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Tomtit [17]
2 years ago
13

Type the correct answer in each box. Use numerals instead of words.

Mathematics
1 answer:
Irina-Kira [14]2 years ago
8 0

Answer:

Equation A

Step-by-step explanation:

the vaules of c and d make it true its on the thing.

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Write a system of equations and solve
Semenov [28]
c+b=7
5c+45b=195

c+b=7 --> c=7-b
5c+45b=195

5(7-b)+45b=195
35-5b+45b=195
35+40b=195
40b=160
b=4

c+(4)=7
c=3

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3 0
3 years ago
Evaluate the function f(x)=x^2+6x+2 at the given values of the independent variable and simplify.
____ [38]

Answer:

a) 18

b)x^2+10x+18

c)x^2 -6x+2

Step-by-step explanation:

This is a case of plugging in the value into f(x).

a) f(-8)= -8^2 + 6(-8) +2

f(-8)= 64 + (-48) +2

f(-8)=64 + (-46)

f(-8)=18

b)  f(x+2)= (x+2)^2+6(x+2)+2

So here I'll take a break to explain what's going on, because x+2 is a binomial meaning two terms and it is being squared I have to multiply the whole thing by itself. Meaning: (x+2) x (x+2), this is also known as foiling!! and for the next part its distributing 6 into x and 2.

    f(x+2)= x^2+4x+4+6x+12+2

I'll reorder it

 f(x+2)= x^2+4x+6x+12+2+4

    f(x+2)= x^2+10x+18

c) f(-x)= -x^2+6(-x) +2

f(-x)= x^2 -6x+2

6 0
2 years ago
The temperature in Alaska can reach -30 degrees Fahrenheit during the winter months it is colder in Antarctica than in the Alask
Fofino [41]

Answer:

B. -40°F

Step-by-step explanation:

its- clearly lower than -30

4 0
2 years ago
Read 2 more answers
Write 1 1/3 as a percent
Assoli18 [71]

Answer:

1.3

Step-by-step explanation:

⅓ put into to decimal form is a repeating decimal

5 0
1 year ago
Read 2 more answers
Plsss hellpppp 14 and 15 plsssssss
Lesechka [4]

Answer:

14). 2nd quadrant

15). 1st quadrant

Step-by-step explanation:

14).Coordinates of a point → J(-8, -12)

    Coordinates of the new point J' after reflection of x-axis will follow the rule,

    (x, y) → (x, -y)

    Coordinates of J' → (-8, 12)

    Therefore, point J' will lie in 2nd quadrant.

15). Coordinates of a point → W(-6, 7)

    Rule for the rotation by 90°clockwise about the origin,

    (x, y) → (y, -x)

    Coordinates of point W → (-6, 7)

    Following this rule,

    W(-6, 7) → W'(7, 6)

    Therefore, point W' will lie in the first quadrant.

7 0
3 years ago
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