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Degger [83]
3 years ago
7

Given the function f(x) = –5|x + 1| + 3, for what values of x is f(x) = –12?

Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0
The answer to your question is negative 52. hope i helped.
jeka57 [31]3 years ago
4 0
I have a feeling I might be wrong, but this is what I came up with...

-12 = -5 | x + 1| + 3                         
+ 5   +5             + 5
-----------------------------
-7 = | x + 1| + 8
-8                  -8 
----------------------
-15 = | x + 1|



-15 = x + 1                         15 = x + 1
-1           -1                         -1          -1
-----------------         OR    --------------------
-16 = x                               14 = x

Your two values are -16 and 14 if I'm correct.




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What value of f makes the equation 5f+25=450 true?
storchak [24]

Answer:

f equals 85

Step-by-step explanation:

85 times 5 equals 425 plus 25 equal to 450

5 0
2 years ago
Help me with this plz
son4ous [18]

Answer:

2x²+ 7x + 12

Step-by-step explanation:

2x(x+5)-3(x-4)

2x²+ 10x - 3x +12

2x²+ 7x + 12

8 0
2 years ago
Read 2 more answers
Find the coordinates of the midpoint of the segment given it’s endpoint M(-5, 9) and N(-2, 7)
inessss [21]

Answer:

-7/2 , 8

Step-by-step explanation:

Given, M(-5,9) be x1 , y1

N(-2,7) be x2, y2

Now,

Using mid point formula

x = x1+x2/2 y = y1+y2/2

= -5-2/2 = 9+7/2

= -7/2 = 16/2

= 8

5 0
2 years ago
what is the measure of the base angle,x, of the isosceles triangle shown below? round your answer to the nearest tenth of a degr
MAVERICK [17]

Answer:

x ≈ 49.7°

Step-by-step explanation:

Since, the given triangle is an isosceles triangle,

Two sides having measure 17 units are equal.

Opposite angles of these equal sides will be equal.

Measure of the third angle = 180° - (x + x)°

By sine rule,

\frac{\text{sinx}}{17}=\frac{\text{sin}(180-2x)}{22}

\frac{\text{sinx}}{17}=\frac{\text{sin}(2x)}{22} [Since, sin(180 - θ) = sinθ]

\frac{\text{sinx}}{17}=\frac{2(\text{sin}x)(\text{cos}x)}{22}

\frac{\text{sinx}}{17}=\frac{(\text{sin}x)(\text{cos}x)}{11}

\frac{1}{17}=\frac{(\text{cos}x)}{11}

cos(x) = \frac{11}{17}

x = 49.68°

x ≈ 49.7°

4 0
3 years ago
ellie is preheating her oven before using it to bake. the initial temperature of the oven is 65° and the temperature will increa
11111nata11111 [884]

Answer:

The temperature of the oven after 6 minutes is 125 degrees and after 10 minutes its 165 degrees.

Step-by-step explanation:

10 x 6 = 60

60+65=125

10 x 10 = 100

100+65=165

8 0
3 years ago
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