weighed. Their weights (in pounds) are given below.
stepladder [879]
Range is 6 and the mode is 8
6 0
3 years ago
Which of the following is NOT a true statement about the sides of a right triangle? A. The hypotenuse is the longest side. B. Th
Aleonysh [2.5K]
The correct answer is C. Side “a” is always longer than side “b”.
6 0
2 years ago
The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28. A table with 6 columns and 2 rows. T
Alexus [3.1K]

The solution is (5,2)

Step-by-step explanation:

From the third column the equation for sum of equivalent system is given as;

8x = 40

divide both sides by 8 to get value of x

8x/8 = 40/8

x=5

Using the value of x in the fifth column's first equation will be;

4x +4y =28

4(5) + 4y =28

20 +4y =28

4y= 28-20

4y=8

divide both sides by 4 to get y

4y/4 =8/4

y=2

The solution is x=5 and y=2 written as (5,2)

Learn More

Solving simultaneous equations : brainly.com/question/12647791

Keywords: table, solution, column, original system

#LearnwithBrainly

8 0
3 years ago
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