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jolli1 [7]
3 years ago
10

Guys, please help me with this question.

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:

2

Step-by-step explanation:

We are asked to perform the subtraction

x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1

= x² + xy - 3y² - 5x² + xy - y² ← collect like terms

= (x² - 5x²) + (xy + xy) + (- 3y² - y² )

= - 4x² + 2xy - 4y²

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Use the following function rule to find f(4).<br><br> f(x) = <br> 5 + <br> 7 <br> x
vladimir2022 [97]

Answer:

33

Step-by-step explanation:

put 4 in for x and then solve

5+7(4)

5+28

33

6 0
3 years ago
Read 2 more answers
Veronica is choosing between two health clubs after how many months will the total cost for each health club be the same
Assoli18 [71]

Question:

Veronica is choosing between two health clubs. after how many months will the total cost for each health club be the​ same? yoga studio a: membership: $24.00 monthly fee: 21.50. yoga studio b: membership: $41.00 monthly fee: $17.25

Answer:

It takes 4 years for the total cost of each club to become equal

Step-by-step explanation:

Given:

For yoga studio A:

membership: $24.00

monthly fee: 21.50.

For yoga studio B:

membership: $41.00

monthly fee: $17.25

To Find:

Number of months after which the total cost for each health club be the​ same = ?

Solution:

Let   x be the number of months of membership, and   y  be equal the total cost.

For Yoga club A

y = 21.50 x + 24

For Yoga club B    

y = 17.25 x + 41.00

we know that the prices,   y , would be equal, we can set the two equations equal to each other.

21.50 x + 24 =17.25 x+ 41.00

Grouping the like terms,

21.50x - 17.25 x= 41.00 -  24

4.25x=17

x=\frac{17}{4.25}

x = 4

6 0
3 years ago
I NEED HELP ASAP 6th GRD WORK HELPPP
tatuchka [14]

Answer:

28cm

Step-by-step explanation:

A=a+b

2h=4+10

2·4=  28cm

3 0
3 years ago
There was a 6 square foot piece of wrapping paper for a birthday present. It takes 3 3/8 feet of square feet of the paper to wra
Citrus2011 [14]

Answer: However, in real life it depends on the shape of the actual presents. If two sheets are used for the 2 presents. There should be enough left from those sheets to use for the third present. (They should be taped together.)


Step-by-step explanation:  6/3 then 3 over 8 ––> 3/8

6/ 27/8

= 6/1 / divide 27/8

= 6^2 /1 x 8/27 ^9              (^) –––>  this mean square root of 2 or 9

6 cancels and 27 cancel

= 16/9

=1  7/9

However  you will still need to buy 2 sheets




3 0
2 years ago
Find all real square roots of −81 .
Lilit [14]
There are no real roots for a negative number, so -81 has no real roots, if the number is 81 however, then the tow roots are 9
3 0
3 years ago
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