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aleksley [76]
3 years ago
9

Callie has a new kitten. The kitten weighs 3 pounds less than half the weight of Callie’s cat. Together, the cat and the kitten

weigh 18 pounds. Which system of equations could be used to find the weight of each animal?
Mathematics
1 answer:
Ronch [10]3 years ago
4 0

Answer:

y = \frac{1}{2} x - 3

x + y = 18

Step-by-step explanation:

Let the kitten's weight be y and the cat's weight be x

<u><em>Condition # 1: </em></u>

y = \frac{1}{2} x - 3

<u><em>Condition # 2:</em></u>

x + y = 18

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PLEASE ALSO EXPLAIN HOW TO SOLVE THIS. 20 POINTS
eimsori [14]
B.) Hibiscus Street 

The key thing to remember is the slope of the lines. The equation for a line in slope intercept form is
y = ax + b
where
a = slope
b = y intercept

So the equation for Oak Street is y = 2/3x - 7. So it's slope is 2/3. And any street that has the same slope will be given a tree name. And any street that's perpendicular will be given a flower name. You can determine is a line is perpendicular if it has a slope that's the negative reciprocal. So a street that's perpendicular to Oak street will have a slope of -3/2.

Now you've just been given the equation to a new street that's y = -3/2x - 2. Since the slope is -3/2 and Oak street has a slope of 2/3, the new street is perpendicular to Oak street. And given the naming scheme, that means that the new street will have the name of a flower. So let's look at the available street names and pick a flower.
<span>
A.) Weeping Willow Street
* Nope a Weeping Willow is a tree. So this name won't work.
 
B.) Hibiscus Street 
* Yes. A Hibiscus is a flower, so this name is suitable.

C.) Oak Street 
* Nope. Not only is this a tree instead of a flower, but there's already an Oak street. So bad choice.

D.) Panther Street
* Nope, this is an animal, not a flower. Bad choice.

</span>
6 0
3 years ago
Which expression is equivalent to (4^2)(4^5)
Dominik [7]

Answer: Sorry I don't know the answer but I recommend an app that will help you is called Mathpapa is really helpful and have helped me get A on test and homework

Step-by-step explanation: is htis one https://www.mathpapa.com/algebra-calculator.html

5 0
3 years ago
HOT PIZZA" is offering a 20% discount on all its pizzas.
denis23 [38]
£6.72 not sure but think that’s right, because you divide by ten for ten percent and multiply it by two (20%) then add it to £5.60
7 0
3 years ago
for a different pizza dough recipe, the equation f=2.5w represents the number of cups of flour, f, that you need for w cups of w
zhuklara [117]
For any direct variation, the equation is of the form y = kx, where k is the constant of proportionality.

Given the equation: f = 2.5w

The constant of proportionality is 2.5.

This means that the ration of the cups of flour to the cups of water used in the recipe is 2.5
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3 years ago
What’s that formula for the area of a rhombus
sergejj [24]

Answer:

A= pq/2

Step-by-step explanation:

8 0
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