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goldenfox [79]
3 years ago
10

What is 19.2x10^9 minutes in hours

Mathematics
1 answer:
maria [59]3 years ago
4 0

Answer:

19.2×10^9 =320000000

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An artist needs to paint a mural on a wall. The mural needs to be 15 feet high. The mural is to be drawn to scale
Illusion [34]

Answer:

225 feet

Step-by-step explanation:

if you multiply 15 x 15 you get 225

if this is wrong i am so sorry

3 0
3 years ago
Will mark brainliest, help me answer this question!
DanielleElmas [232]

Answer:

135 degrees

Step-by-step explanation:

  • Angle CBD is the sum of angle ABC and angle ABD, so we find these first
  • An Isosceles triangle has 2 equal sides and 2 equal angles
  • Isosceles triangle theorem tells us that the 2 equal angles are respectively opposite the equal sides
  • Since triangle ABC has sides AB=AC, then angle ACB = angle ABC
  • So knowing that angles of triangle add up to 180, then
  • \angle CAB+\angle ACB+\angle ABC=180\\(50)+\angle ACB+\angle ABC=180\\50-(50)+\angle ACB+\angle ABC=180-(50)\\\angle ACB+\angle ABC=130\\But,\angle ACB=\angle ABC,so\\(\angle ABC)+\angle ABC=130\\2\angle ABC=130\\\angle ABC=65
  • Now we do the next triangle to get ABD
  • Since triangle ABD has sides AB=BD, then angle BDA = angle BAD
  • So knowing that angles of triangle add up to 180, then
  • \angle BDA+\angle BAD+\angle ABD=180\\(55)+\angle BAD+\angle ABD=180\\But,\angle BDA=\angle BAD,so\\(55)+(55)+\angle ABD=180\\110+\angle ABD=180\\110-(110)+\angle ABD=180-(110)\\\angle ABD=70
  • Now we said, angle CBD is the sum of angle ABC and angle ABD, so
  • \angle ABC+\angle ABD=\angle CBD\\(65)+(70)=\angle CBD\\\angle CBD=135
3 0
3 years ago
Read 2 more answers
One of the products produced by Branco Food Company is All-Bran Cereal, which competes with three other brands of similar all-br
Ksju [112]

The question is incomplete. The complete question is :

One of the products produced by Branco Food Company is All-Bran Cereal, which competes with three other brands of similar all-bran cereals. The company's research office wants to investigate if the percentage of people who consume all-bran cereal is the same for each of these four brands. Let us denote the four brands of cereal by A B C and D. A sample of 900 persons who consume all-bran cereal was taken, and they were asked which brand they most often consume. Of the respondents, 201 said they usually consume Brand A, 224 consume Brand B, 299 consume Brand C, and 176 consume Brand D. Does the sample provide enough evidence to reject the null hypothesis that the percentage of people who consume all-bran cereal is the same for all four brands? Use alpha = 0.025. Find the value of the test statistic x^2. x^2 = the tolerance is +/-2% Using alpha = 0.025, can you conclude that the current percentage distribution is different from the hypothesized one? We conclude that the current percentage distribution from the hypothesized one.

Solution :

          A      B      C      D               Total

$o_i$      201   224   299  176            900

$e_i$      225  225    225  225

$X^2 =\sum \frac{(o_i-e_i)^2}{e_i} = 37.5733$

$X^2 = 9.3484$

We reject $H_0$

$\alpha = 0.025$ level

$H_0: A = B=C=D\ \ \ (1/4)$

$H_a: A,B,C,D $  are not equal.

The distribution is multinomial hypothetical distribution.

4 0
3 years ago
2v=x+40t solve for v<br>​
spin [16.1K]

Answer:

v=1/2x+20t

you have to divide both sides by 2 to isolate the variable

6 0
3 years ago
R(3, 3), S(–1, 6), and T(1, 8) are the vertices of /, and RX is a median.
Nitella [24]
a. (-1,-1) you can solve the vertices of / and RX is a median
4 0
3 years ago
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