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3 years ago

Question 9 (Worth 1 points)

Mathematics

2 answers:

kipiarov [429]3 years ago

8 0

Answer:

simple put is 5.

Step-by-step explanation:

took it on edge

omeli [17]3 years ago

3 0

Answer:

Step-by-step explanation:

The area is half the product of base and height, so that product must be 2×9=18. Since the base is 6, the height must be 18/6 = 3. Two points on line x=-3 are 3 units from y=2. One of them is y=-1; the other is y=5.

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Use the Substitution method to solve the system of equations 3x+4y=10 y=x-1

kifflom [539]

Answer: 2

Step-by-step explanation:

3x+4y=10

3x+4(x-1)=10

3x+4x-4=10

7x-4=10

Add 4 to both sides

7x=14

x=2

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2 years ago

How many solutions does the equation 9x + 27 = 27 have?

cupoosta [38]

Answer:

Step-by-step explanation:

Move all terms that don't contain

to the right side and solve.

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3 years ago

What is the length of BC in the right triangle below

Anna [14]

Answer:

<h2>15 units</h2>

The length of BC is 15 units.

Solution,

Hypotenuse(h)=?

perpendicular(p)=12

base(b)=9

Using Pythagoras theorem,

${h}^{2} = {p}^{2} + {b}^{2} \\ or \: {h}^{2} = {12}^{2} + {9}^{2} \\ or \: {h}^{2} = 12 \times 12 + 9 \times 9 \\ or \: {h}^{2} = 144 + 81 \\ or \: {h}^{2} = 225 \\ or \: h = \sqrt{225} \\ or \: h = \sqrt{ {15}^{2} } \\ h = 15$

hope this helps...

Good luck on your assignment....

6 0

3 years ago

Read 2 more answers

Hello there are 4 questions in this it will look like a lot but it is not and you don't have to answer all of it just look at th

alex41 [277]

Answer:

First one: x = 3, and y = 2

Second: 5

Third: Yes because he will have $37.50

Fourth: The numbers 2.5 and 3 will make it true

Step-by-step explanation:

1. 4(3) + 2(2) + 3 = 12 + 4 + 3 = 19

2. 4x + 2 = 22, 4x = 20, x = 5

3. 2.25y + 7.25z + 11.25, 2.25(2) + 7.25(3) + 11.25 = 4.5 + 21.75 + 11.25 = 37.5

He will get $37.50, which is enough.

4. The numbers 2.5 and 3 will make it true: 2(2.5) + 3 = 5 + 3 = 8, 2(3) + 3 = 6 + 3 = 9, the numbers below it won't make it true.

4 0

3 years ago

What is 180 inches in feet

Naya [18.7K]

Answer:15

Step-by-step explanation:

180÷12

7 0

2 years ago

Read 2 more answers