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3 years ago

What is 3 1/3 +(-2 1/4) + 1 5/6 as a mixed fraction

2 answers:

8 0

3 7/12 (I am so sorry if it is wrong, I am in 6th grade, but we just learned about it so, I am really super positive it is correct. ;)

meriva3 years ago

5 0

The answer is 2 11/12 because you do 3 1/3 + -2 1/4 which gets you 1 1/2. Then you need to add 1 5/6 to the 1 5/6 to get your answer. So when you add up your answer you get 2 11/12. Hope this helps.

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If an altitude is drawn from the right angle of a right triangle to its hypotenuse, the two segments formed on the hypotenuse ar

valentina_108 [34]

Answer:

the length of the altitude is 7.5 cm

Step-by-step explanation:

In a Δ ABC, $\overline {BC}$ is the altitude

If an altitude is drawn to the hypotenuse of the right angle triangle as shown in the image attached below; Then:

$(AD)^2 = AD*AC \\ \\ x^2 = 5*11.25 \\ \\ x^2 = 81.25 \\ \\ x = \sqrt{81.25} \\ \\ x= 9.01$

NOW;

$(BC)^2 = DC*AC \\ \\ z^2 = 11.25 *16.25 \\ \\z^2 = 182.8125 \\ \\ z= \sqrt{182.8125} \\ \\ z= 13.52$

Finally; the altitude which is $\overline {BD}$ is calculated as:

$(BD)^2 = AD*DC \\ \\ y^2 = 5*11.25 \\ \\ y^2 = 56.25 \\ \\ y = \sqrt{56.25} \\ \\ y= 7.5$

Thus; the length of the altitude is 7.5 cm

8 0

3 years ago

there are 3 different cheeses at the deil. yasuko buys 3/4 of a pound of each there are also 4 different meats she buys 1/2 of a

Leno4ka [110]

Answer:

explanation below

Step-by-step explanation:

3/4+3/4+3/4=9/4 or 2 1/4 pounds of cheese

1/2+1/2+1/2+1/2= 4/2 or 2 pounds of meat

so in total he buys 2 and 1/4 a pound of cheese and 2 pounds of meat or 4 1/4 pounds of total product

7 0

3 years ago

Read 2 more answers

Help What do I put in the blank

KATRIN_1 [288]

Answer:

4 for the first box and 2*2*19 for the second.

Step-by-step explanation:

I did this lesson in 4th grade

8 0

2 years ago

Read 2 more answers

Use the definition to find an expression for the area under the curve y = x3 from 0 to 1 as a limit. lim n→∞ n i = 1 R (b) The f

Harlamova29_29 [7]

The summand (R?) is missing, but we can always come up with another one.

Divide the interval [0, 1] into $n$ subintervals of equal length $\dfrac{1-0}n=\dfrac1n$ :

$[0,1]=\left[0,\dfrac1n\right]\cup\left[\dfrac1n,\dfrac2n\right]\cup\cdots\cup\left[1-\dfrac1n,1\right]$

Let's consider a left-endpoint sum, so that we take values of $f(\ell_i)={\ell_i}^3$ where $\ell_i$ is given by the sequence

$\ell_i=\dfrac{i-1}n$

with $1\le i\le n$ . Then the definite integral is equal to the Riemann sum

$\displaystyle\int_0^1x^3\,\mathrm dx=\lim_{n\to\infty}\sum_{i=1}^n\left(\frac{i-1}n\right)^3\frac{1-0}n$

$=\displaystyle\lim_{n\to\infty}\frac1{n^4}\sum_{i=1}^n(i-1)^3$

$=\displaystyle\lim_{n\to\infty}\frac1{n^4}\sum_{i=0}^{n-1}i^3$

$=\displaystyle\lim_{n\to\infty}\frac{n^2(n-1)^2}{4n^4}=\boxed{\frac14}$

8 0

3 years ago

Translate each equation into slope-intercept form. Then, state the slope and y-intercept . 4y=2x+20

likoan [24]

Answer:

The slope-intercept form of the equation: y = 0.5x + 5

The slope: m = 0.5

The y-intercept: b = 5

Step-by-step explanation:

Slope-intercept form is y = mx + b, where m is the slope and b is y-intecept

4y = 2x + 20 {divide both sides by 4}

y = 0.5x + 5 ⇒ m = 0.5 and b = 5

5 0

3 years ago