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vaieri [72.5K]
4 years ago
15

Need help with this question for an exam!

Mathematics
1 answer:
Lubov Fominskaja [6]4 years ago
4 0

Answer:

The answer is x=-2 and x=4

Step-by-step explanation:

The attachment 1 is the graph of f(x), the attachment 2 is the graph of g(x)

Mergin the two functions, you will have this

Wichh shows you that the 2 graph intersect when x=2 and x=4

It is more straight to solve the equation

\frac{-x^{2} }{2} = -x-4

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Find the three highest whole numbers that satisfy 2(3x+1)⩽ 1/2(2x-5).<br><br><br><br><br>​
Degger [83]

Answer:

-1, -2 ,-3

Step-by-step explanation:

2(3x+1)⩽ 1/2(2x-5)

Distribute

6x+2 ⩽ x-5/2

Subtract x from each side

6x-x +2 ⩽ x-x-5/2

5x +2 ⩽ -5/2

Subtract 2 from each side

5x+2-2 ⩽ -5/2 -2

5x ⩽ -5/2 -4/2

5x ⩽ -9/2

Divide each side by 5

5x/5 ⩽ -9/2 /5

x ⩽ -9/10

The largest whole numbers that satisfy

-1, -2 ,-3

6 0
3 years ago
Read 2 more answers
Combine the radicals 4V7 +3V28​
Yanka [14]

Answer:

The answer is

<h2>10 \sqrt{7}</h2>

Step-by-step explanation:

To solve the radicals make sure that they both have the same radical

That's

<h3>4 \sqrt{7}  + 3 \sqrt{28}</h3>

Simplify 3√28 in order to combine the radicals

We have

<h3>3 \sqrt{4 \times 7}  = 3 \times  \sqrt{4}  \times  \sqrt{7}</h3><h3>= 3 \times 2 \times  \sqrt{7}</h3><h3>= 6 \sqrt{7}</h3>

So we now have

<h3>4 \sqrt{7}  + 6 \sqrt{7}</h3>

Using the rules of surds

That's

<h3>x \sqrt{a }  + y \sqrt{a}  = (x + y) \sqrt{a}</h3>

Simplify the expression

We have

<h3>4 \sqrt{7}  + 6 \sqrt{7 }  = (4 + 6) \sqrt{7}</h3>

We have the final answer as

<h3>10 \sqrt{7}</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
A tortoise is walking in the desert it walks 6.4 meters in 4 minutes what it its speed
lisabon 2012 [21]

Answer:

= 0.0596516 mi/h

Step-by-step explanation:

Just do 4 minutes divided by 6.4 meters

6 0
3 years ago
If you find treasure buried in your yard what do you hope it contains ​
Vaselesa [24]
Either belongings / memories from my ancestors Or cash as i am in a tough spot currently.
6 0
4 years ago
Given that
kumpel [21]

Answer:

-8

Step-by-step explanation:

Pluck in the values:

P = 3 + (-11)

P = 3 - 11 = -8

7 0
3 years ago
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