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IrinaK [193]
2 years ago
8

What is f(3) for the function f(x) = 5x + 7?

Mathematics
1 answer:
Tema [17]2 years ago
8 0
The answer would be 8
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The volume of cube is 343 cubic centimeters.What is the suface area of the cube
Ann [662]
The cube root of 343 is 7.
One side has an area of 7*7 = 49 square cm
There are 6 sides to a cube
6 * 49 is the surface area = 294
7 0
3 years ago
Pls help meeeeeeeeeeeee
Solnce55 [7]

Answer:

24%

Step-by-step explanation:

there are 50 numbers total

number of 4's: 7
number of 7's: 5

it's asking for the odds of a 4 or a 7 meaning that they're fine with either one. that means you can ADD the number of them up!

7 + 5 = 12

to get the odds, we need to divide!

  • 12/50 = ?
  • .24

convert that into a percent!

24%

let me know if you're still confused :))

7 0
2 years ago
A car is going 50 miles per hour. A rate that describes this would have units of
Over [174]

Answer:

mph or miles per hour

Step-by-step explanation:

5 0
2 years ago
Find the area of an equilateral triangle with side length 9.2 cm. Round your answer to 1 DP.
lbvjy [14]

Answer:

Area=36.66 cm^2

Step-by-step explanation:

First, you need the height.

Use the Pythagorean theorem:

hypotenuse^2=height^2+(1/2 base)^2  

It's one-half base because it's an equilateral triangle.

1/2 base =4.6

(9.2)^2-4.6^2=height^2

84.64-21.16=height^2

height^2=63.48

height=7.97

Area=(1/2)(base)(height)

Area=(1/2)(9.2)(7.97)=36.66 cm^2

3 0
2 years ago
I need help...cause i’m confused
Arisa [49]

the answer is d thats what im choosing because i recall doing a similar problem to this

6 0
3 years ago
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