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Nat2105 [25]
3 years ago
6

Lines l and k are parallel to each other. mA=120 degrees. and mC=80 degrees. What is the number of degrees in mB??

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

45

Step-by-step explanation:

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Jin is training for the 50 meter dash. Each day that he trains, he runs the dash six times. Last week, he trained for four days.
iragen [17]

Answer:

1 1/2 kilometers

Step-by-step explanation:

If he runs 3000 meters every day and then trains for 5 days that means he ran 1 1/2 kilometers

3 0
3 years ago
Which 2-digit number is equal to the sum of its first digit plus the square of its second digit?
LenaWriter [7]
Let, the two-digit number = xy

It is given that, xy = x + y²

Then, number which obey the rule is 89.

Check: 8 + 9² = 8 + 81 = 89 [ Itself ]

In short, Your Answer would be: 89

Hope this helps!
8 0
3 years ago
8 copies of the sum of 4 thirds and 2 more? (Show your work)
KengaRu [80]

Answer:

40

Step-by-step explanation:

8copies of sum 4/3 and 2

So let's solve

Sum of 4/3and 2

4/3+2

Lcm is 3

4+6/2

10/2

5

8copies means 8 multiply by the sum of 4/3 and 2

So 8(5)

=40

So the answer is 40

6 0
3 years ago
Jonathan bought 6 cans of paint and 2/3 of a pint of special paint additive formulated to reduce mildew. Before painting his hou
gayaneshka [121]

Answer:

1/9 pint

or 2/9 cup

Step-by-step explanation:

This question is asking us to <em>divide </em>2/3 pint among 6 cans.

2/3 ÷ 6

2/3 × 1/6

 = 2/18

 = 1/9 pint or 2/9 cup additive

5 0
3 years ago
Determine the equation of the line that passes through the given points. (If you have a graphing calculator, you can use the tab
siniylev [52]

Answer:

y = -2x

Step-by-step explanation:

It passes through -5, 10 and 5, -10

gradient = Δy/Δx

gradient = -10 - 10 / 5 -- 5

gradient = -20 / 10

gradient = -2

let's use -5, 10 for y = mx + b

10 = -2(-5) + b

10 = 10 + b

b = 10 - 10

b = 0.

the equation of the line is just y = -2x

6 0
2 years ago
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