3 years ago

If you have 49 questions on a test what score must you get to pass the test?

1 answer:

7 0

Well, on every test I have at a school and I believe most schools do this. You need at leasr 80% to pass. But to pass you'd most likely need 80% or 70%. But if you get an 80% you'll be sure to pass! I hope this helps you!

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Work out 140-3^2×(8+4)+6÷2

kiruha [24]

Answer:

140 - 9 (12) + 3

140 - 108 +3

140 - 111

= 29

4 0

2 years ago

What are the solutions of the quadratic equation? 4x^2+34x+60=0

insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$4x^{2} +34x+60=0$

$a=4\\b=34\\c=60$

substitute in the formula

$x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}$

$x=\frac{-34(+/-)\sqrt{196}} {8}$

$x=\frac{-34(+/-)14} {8}$

$x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}$

$x_2=\frac{-34(-)14} {8}=-6$

6 0

2 years ago

a dance instructor earned $75 for teaching three classes The instructor receives a 10% raise enter how much the instructor earns

Tamiku [17]

Answer:

82.50

Step-by-step explanation:

4 0

2 years ago

Given the explicit rule, f(n) = 2n - 3, generate the first four terms in the sequence.

Vikki [24]

Answer: -1, 1, 3, 5

Step-by-step explanation:

F(n)= 2n-3

F(1)=2(1)-3= -1

F(2)=2(2)-3= 1

F(3)=2(3)-3= 3

F(4)=2(4)-3=5

5 0

3 years ago

An animal park has lions,tigers and zebras 17% a lions 3/10 a zebras what % is the tigers

lawyer [7]

17% are lions, 3/10 = 30% are zebras, therefore the remaining 100 - 47 = 53% of animals are tigers.

3 0

3 years ago

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If you have 49 questions on a test what score must you get to pass the test?​

If you have 49 questions on a test what score must you get to pass the test?