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aliya0001 [1]
3 years ago
9

Find f(-3) if f(x)= x^2

Mathematics
1 answer:
horsena [70]3 years ago
6 0

Answer:

f(-3)=9

Step-by-step explanation:

we have

f(x)=x^{2}

Find f(-3)

we know that

f(-3) is the value of the function f(x) for the value of x equal to -3

so

substitute the value of x=-3 in the function above to get f(-3)

f(-3)=(-3)^{2}

f(-3)=9

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Find the range for the measure of the third side of a triangle given the measures of two sides 25 yd an 38 yd
lys-0071 [83]

Answer:

The range of the measure of third side is 13\ yd.

Step-by-step explanation:

Given:

measure of the first side = 25 yd

measure of the second side = 38 yd

We need to find the range  for the measure of the third side.

Solution:

Let the measure of the third side be 'x'.

Now by Triangle Inequality property which states.

Measure of the third side must be less than the sum of the measures of other two side and greater than difference of the measures of other two side.

Sum of two sides = measure of the first side + measure of the second side = 25 + 38 = 63

Difference of two sides  =  measure of the second side - measure of the first side = 38-25 =13

framing the above quote in equation form we get;

13\ yd

Hence the range of the measure of third side is 13\ yd.

5 0
3 years ago
Find the area of 4,4,8,2
Margarita [4]

Answer:

4x4x8x2 = 256

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A square has a side of 6.25 feet. What is the area in square feet? Round to the correct significant digits.
denis23 [38]
Area of a square = side^2
area = 6.25^2 = <span> <span> <span> 39.0625 </span> </span> </span> square feet

= 39.06 (rounded)

4 0
3 years ago
Micheal will be running a 15 mile road race. How many feet will he run ? ( 1 mile = 5280 feet)
MArishka [77]

Answer: 79,200 feet

Step-by-step explanation:

15 x 5,280= 79,200

8 0
3 years ago
3<br> 1 point<br> Add (8x2 - 8x + 12) + (4x2 - 12x + 14).<br> ]
mihalych1998 [28]

Answer:

12x2-20x+26

Step-by-step explanation:

Like terms!

8x2+4x2

12x2

-8x-12x

-20x

12+14

26

4 0
3 years ago
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