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Kazeer [188]
4 years ago
12

Find a number whose product with six is the same as its sum with 45

Mathematics
1 answer:
Luda [366]4 years ago
7 0

1. Make the equation. The product of the number and 6 equals the sum of the number and 45, so the equation would be 6x = x + 45.

2. Subtract x from both sides. You'll get 6x - x = 45.

3. You can combine like-terms by subtracting 6x - x. This is the same as 6x - 1x, which is 5x. You'll get 5x = 45.

4. Divide both sides by 5 to get x = 9.

Therefore, the number is 9.

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How do you simplify -0.3 + 25/100
shepuryov [24]

Answer: i have no idea

Step-by-step explanation:

5 0
3 years ago
Can anyone help me with this? Thanks!
Katarina [22]

Answer:

Step-by-step explanation:

5^2+8^2=c^2

25+64=89

89=c^2

square root of 89 is 9.43

9.43=the square root of c^2

6 0
3 years ago
Rob and Amy each improved their yards by planting rose bushes and shrubs. They bought their supplies from the same store. Rob sp
Dmitriy789 [7]

Answer:

The cost of one rose bushes be $10 and the cost of shrubs $4.

Step-by-step explanation

Let us assume that the cost of rose bushes be x .

Let us assume that the cost of shrubs be y .

As given

Rob and Amy each improved their yards by planting rose bushes and shrubs.

They bought their supplies from the same store.

Rob spent $100 on 8 rose bushes and 5 shrubs.

Than the equation

8x + 5y = 100

Amy spent $112 on 8 rose bushes and 8 shrubs.

8x + 8y = 112

Than the two equation

8x + 5y = 100 and  8x + 8y = 112

Subtracting 8x + 5y = 100 from 8x + 8y = 112

8x - 8x + 8y - 5y = 112 - 100

3y = 12

y = \frac{12}{3}

y = $4

Put in the equation 8x + 5y = 100 .

8x + 5 × 4 = 100

8x + 20 = 100

8x = 100 - 20

8x = 80

x = \frac{80}{8}

x = $10

Therefore the cost of one rose bushes be $10 and the cost of shrubs $4.


7 0
4 years ago
63 is 75% of what number?
Simora [160]
It is 84.
x=100%
63=75%

(63*100)/75=84
8 0
4 years ago
Read 2 more answers
Which equation can be simplified to find the inverse of y = 5x2 + 10?
iris [78.8K]

ANSWER

x = 5 {y}^{2}  + 10

EXPLANATION

The given equation is :

y = 5 {x}^{2}  + 10

To find the inverse of this function, we interchange x and y to obtain:

x= 5 {y}^{2}  + 10

We simplify this function to solve for y.

Therefore the equation that needs to be simplified to find the inverse of the given function is

x = 5 {y}^{2}  + 10

The correct choice is is the first option.

8 0
3 years ago
Read 2 more answers
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