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seraphim [82]
3 years ago
10

Determine the intercepts of the line

Mathematics
1 answer:
abruzzese [7]3 years ago
6 0
−
4
x
+
7
=
2
Step 1: Subtract 7 from both sides.
−
4
x
+
7
−
7
=
2
−
7
−
4
x
=
−
5
Step 2: Divide both sides by -4.
−
4
x
−
4
=
−
5
−
4
x
=
5
4
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In parallelogram PQRS, find the value of angle SPR if angle RSP is 75° and angle PRS is 39°.
Mazyrski [523]
The two angles given are two angles of a triangle, so the third angle must be:

SPR=180-RSP-PRS

SPR=66°
4 0
3 years ago
Find the area of the parallelogram shown.
ziro4ka [17]

Answer:

40 Yd^2

Step-by-step explanation:

Take out the 7 from that problem and multiply the regular shape so whats 8 times 5?

8 0
3 years ago
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The table below shows data from a survey about the amount of time students spend doing homework each week. The students were in
nadezda [96]

Answer:

The correct option is;

Both spreads are best described by the standard deviation

Step-by-step explanation:

The given information are;

,                                    College                       High School

High,                              20                               20

Low,                                6                                 3

Q₁,                                   8                                 5.5

Q₃,                                  18                                16

IQR,                                 10                                10.5

Median,                           14                                11

Mean,                              13.3                             11

σ,                                      5.2                             5.4

Checking for outliers, we have

College

Q₁ - 1.5×IQR gives 8 - 1.5×10 = -7

Q₃ + 1.5×IQR gives 18 + 1.5×10 = 33

For high school

Q₁ - 1.5×IQR gives 5.5 - 1.5×10.5 = -10.25

Q₃ + 1.5×IQR gives 16 + 1.5×10.5 = 31.75

Therefore, there are no outliers and the data is representative of the population

From the data, for the college students, it is observed that the difference between the mean, 13.3 and Q₁, 8, and between Q₃, 18 and the mean,13.3 is approximately the standard deviation, σ, 5.2

The difference between the low and the high is also approximately 3 standard deviations

Therefore the college spread is best described by the standard deviation

Similarly for the high school students, the IQR is approximately two standard deviations, the  difference between the mean, 11 and Q₁, 5.5, and between Q₃, 16 and the mean,11 is approximately the standard deviation, σ, 5.4

Therefore the high school spread is also best described by the standard deviation.

4 0
3 years ago
Identifying roots - Pre calculus stuff
umka2103 [35]

The answers are 0 and 2

This can be found by looking at the x axis and finding every point where the line crosses

4 0
3 years ago
Can someone help me with this please!
Vinil7 [7]

Answer:

This is really easy, take away all 1s and multiplication sign.

Step-by-step explanation:

And then it means 25=25

3 0
2 years ago
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