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torisob [31]
3 years ago
12

Matt has answered 20 over 25 of the questions on a test. what percentage of the test question has Matt answered

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0
80% because 25 goes into 100 4 times and 20 times 4 equals 80.
lyudmila [28]3 years ago
6 0
So,

Matt answered 20 out of 25 questions.
\frac{20}{25}

We need to get the denominator to be 100.  We can do that by multiplying the fraction by a form of 1.
\frac{20}{25} *  \frac{4}{4} =  \frac{80}{100}

From here, it should be easy to see that Matt has answered 80% of his test.
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8. Kim works as a freelance writer and editor. She charges $14.12 per page for editing services and $0.20
dalvyx [7]

Answer:

Answer to question eight: $152.96

Step-by-step explanation:

$14.12 * 8 pages = $112.96

$0.20 * 200 words = $40

$112.96 + 40 = $152.96

7 0
3 years ago
The difference of 100 and x is 57.
zimovet [89]
X= 43

That’s the answer
7 0
2 years ago
Read 2 more answers
What is the value of the expression 100 - 92 ÷ 3?
lora16 [44]

Answer:

2.67

Step-by-step explanation:

100-92=8

8÷3

\sqrt[3]{8}

=2.67

8 0
3 years ago
Read 2 more answers
Which are solutions of the equation 4x2 – 7x = 3x + 24? Check all that apply.
SCORPION-xisa [38]

Answer:

{-3/2, 4}

Step-by-step explanation:

Use synthetic division here.  If the remainder is 0, then the divisor is a root or solution.

Here we have x = -4.  Perform the synthetic division as follows:

-4       4     -10    -24

                 -16     108

------------------------------

          4      -26     84              The remainder is 84, which tells us -4 is NOT

                                                a root/solution.

Try -3/2 as divisor this time:

-3/2    4     -10    -24

                   -6    24

------------------------------

          4      -16       0            Remainder is 0, so -3/2 is a solution

Show in the same manner that 4 is a solution also.  Or determine whether x - 4 satisfies 4x - 16 = 0 (it does).

8 0
3 years ago
Read 2 more answers
Part A: Solve the equation 4(x + 5) = 9x + 4x − 34, and show your work. (5 points)
nasty-shy [4]

The value of x in the equation 4(x + 5) = 9x + 4x − 34 is 6 after solving and applying properties.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have equation:

4(x + 5) = 9x + 4x − 34  (Given)

4x +20 = 9x + 4x − 34    (Distributive Property)

4x +20 +34 -4x = 9x + 4x − 34 + 34 -4x   (Subtraction Property of Equality)

54 = 9x + 4x − 34 + 34 -4x  (Addition Property of Equality)

54 = 9x  (Combine Like Terms)

x = 54/9   (Division Property of Equality)

x = 6

Thus, the value of x in the equation 4(x + 5) = 9x + 4x − 34 is 6 after solving and applying properties.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ1

3 0
1 year ago
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