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Olenka [21]
2 years ago
7

Convert each fraction to a decimal. A. 4/5 B. 3/40 C. 8/200

Mathematics
2 answers:
AlladinOne [14]2 years ago
5 0

Answer:

A) 0.8

B) 0.075

C) 0.04

Step-by-step explanation:

All you have to do is divide the numerator by the denominator.

Hope this helps! :)

Dimas [21]2 years ago
3 0

Answer:

for 4/5 its 8.8

for 3/40 its 0.075

for 8/200 its 0.04

Step-by-step explanation:

if correct mark brainliest pls

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Givien h(x) = -x- 5, find h(-6)
garik1379 [7]

Answer:

h(-6) = 1

Step-by-step explanation:

Hello!

Substitute -6 for x in the equation.

<h3>Evaluate</h3>
  • h(x) = -x - 5
  • h(-6) = -(-6) - 5
  • h(-6) = 6 - 5
  • h(-6) = 1

h(-6) is 1.

3 0
1 year ago
Christine has always been weak in mathematics. Based on her performance prior to the final exam in Calculus, there is a 40% chan
azamat

Answer:

There are a 25% probability that Christine fails the course.

Step-by-step explanation:

We have these following probabilities:

A 50% probability that Christine finds a tutor.

With a tutor, she has a 10% probability of failling.

A 50% probability that Christine does not find a tutor.

Without a tutor, she has a 40% probability of failing.

Probability that she fails:

10% of 50%(fail with a tutor) plus 40% of 50%(fail without a tutor). So

P = 0.1*0.5 + 0.4*0.5 = 0.25

There are a 25% probability that Christine fails the course.

6 0
3 years ago
Six more than five times a number (x) is at least twenty-one
I am Lyosha [343]
The answer to this would be 5x+6>=21. Just wanted points :P
3 0
3 years ago
Use a net to find the surface area of the right triangular prism shown:
vazorg [7]

The surface area of the right triangular prism is 270 sq ft

<h3>Total surface ara of the prism</h3>

The total surface area of the prism is the  sum of all the area of its faces

For the two triangles

A = 2(0.5bh)

A = bh

A = 7 * 12 = 84 sq.ft

For the two rectangles

A = 2lw

A = 2(6*12)

A = 2 * 72 = 144 sq.ft

For the third triangle;
Area  6ft * 7ft

Area = 42 sq.feet

Taking the sum of the areas

TSA = 84 + 144 + 42

TSA  = 270 sq ft

Hence the surface area of the right triangular prism is 270 sq ft

Learn more on surface area of prism here; brainly.com/question/1297098

3 0
2 years ago
How much of other chemicals must be evaporated from 400 grams of a hand sanitizer
yulyashka [42]

Answer:

24 g

Step-by-step explanation:

We first find the mass of 24 % alcohol in 400 g of hand sanitizer. Let x be the mass of alcohol. So, x/400 × 100 % = 24 %

x/400 = 0.24

x = 0.24 × 400

  = 96 g

The mass of the other chemicals is thus 400 g - 96 g = 304 g

We now find the mass of 30 % alcohol in 400 g of hand sanitizer. Let y be the mass of alcohol. So, y/400 × 100 % = 30 %

y/400 = 0.30

y = 0.30 × 400

  = 120 g

The mass of the other chemicals is thus 400 g - 120 g = 280 g

The mass of other chemicals that needs to be evaporated is thus 304 g - 280 g = 24 g

5 0
2 years ago
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