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zloy xaker [14]
4 years ago
14

Find the remainder when x2 + 3x – 11 is divided by r –

Mathematics
1 answer:
TiliK225 [7]4 years ago
7 0

Answer:

-1

Step-by-step explanation:

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A toy manufacturer wants to know how many new toys children buy each year. A sample of 601 children was taken to study their pur
Lilit [14]

Answer:

The confidence interval is 6.6<μ<6.8.

Step-by-step explanation:

We have:

Number of observations = 601

Mean = 6.7

Standard deviation σ = 1.5

The z-score for a 95% confidence interval is 1.96.

The limits of the confidence interval can be calculated as

X \pm z*\frac{\sigma}{\sqrt{n}}\\\\LL=X-z*\frac{\sigma}{\sqrt{n}}=6.7-1.96*\frac{1.5}{\sqrt{601} } =6.7-0.1199=6.6\\\\UL=X+z*\frac{\sigma}{\sqrt{n}}=6.7+1.96*\frac{1.5}{\sqrt{601} } =6.7+0.1199=6.8

The confidence interval is 6.6<μ<6.8.

7 0
4 years ago
Simplify -3p - 2m + 8p - 7m
Nadya [2.5K]
After you combine like terms you will get 5p - 9m.

-3p + 8p is the same thing as 8p - 3, so you get 5p.
-2m + (-7m) is -9m

-3p and 8p are like terms.
-2m and -7m are also like terms.



7 0
4 years ago
What is the y-intercept of a line that has a slope of 1/4 and passes through point (8, 3)? 1 3 5 11
Paha777 [63]
Slope (m) = 1/4
slope-intercept format is: y = mx + b
point-slope format is: y-k = m (x-h), where the point is at (h, k)
So we plug in for that using the point (8, 3):
y-3 = 1/4(x-8)
y-3 = 1/4x - 2 --> solve for y:
y-3+3 = 1/4x -2 +3
y = 1/4x + 1 --> now it's in slope-intercept format where the b is the y-intercept, which is +1
4 0
3 years ago
Read 2 more answers
What is the surface area of a box with a height and width of 5 inches and a length of 8 inches ?
vodomira [7]

Answer:

210 sq in

Step-by-step explanation:

Box dimensions: 5 x 5 x 8

2 faces: 5 x 5 -> 2 * 5 * 5 = 50

4 faces: 5 x 8 -> 4 * 5 * 8 = 160

Total = 50 + 160 = 210 sq in

5 0
3 years ago
Which results only in a horizontal compression of Y =
likoan [24]

Answer:

B

Step-by-step explanation:

6 0
2 years ago
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