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fiasKO [112]
3 years ago
12

If f(x) =3x+5 and g(x) =x-1, then f[g(0) =?

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0
G(0)= 0-1= -1

f(-1)= 3(-1)+5= -3+5= 2

the answer to the question is 2
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Bob has two weekend jobs last weekend he made a total of $77 after working as a cashier for 5 hours and delivering newspapers fo
OlgaM077 [116]

Answer: $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.

Step-by-step explanation:

1. Let's call the amount he got paid per hour at his job as a cashier: x.

Let's call the amount he got paid per hour at his job delivering newspapers: y.

2. Keeping on mind the information given in the problem above, you can make the following system of equations:

\left \{ {{5x+4y=77 \atop {6x+3y=78}} \right.

3. You can solve it by applying the Substitution method, as following:

- Solve for one of the variables from one of the equations and substitute it into the other equation to solve for the other variable and calculate its value.

- Substitute the value obtained into one of the original equations to solve for the other variable and calculate its value.

 4. Therefore, you have:

5x+4y=77\\5x=77-4y\\x=\frac{77-4y}{5}=15.4-0.8y

Then:

6(15.4-0.8y)+3y=78\\92.4-4.8y+3=78\\-1.8y=-14.4\\y=8

Finally:

5x+4(8)=77\\5x+32=77\\5x=45\\x=9

Therefore he got paid $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.

5 0
3 years ago
What is the value of x?
madam [21]

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

3 0
2 years ago
Read 2 more answers
An archaeological site is to be made accessible for viewing by the public. To do this, archaeologists built two straight paths f
Jobisdone [24]

Answer:

387 km

Step-by-step explanation:

The length of AC, b can be obtained using the cosine rule ; using the cosine relation:

b² = a² + c² - 2ac CosB

b² = 250² + 185² - 2(250*185) Cos125

b² = 62500 + 34225 - 92500 * −0.573576

b² = 96725 + 53055.820

b² = 149780.82

b = sqrt(149780.82)

b = 387.01527

b = 387 km (nearest whole number)

5 0
3 years ago
How do I fine the sun and difference of number 16?
Julli [10]
Difference=subtract sum=add. just answering so you don't waste points :-)
6 0
3 years ago
Match the people with their accomplishments. 30 points!!
Masja [62]

Answer:

Clara Barton- founder of the American Red Cross

Sally Tompkins- fought for equal pay

James Henry Gooding- established a war hospital

Hope This Helps!     Have A Nice Night!!

6 0
3 years ago
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