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krek1111 [17]
3 years ago
7

A test grade was 92%. 60 items were correct. How many test items were there?

Mathematics
1 answer:
Anna11 [10]3 years ago
6 0
Set up an inequality:

\frac{92}{100}=\frac{60}{x}

Cross-multiply:
92x=6000
x=65 questions


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W = 13, x = 9, y = 1.9, z = 0.5<br><br><br> x2 + 4
prisoha [69]

Answer:

17 is the answer

Step-by-step explanation:

6 0
2 years ago
Choose the correct simplification of (4x − 3)(3x2 − 4x − 3).
tester [92]
(4x - 3)(3x^2 - 4x - 3) 

=4x\cdot \:3x^2+4x\left(-4x\right)+4x\left(-3\right)-3\cdot \:3x^2-3\left(-4x\right)-3\left(-3\right) 

=4x\cdot \:3x^2-4x\cdot \:4x-4x\cdot \:3-3\cdot \:3x^2+3\cdot \:4x+3\cdot \:3 

\mathrm{Simplify}\:4x\cdot \:3x^2-4x\cdot \:4x-4x\cdot \:3-3\cdot \:3x^2+3\cdot \:4x+3\cdot \:3:\quad 12x^3-25x^2+9 

=12x^3-25x^2+9
8 0
3 years ago
Round 6.09933418366 to 4 decimal places
Sergio039 [100]

Answer:

6.113 i believe to be so

6 0
3 years ago
How to determine if the function has x-axis sym, y-axis sym, and origin sym<br><br> y^2 -xy =2
n200080 [17]

To check for symmetry on the x axis, replace y with –y

-y^2 –x(-y) =2

<span> Apply the product rule, since the equation is not identical tot eh original equation it is not symmetric about the x axis</span>

<span> Now do the same for y axis by replacing x with –x</span>

<span> Again using product rule the equations are not identical, so it is not symmetric about the y axis</span>

<span> To check the origin,</span>

<span> Replace both x & y with –x  & -y</span>

Again using product rule, the equations are not identical so it is not symmetric about the origin


8 0
2 years ago
QUESTION 6,7,8 PLS HELP
nevsk [136]

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6) a.

7) d.

8) a.

I hoped this helped! Please mark me brainliest. Thanks!

8 0
2 years ago
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