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Paha777 [63]
3 years ago
5

How to add and subtract mixed numbers

Mathematics
1 answer:
Annette [7]3 years ago
5 0
First, you would convert the mixed numbers into fractions by multiplying the denominator by the whole part (the number to the left of it) and by adding that number by the numerator. After that, you would check if the fractions have the same denominator. If they do, just add/subtract them by adding/subtracting their numerators together (leave the denominator the same). If they don't have the same denominators, then you would have to get a common denominator by multiplying both of the denominators together. Then, once you have that, you multiply your numerator and denominator by whichever number gets you to the common denominator. For example, if you were adding 1/3 and 1/2 together, the common denominator would be 6 (3 times 2). You would then multiply 1 and 3 by 2 (since 3 times 2 is 6) and 1 and 2 by 3 (since 2 times 3 is 6), leaving you with 2/6 + 3/6. Finally, you would add them together, giving you 5/6. I hope this helped and make sure to make this the brainliest answer.
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Find the values for which the statement is true and mark them on the number line: |x|=x
gogolik [260]

Answer:

The function f(x) = IxI works as follows:

if x ≤ 0, then IxI = -x

if x ≥ 0, then IxI = x

notice that if x = 0, then I0I = 0 = -0

Now, we want that:

IxI = x

Then we have that x must be greater or equal than zero:

x ≥ 0.

To represent it in the number line, you should use a black dot in the zero an shade all the right region:

__-2__-1__0__1__2__3__4__5__6__....

6 0
3 years ago
Suppose U.S. consumers 21 years and older consumed 26.8 gallons of beer and cider per person during 2017. A distributor in Milwa
Kruka [31]

Answer:

d) Conclude that the population mean annual consumption of beer and cider in Milwaukee is greater than 26.8 gallons and hence higher than throughout the United States.

Step-by-step explanation:

We have a hypothesis test about the true mean consumptionof beer and cider for U.S. 21+ years-old consumers with the following null and alternative hypothesis:

H_0: \mu=26.8\\\\H_a:\mu> 26.8

The result of the test is to reject the null hypothesis.

This means that there is evidence to support the claim that beer and cider consumption was higher than the national average in Milwaukee in 2017 .

6 0
3 years ago
The relationship between speed, distance and time can be calculated with
Aneli [31]

Answer:

.6

Step-by-step explanation:

105 or D divided by 175 meters per second or T equals .6

105÷175=.6

3 0
3 years ago
Question below. Please answer it, its math.
AleksAgata [21]

Answer:

- 0.8

Step-by-step explanation:

The first thing we want to do here is simplify the expression -

\frac{3}{5}( 2x + 5 ) - 2x, Distribute the " \frac{3}{5} " to elements within the parenthesis

= \frac{3}{5} * 2x + \frac{3}{5} * 5 - 2x, Focus on simplifying the expression " \frac{3}{5} * 2x + \frac{3}{5} * 5 "

= 2\cdot \frac{3}{5}x+5\cdot \frac{3}{5} - 2x

= \frac{6x}{5}+3 - 2x, Combine fractions

= -\frac{4x}{5} + 3

= -\frac{4}{5}x + 3

So we have our simplified expression "  -\frac{4}{5}x + 3, " with -\frac{4}{5} being the coefficient of x. Our requirements are that this fraction should be expressed as a decimal, so we can simply divide the numerator by the denominator to figure that out,

- 4 / 5 = - 0.8,

Solution = - 0.8

4 0
4 years ago
3m + 4.5m = 15. Find the value of m in this equation. <br> Show work if possible.
lbvjy [14]
Combine like terms,
7.5m = 15. Divide both sides by 7.5
m = 2
3 0
3 years ago
Read 2 more answers
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