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ExtremeBDS [4]
4 years ago
10

An animal shelter spends $5.50 per day to care for each bird and $7.00 per day to care for each cat. Gianna noticed that the she

lter spent $217.00 caring for birds and cats on Friday. Gianna found a record showing that there were a total of 34 birds and cats on Friday. How many birds were at the shelter on Friday?
Mathematics
1 answer:
Masja [62]4 years ago
8 0

Answer:

14

Step-by-step explanation:

Set up the two equations:

5.5x + 7y = 217

x + y = 34

7x + 7y = 238

5.5x + 7y = 217

1.5x = 21

x = 14

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What does x equal if 2x+y=47​
mestny [16]

Answer:

x=23.5 + -0.5y

Step-by-step explanation:

Simplifying

2x + y = 47

Solving

2x + y = 47

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1y' to each side of the equation.

2x + y + -1y = 47 + -1y

Combine like terms: y + -1y = 0

2x + 0 = 47 + -1y

2x = 47 + -1y

Divide each side by '2'.

x = 23.5 + -0.5y

Simplifying

x = 23.5 + -0.5y

3 0
3 years ago
One year, the population of a city was 352,000. Several years later it was 337,920.
kvasek [131]

hi

here is  the  method :

you take  Value 1  and Value 2

And you do :   ( Value 2 - Value 1)  / (Value 1 )    * 100

Here we have :    Value 1 = 352 000

                            Value 2 =  337 920

So now we apply :

( 337 920 - 352 000 )  /  ( 352 000)   * 100 =  -4  

Population decreased by by  4 %

You can also make :  

352 000 * X = 337 920

                 X =  337 920 / 352 000

                 X = 0.96

if  the multiplier is  0.96 ,  it's mean that we lost  1 -0.96 = 0.04  

which mean  - 4%

8 0
2 years ago
TIMED HELP PLEASE. Verify which of the following are identities.
puteri [66]

Answer:

D=Only the first equation is an idenity

Step-by-step explanation:

3 0
3 years ago
⚠⚠I SEE YOU DONT YOU DARE IGNORE THIS⚠⚠⚠⚠
hammer [34]

Answer:

2=(3,-2)

3=(-4.75,-6.25)

4=(5/2,3/2)

5=87.8(simplified)

3 0
3 years ago
Read 2 more answers
Question 12 Indicate the answer choice that best completes the statement or answers the question. ALGEBRA Find the value of x in
puteri [66]

ANSWER

d. 211

EXPLANATION

These two angles are supplementary - their measures add up 180º:

(19º)+(x-50)º=180º

Solving for x:

\begin{gathered} x+19-50=180 \\ x-31=180 \\ x=180+31 \\ x=211 \end{gathered}

7 0
1 year ago
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