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murzikaleks [220]
3 years ago
13

F(x) = 2x2 + 12x + 1 Determine the vertex

Mathematics
1 answer:
Gnom [1K]3 years ago
5 0

Answer:

Step-by-step explanation:

The vertex would be the highest/lowest point so lets factor this first

when we factor we get

2(x^2+6x+8)

2(x+4) (x+2)

Using zero product property we find the 2 x values and x intercepts are

-4 and -2

the middle point of these points is -3

Substitute -3 for x and solve

2(-3+4) (-3+2)

2 * 1 *  -1

2*-1

-2

(-3,-2) is the vertex

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What is the difference between (-15) and (+20)?
Lapatulllka [165]

Answer:

-35

Step-by-step explanation:

-15 -20

= -35

But if you want the positive difference, it would be 35

6 0
3 years ago
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Can you help me calculate the angles from this kite in the attachment?<br><br><br>AY =, XZ =,
Setler [38]

Answer:

AY=8, XZ=20

Step-by-step explanation:

WY=WA+AY, plug in values: 14=6+AY, subtract 6 from both sides: 8=AY, AY=8cm

ZA=10cm and WY bisects XZ at A, so XA=ZA and XZ  = XA+ZA = 2ZA =2*10 = 20 cm

8 0
3 years ago
Ricardo has saved 83% of the money he needs to buy a new skateboard that costs $150. How much MORE does he need to save to buy t
4vir4ik [10]

Answer:

17%, or $25.50

Step-by-step explanation:

If Ricardo has already saved 83% of the money, then he needs to save 17% more, because 83% + 17% = 100%

So what you need to do to figure out the answer is to find out 17% of $150

You first have to convert 17% into decimal form which is 0.17.

Then, you multiply 0.17 × 150 = 25.5

Ricardo needs $25.50 to buy the skateboard.

Hope this helped.

5 0
4 years ago
Which pair of ratios can form a true proportion?
Kamila [148]

A true proportion is an equation that states that two ratios are equal.

1) The given ratios in their lowest form are:

\frac{1}{2} and \frac{6}{10} =\frac{3}{5}

The two ratios are not equal.

2) The given ratios in their lowest form are :

\frac{6}{8} =\frac{3}{4}  and \frac{5}{20} =\frac{1}{4}

The two ratios are not equal.

3) The given ratios in their lowest form are :

\frac{3}{5} and \frac{6}{10} =\frac{3}{5}

The two ratios are equal and hence it is True proportion

4) The given ratios in their lowest form are :

\frac{3}{9} =\frac{1}{3} and \frac{7}{80}

The two ratios are not the same .

The third option the ratios \frac{3}{5} and \frac{6}{10} are in true proportion.


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3 years ago
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About how many tax returns are selected by the IRS for audits each year?
Marizza181 [45]
Less than one percent
5 0
4 years ago
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