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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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Nikitich [7]

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I’ll try to solve it in the comments if you still have time

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3 years ago
The cost of a jacket increased from $85.00 to $99.45. What is the percentage increase of the cost of the jacket?
trapecia [35]

Answer:

17%

Step-by-step explanation:

99.45-85=14.45

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For what value of the number k is the following function differentiable at x=2
d1i1m1o1n [39]

Answer:

For f(x) to be differentiable at 2, k = 5.

Step-by-step explanation:

For f(x) to be differentiable at x = 2, f(x) has to be continuous at 2.

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Now,

f(2 – h) = 2(2 – h) + 1 = 4 – 2h + 1 = 5 – 2h.

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Also

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3 years ago
Will give brainliest
fiasKO [112]

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Step-by-step explanation:

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The total cost in dollars for Larry to have his birthday party at a local
luda_lava [24]

Answer:

0 \leq p < 6

Step-by-step explanation:

Given

t = 6.95p + 29.95

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Required

Determine the domain

First, we need to solve for p

Substitute 70 for t in t = 6.95p + 29.95

70 = 6.95p + 29.95

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This implies that Larry can not invite up to 6 people.

Hence, the domain can be represented as: 0 \leq p < 6

7 0
3 years ago
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