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Basile [38]
2 years ago
15

Find arc JK BRAINLIEST,POINTS,THANKS AND RATING GIVEN!!!

Mathematics
1 answer:
nikklg [1K]2 years ago
8 0
Answer: 164
x = 19

Explanation: The equation you would make is:

250 = 7x + 117.

Or you could also do :

125 = 1/2 ((7x + 31) + (86)) ; they both come out as the same answer.
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Hey want help me??!! ill mark you as brainn!!pleasee!
Andru [333]

Answer:

Here, length is 8 in. Width is 4in. and height is (3+3+3)=9 in. Then use the formula.

A= 2wl+2hl+2hw

= 2×4×8 + 2×9×8+2×9×4

=280 inch²

4 0
3 years ago
Which of the following is a polynomial with roots
PtichkaEL [24]
a(x-x_1)(x-x_2)(x-x_3)\\\\x_1=-\sqrt3;\ x_2=\sqrt3;\ x_3=-2;\ a=1\\\\subtitute\\\\(x+\sqrt3)(x-\sqrt3)(x+2)=(x^2-3)(x+2)\\\\=\boxed{x^3+2x^2-3x-6}\to\fbox{B.}
5 0
3 years ago
Read 2 more answers
Which of the following expressions is equivalent to the expression below?
Verizon [17]
I am pretty sure the answer is A. 16x+2
5 0
4 years ago
Read 2 more answers
A population has a mean of 300 and a standard deviation of 40. Suppose a sample of size 100 is selected and is used to estimate
bazaltina [42]

Answer:

a: 0.9544 9 within 8 units)

b: 0.9940

Step-by-step explanation:

We have µ = 300 and σ = 40.  The sample size, n = 100.  

For the sample to be within 8 units of the population mean, we would have sample values of 292 and 308, so we want to find:

P(292 < x < 308).

We need to find the z-scores that correspond to these values using the given data.  See attached photo 1 for the calculation of these scores.

We have P(292 < x < 308) = 0.9544

Next we want the probability of the sample mean to be within 11 units of the population mean, so we want the values from 289 to 311.  We want to find

P(289 < x < 311)

We need to find the z-scores that correspond to these values.  See photo 2 for the calculation of these scores.

We have P(289 < x < 311) = 0.9940

5 0
3 years ago
How many cubic centimeters of water can this paper cone cup hold?
Igoryamba

Answer:

150.72 cubic centimeter

Step-by-step explanation:

Given:-

Height of cone (h) = 9cm

Diameter of cone(d)=8cm

radius of cone(r)=\frac{d}{2}=\frac{8}{2} =4cm

To calculate= Volume of cone(V_{cone})

Volume\ of\ cone(V_{cone}) =\frac{1}{3} \times \pi \times r^{2} \times h

=\frac{1}{3} \times 3.14\times 4^{2} \times 9

Volume of cone(V_{cone}) =150.72\ cubic\ centimeter

Therefore paper cone cup can hold 150.72 cubic centimeter of water.

5 0
3 years ago
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