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3 years ago

What is (4+49)-4x10=

Mathematics

1 answer:

Musya8 [376]3 years ago

5 0

The answer is 13 hope that helped you :)

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Given f(x)= -4x+7, find f(1)

Lisa [10]

Hi there!

To find f(1), plug in x=1 into the equation
f(1) = -4(1) + 7
= -4 + 7
= 3
That's your answer.
Have an awesome day! :)

From your friendly Helper-in-Training, collinjun0827

3 0

4 years ago

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Find the slope and the y-intercept of the line<br>y=9x-3

dezoksy [38]

Answer: slope is 9, y intercept is -3 or the coordinate (0,-3)

Step-by-step explanation:

y=Mx+b

M is the slope

B is the y intercept

3 0

3 years ago

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A box contains 2 3/4

Juli2301 [7.4K]

Answer:

.55 or 11/20

Step-by-step explanation:

multiply 2 3/4 by 1/5 to get the pounds of apples Sage uses.

5 0

3 years ago

20. 7.2 x 12 x 0.23 = ? Round to the nearest hundredth. A. 19.43 B. 19.44 C. 19.87 D. 19.88

BaLLatris [955]

7.2*12*0.23
=86.4*0.23
=19.872
≈19.87. As a result, the answer is C. Hope it help!

7 0

4 years ago

Susie is solving the quadratic

topjm [15]

Answer:

Option (D)

Step-by-step explanation:

Standard equation of a quadratic function is,

ax² + bx + c

Comparing this function with the given quadratic function,

f(x) = 2x² - 4x - 3

a = 2, b = -4 and c = -3

By using quadratic formula to get the value of x,

x = $\frac{-b\pm \sqrt{b^2-4ac} }{2a}$

= $\frac{-(-4)\pm \sqrt{(-4)^2-4(2)(-3)} }{2(2)}$

= $\frac{4\pm\sqrt{16+24}}{4}$

= $\frac{-4\pm \sqrt{40}}{4}$

= $\frac{-2\pm \sqrt{10}}{2}$

Therefore, Susie made a mistake in step IV.

Option (D) is the answer.

5 0

3 years ago