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Ivan
3 years ago
15

Which is the quadratic equation in standard form which has roots of 7 and 10?

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0

Answer:

gjyuyj7yu

Step-by-step explanation:

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Which equation is the equation of a line that is perpendicular to x + 2y = 16?
AnnyKZ [126]

Answer:

y=2x-2

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)

Perpendicular lines always have slopes that are negative reciprocals. For example, 2 and -1/2. 3/4 and -4/3.

To determine whether a line is perpendicular to x + 2y = 16, we must first determine its slope. Rearrange the given equation into slope-intercept form:

x + 2y = 16\\\\2y =-x+ 16\\\\y=\displaystyle -\frac{1}{2}x +\frac{16}{2} \\\\y=\displaystyle -\frac{1}{2}x +8

From this, we can clearly tell that the slope (<em>m</em>) of the line is \displaystyle -\frac{1}{2}.

The negative reciprocal of \displaystyle -\frac{1}{2} is 2. Therefore, the slope of a perpendicular line would be 2.

Therefore, the correct answer option would be y=2x-2.

I hope this helps!

8 0
3 years ago
Given: Triangles ABC and DBC are isosceles, m∠BDC = 30°, and m∠ABD = 155°. Find m∠ABC, m∠BAC, and m∠DBC.
just olya [345]
∠BDC=30, so ∠CBD + ∠BCD=180-30=150
ΔDBC is isosceles, so ∠CBD=∠BCD=half of 150=75
∠ABC=∠ABD-∠CBD=155-75=80
ΔABC is isosceles, so ∠ABC=∠ACB=80
∠BAC=180-80-80=20
7 0
4 years ago
Which investment might have more hidden costs than others?
GuDViN [60]

Answer:

C. Mutual Funds

Step-by-step explanation:

If you look it up, Mutual Funds seem to have more secrets and fees than other funds.

Have a nice day <3

5 0
3 years ago
Read 2 more answers
Given:
kozerog [31]

Answer:

code lazar

Step-by-step explanation:

8 0
3 years ago
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How do you calculate a t-test in SPSS?
Sergeu [11.5K]

Answer:

To run an Independent Samples t Test in SPSS, click Analyze > Compare Means > Independent-Samples T Test. The Independent-Samples T Test window opens where you will specify the variables to be used in the analysis. All of the variables in your dataset appear in the list on the left side.

6 0
3 years ago
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