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Vinvika [58]
3 years ago
15

What is the value of the expression 2 x 2 + 3 x y - Y 2 when x equals 2 and Y equals negative 4

Mathematics
1 answer:
professor190 [17]3 years ago
4 0
12.66382829 this is the answer i got
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Please help.... this is confusing me:0
JulsSmile [24]

Answer:

See below

Step-by-step explanation:

IN a right triangle , remember  S-O-H-C-A-H-T-O-A   <===memorize this!

sin z = O/H = opposite side/hypotenuse = 16/20

cos z = A/H = adjacent / hy[potenuse = 12/20

tan z  = O/A = 16/12

5 0
2 years ago
1.) Max is driving 42 miles per hour. A dog dog runs into the street and max reacts in about three quarters of a second. What is
Nostrana [21]

Answer: 14.07\ m

Step-by-step explanation:

Given

Max is driving at a speed of 42\ mph

It took him three-quarters of a second i.e. 0.75\ s

Speed in meter per second is 18.77\ m/s

Distance is given by

d=v\times t

Reaction distance is

d=18.77\times 0.75=14.07\ m

5 0
3 years ago
twelve students have an equally likely chance of being selected in a drawing at school. eight are girls and four are boys. what
andriy [413]

Answer:

33% chance

Step-by-step explanation:

there are 12 students total and there are two groups of students, boys and girls, 8 girls 4 boys so we take that and convert it to a fraction which would make 2/3 girls and 1/3 boys, so that would mean that boys have a 33% chance of being selected

8 0
3 years ago
Answerrrrrrrrrrr plssssssssss
posledela

Answer:

No Solutions

Step-by-step explanation:

3 0
3 years ago
Help ASAP. Write the linear equation in slope-intercept form given the following:
-Dominant- [34]

Answer:

y = -x + 8

Remember that the slope-intercept form had formula y = mx + b where m is the slope and b is the y-intercept.

3 0
2 years ago
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