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Anni [7]
3 years ago
7

How do you solve a question algbraically

Mathematics
1 answer:
Julli [10]3 years ago
3 0

Answer:

Step 1: Multiply the entire first equation by 2.

Step 2: Rewrite the system of equations, replacing the first equation with the new equation.

Step 3: Add the equations.

Step 4: Solve for x.

Step 5: Find the y-value by substituting in 3 for x in either equation.

Step 6: Identify the solution as an ordered pair.

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Let f(x)=4x+7 and g(x)=3x-5. find (fog)(-4)<br><br> A. -9 <br> B. -61 <br> C. -32 <br> D. -17
vovikov84 [41]

Answer:

B

Step-by-step explanation:

To evaluate (f ○ g)(- 4), first evaluate g(- 4) then substitute this value into f(x)

g(- 4)  = 3(- 4) - 5 = - 12 - 5 = - 17, then

f(- 17) = 4(- 17) + 7 = - 68 + 7 = - 61 → B

5 0
3 years ago
The U.S. Air Force has 19 women for every 81 men listed if the squadron has 750 members approximately how many are men?
laila [671]
If unrounded the answer would be 607.5 men but if rounded it would be 608 men
7 0
3 years ago
I will give brainiest to whoever answers correctly !!
Kisachek [45]
I think the answer is $166,742.24
4 0
3 years ago
Let k ( x ) = 2 x + 3 and m ( x ) = 3 x 2 + 7 x − 10 . Find the indicated value. M ( k ( − 4 ) ) =
murzikaleks [220]

Answer: 30

Step-by-step explanation:

Given

k(x)=2x+3

M(x)=3x^2+7x-10

M\left(k(x)\right) is given by replacing the x by k(x) from the M(x)

\Rightarrow M\left(k(x)\right)=3(2x+3)^2+7(2x+3)-10\\\Rightarrow M\left(k(x)\right)=3(4x^2+9+12x)+14x+21-10\\\Rightarrow M\left(k(x)\right)=12x^2+50x+38

Now, M\left(k(-4)\right) is

\Rightarrow M\left(k(-4)\right)=12(-4)^2+50(-4)+38\\\Rightarrow M\left(k(-4)\right)=192-200+38\\\Rightarrow M\left(k(-4)\right)=30

8 0
3 years ago
Maria has 2 dogs. Her friend bought her h more dogs. Write an expression that show how many dogs Maria has now.
AVprozaik [17]

Answer:

2+h

Step-by-step explanation:

7 0
3 years ago
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