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Alina [70]
3 years ago
10

at the pet fair,darlene's dog weighed 5 times as much as leah's dog.together the dog weighed 84 pounds. how much did each dog we

igh?
Mathematics
2 answers:
Andrew [12]3 years ago
8 0
Whatis your name? is this notin the fourth grade chaapter book? Darlene's dog weighs 70 and leah's weigh 14

Sati [7]3 years ago
5 0
It is 420 because your doing 5 x 84
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Combine the like terms to make a simpler expression: 5k (-2k)-(-1)
TiliK225 [7]
Hey there, Lets solve this problem together. 

Our first step will be to g<span>ather like terms 

</span>5*-2k*k+1 
<span>
 Simplify 5×−2k×k to −5×2k×k

</span>-5*2k*k+1 

Simplify <span><span>5×2k×k</span></span><span> to </span><span><span>10<span>k^2 

</span></span></span>-10k^2+1 <span><span><span>
</span></span></span>
7 0
3 years ago
Read 2 more answers
If f(x)=8-10x and g(x) =5x +4, what is the value of (fog)(-2)?
swat32

Answer:

  68

Step-by-step explanation:

Any function is evaluated by putting the argument value where the variable is, then doing the arithmetic. When the argument is another function value, that function value is evaluated first.

__

<h3>f∘g</h3>

The "o" in (fog) is a stand-in for the "ring operator" (∘) which is the operator used to signify a composition. A composition is evaluated right-to-left. That means (f∘g)(x) ≡ f(g(x)). The value of g(x) is found first, and is operated on by the function f.

Writing the composition in the form f(g(x)) lets you identify the layers of parentheses. As with any expression evaluation, the Order of Operations applies. It tells you to evaluate the expression in the innermost parentheses and work your way out.

<h3>g(-2)</h3>

To evaluate (f∘g)(-2) = f(g(-2)), we must first evaluate g(-2). That is ...

  g(x) = 5x +4

  g(-2) = 5(-2) +4 = -10 +4 = -6 . . . . . put -2 where x is, do the math

<h3>f(g(-2))</h3>

Now that we know g(-2) = -6, we know this expression is ...

  f(-6) = 8 -10(-6) = 8 +60 = 68 . . . . . substitute for x in 8-10x

Then the value we're looking for is ...

  (f∘g)(-2) = 68

8 0
1 year ago
If a pair of jeans cost 45 dollars before the sale and the sale is taking 9 dollars off of the original price what was the perce
Dvinal [7]

Answer:

20%

Step-by-step explanation:

A pair of jeans cost $45  before the sale.

The sale is taking $9 off of the original price.

Then

$45 - 100%

$9 - x%

Write a proportion:

\dfrac{45}{9}=\dfrac{100}{x}

Cross multiply:

45\cdot x=9\cdot 100\\ \\45x=900\\ \\x=\dfrac{900}{45}\\ \\x=20\%

3 0
3 years ago
The diagonals of a square are _____ each other
patriot [66]

Answer: d) perpendicular bisectors of

Step-by-step explanation:

4 0
3 years ago
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Luda [366]

Answer:

Let total number of dog and cat population in animal shelter be x.

As per the statement:

An animal shelter has 9 puppies.

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It is also given that if the puppies are 36% of the total dog and cat population.

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or

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By cross multiply we get;

900 = 36 x

Divide both sides by 36 we get;

25 = x

Therefore, total number of dogs and cat population in animal shelter are 25


5 0
3 years ago
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