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3 years ago

Complete the ratio and find the answer

Mathematics

1 answer:

elena55 [62]3 years ago

8 0

There are 12 inches in one foot. 120 x 12 = 1,440 inches. The correct ratio to be placed is the 5th one (aka 12 inches over 1 foot).

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Given the equation: 5m + 3 = 3m - 7, what is the value of m? pls will mark Brainliest

olya-2409 [2.1K]

Answer:

its -5 is the answer i thank.

8 0

3 years ago

Read 2 more answers

There are 60 slices of cheesecake in 5 cheesecakes.If There are the same number of slices in each cheesecake, how many slices ar

aniked [119]

60 slices in 5 cheesecakes. So 1 cheesecake has 12 slices. So 8 cheesecakes will have 96 slices

6 0

3 years ago

An urn contains 5 red balls and 2 green balls. Two balls are drawn one after the other. What is the probability that the second

AleksAgata [21]

Answer:

The probability that the second ball is red is 71%

Step-by-step explanation:

Probabilities

We know there are 5 red balls and 2 green balls. Let's analyze what can happen when two balls are drawn in sequence (no reposition).

The first ball can be red (R) or green (G). The probability that it's red is computed by

$\displaystyle P(R)=\frac{5}{7}$

The probability is's green is computed by

$\displaystyle P(G)=\frac{2}{7}$

If we have drawn a red ball, there are only 4 of them out of 6 in the urn, so the probability to draw a second red ball is

$\displaystyle P(RR)=\frac{5}{7}\cdot \frac{4}{6}=\frac{10}{21}$

If we have drawn a green ball, there are still 5 red balls out of 6 in the urn, so the probability to draw a red ball now is

$\displaystyle P(GR)=\frac{2}{7}\cdot \frac{5}{6}=\frac{5}{21}$

The total probability of the second ball being red is

$\displaystyle P(XR)=\frac{10}{21}+\frac{5}{21}=\frac{5}{7}=0.71$

The probability that the second ball is red is 71%

7 0

3 years ago

Circle A is inscribed in a quadrilateral. What is the perimeter of the quadrilateral?

faust18 [17]

AB + CD = BC + DA
Where A, B, C, and D are points on the quad, and AB is the length of the line A to B, etc. 

Since you know three sides, you can easily solve for the fourth.

6 0

3 years ago

(5x^4 - 3x^3 + 6x) - ( 3x^3 + 11x^2 - 8x)

sergeinik [125]

(5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)

Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - 3x³ - 11x² + 8x

Group like terms and simplify
5x⁴ - 3x³ - 3x³ - 11x² + 6x + 8x

5x⁴ - 6x³ - 11x² + 14x

3 0

3 years ago