MATHEMATICS HIGH SCHOOL

Orval mows lawns to earn money. He can mow 12 lawns in 4 hours. He earns $15.00 for each lawn. Orval is saving up to buy a new computer that costs $450.00. How many hours does Orval need to work to earn enough money to purchase the computer?

Answers

Answer 1
Answer:

Answer: 10 hours

Step-by-step explanation:

happy to help

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HELP! The Last option is none of the above
The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100.Using the empirical rule, what is the probability that a randomly selected score lies between 500 and 700? Express your answer as a decimal.
Sidney bought two magazines that were each $5. If Sidney paid a total of $10.70 for the two magazines with tax,what percent tax did she pay for her purchase?
Match the reasons with the statement.Given: 12 - x = 20 - 5 xTo Prove: x = 21. Division property of equalityA. 12 - x = 20 - 5 x2.Subtraction property of equalityB. 12 + 4 x = 203. Addition property of equalityC. 4 x = 84. givenD. x=2
If the complex number x = 3 + bi and |x|^2 = 13, which is a possible value of b?

14. A polygon ABCD is inscribed in a circle. Find angle ABC15. A polygon GHIJ is inscribed in a circle if GHI=76 and HIJ=66 what is IJG

Answers

Answer:

m<ABC = 100degrees

m<IJG = 104degrees

Step-by-step explanation:

14. The sum of the opposite angle of the quadrilateral is 180degrees. Hence;

m<ADC + m<ABC = 180

3y+8+4y+4 = 180

7y + 12 = 180

7y = 180 - 12

7y = 168

y = 168/7

y = 24

Get <ABC

m<ABC  = 4y+4

m<ABC = 4(24) + 4

m<ABC = 96 + 4

m<ABC = 100degrees

15. Similarly for this;

GHI + IJG = 180

76 + m<IJG = 180

m<IJG = 180 - 76

m<IJG = 104degrees

jill is making a long cape she needs 4 1/3 yards of blue fabric for the outside of the cape she needs 3 2/3 yards of purple fabric for the lining of the cape

Answers

Answer:

Jill needs 8 yards of fabric to make a cape.

Step-by-step explanation:

Givens

  • Jill needs 4 1/3 yards of blue fabric for the outside of teh cape.
  • Also she needs 3 2/3 yards of purple fabric for the lining.

In order to know the total number of yards Jill needs to make a cape, we first need to transform each mixed number into fraction. We do that multiplying the whole part with the denominator and then adding it to the numerator, as follows

4(1)/(3)=(13)/(3) \n3(2)/(3)=(11)/(3)

Then, we sum both fractions

(13)/(3) +(11)/(3)=(13+11)/(3)=(24)/(3) =8

Therefore, Jill needs 8 yards of fabric to make a cape.
Hey there, just subtract 4 1/3 from 3 2/3 to get your answer. 4 1/3=13/3 and 3 2/3=11/3, 13*3-11*3/3*3=39-33/9=6/9, 6/9 simplified is 2/3

Determine if triangle XYZ with coordinates X(1, 1), Y(5, 6), and Z(6, 2) is a right triangle.

Answers

Answer:

Yes.

Step-by-step explanation:

If you graph it you can see that they all the points match up to the perfect right triangle. You may have to rotate it to see it though. Point Z is the angle of the triangle that is the corner of the 90 degree triangle.

This is a construction of

Answers

Answer: stream dynamite

Step-by-step explanation: i dont understand the question

A line that passes through the point (–1, 3) has a slope of 2. Find another point on the line.a. (–3, 2)
b. (1, 4)
c. (1, 5)
d. (0, 5)

Answers

Using the slope-intercept form of a line, the equation can be generated
y = mx + b

m = 2
and we can solve for b by substituting the given coordinates where the line passes through
3 = 2(-1) + b
b = 5

So, the equation of the line is
 y = 2x + 5

Trying the options using the equation, the answer is
d. (0,5)

Work out the area of a parallelogram of base 10cm and height 7cm.

Answers

10*7=70cm2 so 70cm2 is the answer hope it helps
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