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Artyom0805 [142]
2 years ago
15

Simplify the variable expression by evaluating its numerical part.

Mathematics
1 answer:
Virty [35]2 years ago
6 0
You can use this one app it’s called Cymath it’s really helpful with these types of problems,
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Ami'yan runs every day for exercise at a rate of 1 kilometer every 15 minutes. How many meters does he run in 1 hour? - Thank yo
Alona [7]

Answer:

The total distance covered in 1 hour  is 4000 meters.

Step-by-step explanation:

The distance Ami'yan runs is 15 minutes = 1 kilometer

Using the unit formula,

The distance ran in 1 minute = (\frac{1}{15} ) \textrm{Kilometer}

Now, 1 hour = 60 minutes

⇒The distance covered in 60 minutes =  60 x (Distance run in 1 minute)

                                                               = 60 \times \frac{1}{15}    = 4

So, the distance covered in 1 hour  = 4 kilometer

1 kilometer = 1000 meters

⇒ 4 km =  4 x 1000 meters = 4000 m

Hence, the total distance covered in 1 hour  = 4000 meters.

6 0
2 years ago
HELP PLEASE. Write an equation for the graph shown. Be sure to use slope-intercept form
Leya [2.2K]

Answer:

-3x + 5

Step-by-step explanation:

"Rise over Run"

(0, 5) => (1,2): Goes down (negative slope) 3 units and right 1 unit.

The Y intercept is 5 so the constant is 5.

5 0
3 years ago
SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!
stiv31 [10]

ANSWER

a=-2, b=3

EXPLANATION

The given equation is

(a {x}^{2})( - 6 {x}^{b}  ) = 12 {x}^{5}

Recall that:

{a}^{m}  \times  {a}^{n}  =  {a}^{m + n}

We simplify the left hand side to get:

- 6a {x}^{2 + b}  = 12 {x}^{5}

For this equation to be true, we must have:

-6a=12 and 2+b=5

This implies that,

a=-2 and b=3

6 0
3 years ago
Chandra said she could paint 7 out of 20 toys for the toy drive. Tuesday, she painted 4. What percent of the 20 toys does she st
vredina [299]

Answer:

80%

Step-by-step explanation:

out of 20, 1 would be 5%  

4 = 20%

100% -  20% = 80%

6 0
2 years ago
Please help me! I really need it. ...You deposit 1500 every month starting today in an investment account but would withdraw 750
photoshop1234 [79]

Answer: multiply 750 and 12

Divide that by the 14%

Step-by-step explanation:

5 0
2 years ago
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