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3 years ago

What is equivalent to 31/50 in fraction form

Mathematics

1 answer:

tigry1 [53]3 years ago

6 0

$\frac{31}{50} = \frac{31}{50} \times \frac{2}{2} =\boxed{\bf{ \frac{62}{100} }}$

62/100 is equivalent to 31/50.

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A file Mrs. Campbell wants to download says it will take about 32 minutes. Her computer says 24 minutes have passed since the do

IRINA_888 [86]

75%
32•.75=24
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3 0

3 years ago

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Consider the quadratic equation 2x² + 72 + k = 0. Which value of k results in the equation having complex solutions?

postnew [5]

Hi there!

$\large\boxed{k> 6.125}$

We can use discriminants to determine the value of k for which the equation would have complex solutions. (Those involving i)

If b² - 4ac < 0, then the equation will have complex solutions. Therefore:

Plug in the given values of b and a to solve:

7² - 4(2)(k) < 0

Simplify:

49 - 8k < 0

Solve the inequality:

49 < 8k

6.125 < k

k > 6.125. Anything greater than 6.125 would result in complex solutions.

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2 years ago

Find the measure of Q, the smallest angle in the triangle whose sides have lengths 4-5, and 6. Round the measure to the nearest

kakasveta [241]

<u>Given</u>:

Given that PQR is a triangle.

The measures of the sides of the triangle are 4,5 and 6.

We need to determine the measure of ∠Q.

<u>Measure of ∠Q:</u>

The measure of ∠Q can be determined using the law of cosines formula.

Thus, we have;

$\cos (Q)=\frac{p^{2}+r^{2}-q^{2}}{2 p r}$

Substituting p = 6, q = 4, r = 5, we get;

$\cos (Q)=\frac{6^{2}+5^{2}-4^{2}}{2 (6)(5)}$

Simplifying, we get;

$\cos (Q)=\frac{36+25-16}{2 (30)}$

$\cos (Q)=\frac{45}{60}$

Dividing, we get;

$\cos (Q)=0.75$

$Q=cos^{-1}(0.75)$

$Q=41^{\circ}$

Thus, the measure of ∠Q is 41°

Hence, Option b is the correct answer.

4 0

2 years ago

Shelly states that the triangles below are similar. Which proportion supports her statement?

choli [55]

I'm not sure, but I believe your answer would be

8/10 = 4/20

Forgive me if I'm wrong, but the others seem to say the same thing that this answer doesn't.

4 0

3 years ago

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A student council sells 44 bouquets for $176. Which equation represents the

vesna_86 [32]

Answer:

$y = 4x$

Step-by-step explanation:

Given

$x = 44$

$y = 176$

Required

Determine the relationship between x and y

First, we calculate the unit rate, using:

$y = kx$

Where k is the unit rate.

Substitute 176 for y and 44 for y

$176 = k * 44$

Divide both sides by 44

$\frac{176}{44} = \frac{44*k}{44}$

$\frac{176}{44} = k$

$4 = k$

$k = 4$

Substitute 4 for k in $y = kx$

$y = 4x$

Hence, the relationship between x and y is: $y = 4x$

4 0

2 years ago