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Nezavi [6.7K]
3 years ago
6

What is the slope of the line represented by the equation f(x) = -3x + 7? A. -7 B. -3 C. 3 D. 7

Mathematics
2 answers:
Basile [38]3 years ago
4 0

Answer:

B. -3

Step-by-step explanation:

y = mx + b is slope intecept formula

m = slope

y = -3x + 7

-3 = m

aivan3 [116]3 years ago
3 0

Answer:

B. -3

Step-by-step explanation:

I got it right in a test.

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Please answer the following;
34kurt

The Surface area of the cube will be 433.5 square feet.  Then the correct option is C.

<h3>What is a surface area of a cube?</h3>

Suppose that: The side length of the considered cube is L units. Then, we get:

Surface area of that cube = 6L² square units.

Bella is wrapping a cube shape box that measures 8.5 inches along each side.

The edge length of the cube is 8.5 meters.

Then the Surface area of the cube will be

Surface area = 6 x 8.5²

Surface area = 6 x 72.25

Surface area = 433.5 square feet

The Surface area of the cube will be 433.5 square feet.

Then the correct option is C.

More about the surface area of the cube link is given below.

brainly.com/question/13789496

#SPJ1

6 0
2 years ago
Is 3.142857 a rational number
gregori [183]
If you're talking about just the decimal, then yes it is.
If you're talking about 22/7, then it still is.
But if you're talking about pi, then it isn't rational.
3 0
3 years ago
Read 2 more answers
Square with area of 196 is reduced by a factor of 1/4
dalvyx [7]

Answer:

a = 14

Step-by-step explanation:

Area; 196

hope this helps.

3 0
2 years ago
Read 2 more answers
Let f(x) be a func. satisfying f(-x)=f(x) for all real x.if f"(x) exist, find its value.
OverLord2011 [107]

Answer:

f''(x)=f''(-x)

Step-by-step explanation:

A function satisfying the equation f(x)=f(-x) is said to be an even function. This denomination comes from the fact that the same relation is satisfied for functions of the form x^{n} with n even. Observe that if f is twice differentiable we can derivate using the chaing rule as follows:

f(x)=f(-x) implies f'(x)=f'(-x)\cdot (-1)=-f'(-x)

Applying the chain rule again we have:

f'(x)=-f'(-x) implies f''(x)=-f''(-x)\cdot (-1)=f''(-x)

So we have that function f''(x) is also an even function.

4 0
3 years ago
Help me please! Am horrible at math.
lesya692 [45]

Answer:

Step-by-step explanation:

For a. the 14.7 represents the pressure that the air puts on you all the time.

For b. the d represents the depth you go under the surface of the water.

For c. we have to solve p(d) when d = 8:

p(8) = 14.7 + 0.445(8) so

p(8) = 14.7 + 3.56 and

p(8) = 18.26 psi

5 0
2 years ago
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