3 years ago

1 + 69 - (6x+4) x 2 = ?

Mathematics

1 answer:

Afina-wow [57]3 years ago

8 0

Answer is: -12x + 62

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I need help on these please, also explain how you got the answer please ♡

SIZIF [17.4K]

27. N > -1
29. T < 2
31. K= -12
33. 30= 4m + 2
Answer: m = 7

7 0

2 years ago

3) Solve the problem using your graphing calculator. Round all para meter values to the nearest hundredth.

Mama L [17]

Answer:

mmm, well, not much we can do per se, you'd need to use a calculator.

I'd like to point out you'd need a calculator that has regression features, namely something like a TI83 or TI83+ or higher.

That said, you can find online calculators with "quadratic regression" features, which is what this, all you do is enter the value pairs in it, to get the equation.

Step-by-step explanation:

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2 years ago

For this graph, mark the statements that are true.<br><br> I need help pls

alina1380 [7]

HOWWW DID U ADD A PIC

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3 years ago

Which angle is congruent to ^^^

Montano1993 [528]

Answer:

Step-by-step explanation:

∠4=∠1

6 0

2 years ago

A student wants to estimate the mean score of all college students for a particular exam. First use the range rule of thumb to m

Wewaii [24]

Answer:

See explanation below

<u>Step-by-step explanation:</u>

range = 2200 - 300 = 1900

To find standard deviation, we have:

standard deviation = range/4 = $\frac{1900}{4}$ = 475

The range rule of thumb estimate for the standard deviation is 475

Given:

Standard deviation, $\sigma$ = 475

Margin of Error, ME = 100

$\alpha$ = 1 - 0.90 = 0.10

Za/2 = Z0.05 = 1.64

Find sample size, n:

n ≥ $[Z_\alpha_/_2 * (\frac{\sigma}{ME})]^2$

n ≥ $[1.64 * (\frac{475}{100})]^2$

n ≥ 60.68

≈ 61

Minimun sample size,n = 61

5 0

3 years ago