3 years ago

21 of 29

Mathematics

1 answer:

elixir [45]3 years ago

8 0

Answer:

-x + 4

Step-by-step explanation: Now lets see, if you add 4 at circumstances before x, and if you look closely at -x, you can make equation -x + 4

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The ratio of Holly's age to that her aunt is 4:9. When holly was born her aunt was 15 years old. How old is holly's aunt now?

Lyrx [107]

Answer:

27 years

Step-by-step explanation:

Let Holly's age be h and Aunt's age be a. We can setup 2 equations and solve.

1. $\frac{h}{a}=\frac{4}{9}$

2. a - 15 = h

We can plug in equation 2 into equation 1 to solve for aunt's age:

$\frac{h}{a}=\frac{4}{9}\\\frac{a-15}{a}=\frac{4}{9}\\9(a-15)=4a\\9a-135=4a\\5a=135\\a=\frac{135}{5}=27$

Holly's aunt's age is 27

3 0

3 years ago

6w = 77 - 5w<br> What does w equal

Digiron [165]

Answer:

$w=7$

Step-by-step explanation:

$6w=77-5w$

Add $5w$ to both sides

$11w=77$

Divide both sides by 11

$w=7$

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2 years ago

an agent sold a land with 3% commission and he gave Rs9215000 to the owner find the amount of commission

Sergeu [11.5K]

Answer:

While the average real estate agent commission hovers around 5% to 6%, depending on where you live, the total cost of selling tends to be higher.

8 0

2 years ago

△KLM

Yuki888 [10]

It is <span>reflection across y = x
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3 years ago

Which statement is not always true?

Ede4ka [16]

Answer:

its 2

Step-by-step explanation:

for a fact the product of two rational numbers is rational in that statement is always true

3 0

2 years ago