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ser-zykov [4K]
3 years ago
7

Please help me ASAP! Precalc for college.

Mathematics
1 answer:
Rudik [331]3 years ago
5 0

Answer:

B) f(x) = -1 if x ≤ 0

             2 if x > 0

Step-by-step explanation:

B) f(x) = -1 if x ≤ 0

             2 if x > 0

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If HI = 7, find KL.
tamaranim1 [39]

Answer:

14

Step-by-step explanation:

(I go to a french school, so excuse my terminology, which might not always be correct)

The angle we can see, in GHI, is equal to 121°. JKL has an identical angle, meaning JKL is an enlargement (probably the wrong term, I apologise) of GHI. This means we can use the length of it's sides to find KL.

GH and GI are both multiplied by two (GH = 4 becomes JK = 8, GI = 5 becomes JL = 10) meaning you must multiply HI by 2 to find KL.

2*7 = 14

KL = 14  

5 0
3 years ago
What operations never change the solution set of an equation
kykrilka [37]

Answer:

x values

Step-by-step explanation:

4 0
3 years ago
9 divided by 4 in drawing form
jolli1 [7]

Answer: that’s 2.25

Step-by-step explanation:

ok so you draw 4 big circles then and 1 in each one then just keep going 2 so that 2

5 0
3 years ago
2x &lt; 2<br> What is the value of x?
TEA [102]
X can be a value of any number less than 0.9.
Solved, this is x<1 as an inequality.
6 0
3 years ago
Sue graphed the formula for converting temperatures from Fahrenheit to Celsius.If the temperature is 50 degrees Fahrenheit, what
kherson [118]

Answer:

10°C

Step-by-step explanation:

The temperature is 50°F

Let's assume that 50°F = x°C

The formula is;

(x°C × \frac{9}{5}) + 32 = 50°F

\frac{9}{5}x°C = 50 - 32 = 18

\frac{9}{5}x°C = 18

x°C = \frac{5}{9} × 18 = 10°C

So 50°F is equal to 10°C.

5 0
3 years ago
Read 2 more answers
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