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2 years ago

14

LITTLE HELP PLEASE!!

2 answers:

olchik [2.2K]2 years ago

6 0

"DEF" and "FED" are the two angles among the choices given in the question that has a vertex at E. The correct options among all the options that are given in the question are option "A" and option "B". I hope that this is the answer that you were looking for and it has come to your desired help.

Hunter-Best [27]2 years ago

4 0

Answer:

DEF and FED

Step-by-step explanation:

vertex is the middle letter

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**The domain of f(x) = 3x + 2 is<br> {-1 in the range?

harkovskaia [24]

Answer:

Yes

Step-by-step explanation:

Graph this function on your calculator and you will see an upwards graph, if the range (y), -1 can be mapped on the graph, it is within the range.

6 0

2 years ago

Point A (5, 6) is translated 3 units left and 5 units up, what are<br> the coordinates of A prime?

Radda [10]

Answer:

A' = (8, 11)

Explain:

5+3=8 & 6+5=11

3 0

2 years ago

HELP ASPAP!!!!! WILL MARK BRAINIEST standard deviation

Umnica [9.8K]

Answer:

The standard deviation of the given data is 11.34.

Step-by-step explanation:

We have to find the standard deviation for the given data;

Grade on No. of students

test (X) with that score (f) $X \times f$ $( X - \bar X)^{2}$ $f \times ( X - \bar X)^{2}$

50 1 50 1073.218 1073.2176

57 2 114 663.578 1327.1552

60 4 240 518.018 2072.0704

65 3 195 315.418 946.2528

72 3 216 115.778 347.3328

75 12 900 60.218 722.6112

77 10 770 33.178 331.776

81 6 486 3.098 18.5856

83 6 498 0.058 0.3456

88 9 792 27.458 247.1184

90 12 1080 52.418 629.0112

92 12 1104 85.378 1024.5312

95 2 190 149.818 299.6352

99 4 396 263.738 1054.9504

100 <u> 5 </u> <u> 500 </u> 297.218 <u> 1486.088 </u>

Total <u> 91 </u> <u> 7531 </u> <u> 11580.68 </u>

Firstly, the mean of the above data is given by;

Mean, $\bar X$ = $\frac{\sum X \times f}{\sum f}$

= $\frac{7531}{91}$ = 82.76

Now, the standard deviation of the data is given by;

Standard deviation, S.D. = $\sqrt{\frac{\sum f(X-\bar X)^{2} }{\sum f-1}}$

= $\sqrt{\frac{11580.68}{91-1}}$

= 11.34

Hence, the standard deviation of the given data is 11.34.

5 0

3 years ago

Which unit rate corresponds to the proportional relationship shown in the graph?

jeka57 [31]

Answer:

i think the answer is 1.33cm/s

Step-by-step explanation:

you have to use m=y2-y1/x2-x1

4 0

3 years ago

Please I really need help, this is my final

Paul [167]

Answer:

6.12

Step-by-step explanation:

tan 27≈0.51

Know that tan= $\frac{opposite}{adjacent}$

0.51= $\frac{x}{12}$

Multiply 12 on both sides

6.12=x

3 0

2 years ago