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gizmo_the_mogwai [7]
3 years ago
9

It takes one examiner 40 hours to mark 100 exam papers.

Mathematics
1 answer:
krok68 [10]3 years ago
3 0

Answer:

10

Step-by-step explanation:

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If measure of angle 1=30, then measure of arc ab=
Mnenie [13.5K]
An arc of a circle has the same measure as the central angle that intercepts it.

Central angle 1 intercepts arc AB.

The measure of central angle 1 is the same as the measure of angle AB.

The measure of arc AB is 30 deg.
5 0
2 years ago
Which lines are perpendicular to the line y - 1 = 1/3 (x+2)? Check all that apply.
ioda

Answer: Options 1, 3, 5

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals, so since the slope of the given line is 1/3, we need to find lines with a slope of -3.

  • Option 1 has a slope of -3.
  • Option 2 has a slope of 3.
  • Option 3 has a slope of -3.
  • Option 4 has a slope of 1/3.
  • If we subtract 3x from both sides, we get y=-3x+7, so option 5 has a slope of -3.
7 0
2 years ago
Need help in algebra fast <br> Please help
Bogdan [553]

Answer:

A

Step-by-step explanation:

because it's not equal to it is dashes ----

8 0
3 years ago
Can a -150/10 be classified as both a rational number and a integer
irakobra [83]
Yes! This is because -150/10 can be simplified to be -15, which is a rational number.

The word “rational” sounds like another math word you’ve heard of before. Do you know what it is?

Well, it’s “ratio”!! Ratios can be seen in the forms x:y and x/y.


ANY RATIONAL NUMBER HAS THE ABILITY TO BE WRITTEN AS A RATIO!! This will completely exclude numbers with super long decimal points (ex: 1.2345678809928374737272828...)

This number also meets the requirements of being an integer. An integer is any whole number (this excludes decimals and fractions)

I know it’s written as a fraction. However, the fraction could be simplified, making it -15, which means this is both a rational number and an integer!!
6 0
3 years ago
salad dressing is made by mixing lemon juice and oil in the ratio 5:4. eleanor makes 900ml of the salad dressing how much lemon
xxTIMURxx [149]

Answer:

500 ml.

Step-by-step explanation:

5:4, right?

5 + 4 = 9

There's your answer, friend!

7 0
2 years ago
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