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tresset_1 [31]
3 years ago
10

To pass a quiz, students need a score of at

Mathematics
2 answers:
zepelin [54]3 years ago
8 0

32 ÷ 40 × 100 = 80%

that's all

attashe74 [19]3 years ago
7 0

Answer:

80%

Step-by-step explanation:

% required = passing/total points *100%

= 32/40 * 100%

= 4/5 * 100%

= 80%

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Question
Mashutka [201]

The equivalent value of given the expression is -17.25. Therefore, option C is the correct answer.

<h3>What is an equivalent expression?</h3>

Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.

The given expression is -14-8×0.5+0.75.

Now, -14-8×0.5+0.75

= -14-(8×0.5)+0.75

= -14-4+0.75

= -18+0.75

= -17.25

The equivalent value of given the expression is -17.25. Therefore, option C is the correct answer.

To learn more about an equivalent expression visit:

brainly.com/question/28170201.

#SPJ2

4 0
2 years ago
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Each test contains 20 questions. In average, it takes a person to take each test 40 minutes. If I was to get stuck in one out of
kondor19780726 [428]

I think the answer is 144 minutes

4 0
3 years ago
Which two functions are inverses of each other?
liraira [26]

Answer:

Option 3 - f(x)= 4x, g(x) = \frac{1}{4}x

Step-by-step explanation:

To find : Which two functions are inverses of each other?

Solution :

Two functions are inverse if f(g(x))=x=g(f(x))

Now, we find one by one

1) f(x)= x, g(x) = -x

f(g(x))=f(-x)=-x\neq x

Not true.

2) f(x)= 2x, g(x) = -\frac{1}{2}x

f(g(x))=f(-\frac{1}{2}x)=2\times(-\frac{1}{2}x)=-x\neq x

Not true.

3) f(x)= 4x, g(x) = \frac{1}{4}x

f(g(x))=f(\frac{1}{4}x)=4\times(\frac{1}{4}x)=x

g(f(x))=f(4x)=\frac{1}{4}\times 4x=x

i.e. f(g(x))=x=g(f(x)) is true.

So, These two functions are inverse of each other.

4) f(x)= -8x, g(x) =8x

f(g(x))=f(8x)=8\times(-8x)=-64x\neq x

Not true.

Therefore, Option 3 is correct.

6 0
3 years ago
A rocket is launched in the air. Its height (in meters above sea level) as a function of time (in seconds) is given by h(t)=−4.9
natulia [17]

Answer:

Im just getting free point :D

Step-by-step explanation:

Pls thx to get me more points ;D

7 0
3 years ago
The volume of the cylinder
sattari [20]

Answer:

15550.88

Step-by-step explanation:

the formula for the volume of a cylinder is πr^2(h), so plug in height and radius, and you have the answer.

5 0
3 years ago
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