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svetlana [45]
2 years ago
15

Given h(x)=4x-4, find h(-3)

Mathematics
2 answers:
Nikitich [7]2 years ago
7 0
=4(-3) - 4
= -12 - 4
= -16
adoni [48]2 years ago
3 0
H(-3) is -16
Explanation
4*-3=-12
-12-4=-16
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I need help on khan academy and I’m willing to pay half right when you start the work and when you finish all the work I’ll pay
harina [27]

Answer:

x\approx 50^\circ

Step-by-step explanation:

c^2 = a^2 + b^2 - 2ab(cos(C))

See the figure below to get the values as:

7^2=7^2+9^2-2\left(7\right)\left(9\right)cos\left(x\right)\\\\cos(x)=\frac{7^2+9^2-7^2}{2\cdot \:7\cdot \:9}\\\\x\approx 50^\circ

There are multiple concepts to solve this problem. This is one of the concept used in high school. Other concept to solve this problem is to use the concept of isosceles triangle. An isosceles triangle is a triangle with (at least) two equal sides. The angles shared by the two equal sides are also equal. So that the sum of all the three angles will add up to 180.

x+x+80=180\\\\2x=100\\\\x=50^{\circ}

Best Regards!

5 0
4 years ago
A rectangular piece of metal is 25 in longer than it is wide. Squares with sides 5 in long are cut from the four corners and the
AnnZ [28]

Answer:

Here you go

Step-by-step explanation:

24 original width

49 original length

7 0
3 years ago
X+17.4=23.5 ??????????
9966 [12]

Answer:

It depends what your asking, if you do the problem your full answer is 409 because your muplitying tand then finding the sum before Equally the answer so that's what could find. I really hope this helps you out.

5 0
3 years ago
The half-life of a radioactive material is about 2 years. How much of a 5.0 kg sample of this material will remain after 4 years
HACTEHA [7]

The remaining amount after 4 years is 1.25 kg

<h3>How to determine the remaining amount?</h3>

The half life of a function is represented as:

A = A_o * (1/2)^{t/h}

Where

Ao represents the initial amount

So, we have:

A = 5 * (1/2)^{t/2}

In 4 years, t = 4.

So, we have:

A = 5 * (1/2)^{4/2}

This gives

A = 5 * (1/2)^2

Evaluate the expression

A = 1.25

Hence, the remaining amount after 4 years is 1.25 kg

Read more about half life at:brainly.com/question/26148784

#SPJ1

8 0
2 years ago
Two numbers x and y, have a sum of 23 and a difference of 7. x is greater than y
Verizon [17]

Answer:

Below in bold.

Step-by-step explanation:

Use the elimination method:

a.   x + y = 23

     x - y = 7

b.  Adding the 2 equations eliminates y, so we have

     2x = 30

        x = 15.

     Substitute x = 15 in equation a:

      15 + y = 23

         y = 23 - 15

        y =  8.

       Answer x = 15, y = 6.

7 0
3 years ago
Read 2 more answers
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