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ira [324]
3 years ago
6

In the figure, angle D measures 31° and angle A measures 27°.

Mathematics
2 answers:
OverLord2011 [107]3 years ago
8 0
Angle b is 63
Angle f is 59
lubasha [3.4K]3 years ago
4 0
In the angle name, it'd be in Acute.
But for degrees, it'd be at 58*, because I saw that the A and D angles were 31, and 27, so I got 58.
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(NEED HELP WITH NUMBER 1!!!)
alexandr1967 [171]

Answer:

35 ia the answer sorry if im wrong

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3 years ago
1. 2x + 2y = 10
liq [111]
Hopefully this helped! I used the substitution method

3 0
3 years ago
How to Graph −12x+18y=34.
andriy [413]

You can graph this two ways. You can change it into slope intercept form, y=mx+b, or find the x- and y-intercepts. To change it to slope intercept form you would need to add 12x to both sides and divide both sides by 18. By doing this, you'd get y=2/3x+17/9. You'd then go up on the y-axis to 17/9 or 1.89 and place a point. You'd then go up two and to the right three and place another point. You can do this one more time and connect the points. To find the x- and y- intercepts you would plug 0 in for x and solve for y, getting 17/9, and plug 0 in for y and solve for x, getting -17/6. You'd then plot the points (-17/6, 0) and (17/9) and connect the points forming a line.

8 0
4 years ago
Factor 36x^2 + 11x-12 please hurry​
xz_007 [3.2K]

Answer:

The answer is

<h2>(9x - 4)(4x + 3)</h2>

Step-by-step explanation:

36x² + 11x - 12

To factor the expression rewrite 11x as a difference

That's

36x² + 27x - 16x - 12

<u>Factor out 9x from the expression</u>

9x( 4x + 3) - 16x - 12

<u>Factor out - 4 from the expression</u>

9x( 4x + 3) - 4( 4x + 3)

Factor out 4x + 3 from the expression

We have the final answer as

<h3>(9x - 4)(4x + 3)</h3>

Hope this helps you

5 0
4 years ago
Read 2 more answers
Suppose that administrators of a large school district wish to estimate the proportion of children in the district enrolling in
11Alexandr11 [23.1K]

Answer:

95% z-confidence interval for the proportion of all children enrolled in kindergarten who attended preschool is between a lower limit of 0.528 and an upper limit of 0.772.

Step-by-step explanation:

Confidence interval = p + or - zsqrt[p(1-p) ÷ n]

p is sample proportion = 39/60 = 0.65

n is the number of children sampled = 60

Confidence level (C) = 95% = 0.95

Significance level = 1 - C = 1 - 0.95 = 0.05

Divide significance level by 2 to obtain critical value (z)

0.05/2 = 0.025 = 2.5%

z at 2.5% significance level = 1.96

zsqrt[p(1-p) ÷ n] = 1.96sqrt[0.65(1-0.65) ÷ 60] = 1.96sqrt[0.2275 ÷ 60] = 1.96sqrt(3.792×10^-3) = 1.96×0.062 = 0.122

Lower limit = p - 0.122 = 0.65 - 0.122 = 0.528

Upper limit = p + 0.122 = 0.65 + 0.122 = 0.772

95% confidence interval is between 0.528 and 0.772

5 0
3 years ago
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