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ValentinkaMS [17]
3 years ago
10

Explain how to work out these type of questions please!

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0
In these types of problems, you have to get x alone, so you have to get rid of the x’s denominator that is 5. To do this, you will multiply both sides by 5. The 5 in the x/5 with cancel and leave only an x.

The next answer would be x=9 times 5 because of this. Then you will just do 9 times 5, which is 45. So the final answer is x=45.
bixtya [17]3 years ago
7 0

x = 9 \times 5 \\ x = 45
Hope this helps. - M
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The corner of a room where two walls meet the floor should be a right triangle. Jeff makes a mark along each wall. One mark is 9
Aleksandr [31]

ab^2 = 15^2 + 8^2
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2 years ago
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The length of a rectangular floor is two ft more than its width. If the area of the floor is 63 ft, find the length and the widt
NemiM [27]

Answer:

width = 7 and length = 9

Step-by-step explanation:

Let's assume width = w, and length = 2 + w

So area of a rectangle = width * length

63 ft² = w (2 + w)

63 = 2w + w²

w² + 2w - 63 = 0

Use the quadratic formula to solve this

here, a = 1, b = 2 and c = -63

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3 0
2 years ago
What is the place value of the 4 in 4.09?
MaRussiya [10]

Answer:

B: Ones.

Step-by-step explanation:

Because this number is 4.09, and the decimal is right next to the 4, that means that it is in the ones place. Decimals are always adjacent on the right to the ones place.

5 0
2 years ago
The sum of two numbers is 12. The difference of the two numbers is 22. Find the two numbers
valentina_108 [34]

Answer:

-5 and 17

Step-by-step explanation:

The sum of two numbers (let's just say number a and number b) is 12.

a + b = 12

The difference between the same two numbers (still a and b) is 22.

b - a = 22

(Move variable a to the right side to get the following.)

b = 22 + a

(This way, we can substitute b = 22 + a into the first equation, a + b = 12, and solve.)

a + (22 + a) = 12

a + a + 22 = 12

2a = -10

a = -5

a + b = 12

-5 + b = 12

b = 17

7 0
2 years ago
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