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natka813 [3]
3 years ago
12

You owe four people $7 each. Yesterday you paid off your debt. Write two equations to show how much money you paid yesterday

Mathematics
1 answer:
Mademuasel [1]3 years ago
4 0
7+7+7+7=28
7x4= 28
If you are learning multiplication you can use those
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A boat can go 35 mph in still water. It takes as long to go 60 miles upstream as it does to go downstream 90 miles. How fast is
kap26 [50]

Answer:

not sure but i think its b

Step-by-step explanation:

4 0
3 years ago
Determine whether the given lengths can be sides of a right triangle. Which of the following are true statements? The lengths 14
devlian [24]

Answer:

The lengths 14, 24, and 26 cannot be the sides of a right triangle.  The lengths 30, 72, 78 can be the sides of a right triangle.

Step-by-step explanation:

To prove that the lengths 14, 24, and 26 cannot be the sides of a right triangle:

a=14, b=24, c=26

Pythagoreon theorem: a^2+b^2=c^2

substitute values in: 14^2+24^2=26^2

simplify: 196+576=676

simplify again: 772=676, which is not true

This proves that the lengths 14, 24, and 26 cannot be the sides of a right triangle.

To prove that the lengths 30, 72, and 78 can be the sides of a right triangle:

a=30, b=72, c=78

Pythagoreon theorem: a^2+b^2=c^2

substitute values in: 30^2+72^2=78^2

simplify: 900+5184=6084

simplify again: 6084=6084, which is true

This proves that the lengths 30, 72, and 78 can be the sides of a right triangle.

5 0
3 years ago
Read 2 more answers
If DM=45, what is the value of r?
amm1812

Answer:

15

Step-by-step explanation:

6 0
3 years ago
A restaurant serves chicken, roast beef and pork chops as a choice of meats. For choice of potatoes a customer may choice baked,
NNADVOKAT [17]

Answer:

48 combination

Step-by-step explanation:

3 meals × 4 type of potato × 4 type of vegetables

hope this helps

have a nice day <3

6 0
2 years ago
Sketch the sinusoidal function that passes through (0,-6) , has a period of 12 and an amplitude of 3
riadik2000 [5.3K]

The sinusoidal function that passes through (0,-6), has a period of 12 and an amplitude of 3 will be y = 3 sin 12x - 6.

What is a sinusoidal Function?

It is a function that repeats itself in a particular time interval.

The equation is given as

y = Asin (ωx + Ф) + k

We have

Amplitude (A) = 3

Period (ω) = 12

Phase difference (Ф) = 0

Then the equation will be

y = 3 sin 12x + k

The function is passing through (0, -6). Then we have

-6 = 3sin (12 × 0) + k

-6 = k

Then the equation will be

y = 3 sin 12x - 6

More about the sine function link is given below.

brainly.com/question/3876065

#SPJ1

4 0
2 years ago
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