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3 years ago

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Mathematics

2 answers:

a_sh-v [17]3 years ago

4 0

Answer:

5/6

Step-by-step explanation:

1. Find the least common denominator of 3/10, 8/15. in other words, find the Least Common Multiple of 10, 15.

LCD=30

2. Make the denominators the same as the LCD.

3*3/10*3 + 8*2/15*2

3. Simplify. Denominators are now the same.

9/30 + 16/30

4. Join the denominators.

9+16/30

5. Simplify.

25/30

6. Simplify

5/6

Hope this helps!

Vikki [24]3 years ago

3 0

Answer:

5/6

Step-by-step explanation:

9/30 + 16/30 = 25/30 = 5/6

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George bought 2.5 pounds of each type of fruit shown on the sign apples $1.30/lb,grapes $1.65/lb,bananas $0.49/lb.what was the t

Stella [2.4K]

Answer:

$8.60

Step-by-step explanation:

Let’s find the cost for each item

Apples: 2.5 x 1.30 = 3.25

Grapes: 2.5 x 1.65 = 4.125

Bananas: 2.5 x 0.49 = 1.225

Now we will add all the costs which will give use our total!

3.25 + 4.125 + 1.225 = 8.6

So the answer will be $8.60

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2 years ago

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Ganezh [65]

Answer:

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Step-by-step explanation:

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2 years ago

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Which of the following would be equivalent to 11 to the 8th power over 11 to the 3rd power?

myrzilka [38]

None of the above. 11^8/11^3 is 11^5 since you will just subtract exponents. The numerical value is 161051
although you should have an option that either is 11^5 or equals 11^5 like 11^15/11^10 for example

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2 years ago

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Write an equation in slope intercept form for the line that passes through (-1, -2) and (3, 4)

LenaWriter [7]

Answer:

The slope-intercept form of the line equation is:

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

m is the slope

b is the y-intercept

Given the points

(-1, -2)

(3, 4)

Determining the slope between (-1, -2) and (3, 4)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-1,\:-2\right),\:\left(x_2,\:y_2\right)=\left(3,\:4\right)$

$m=\frac{4-\left(-2\right)}{3-\left(-1\right)}$

$m=\frac{3}{2}$

Thus, the slope of the line is:

m = 3/2

substituting m = 3/2 and the point (3, 4) in the slope-intercept form of the line equation

y = mx+b

$4=\frac{3}{2}\left(3\right)+b$

switch sides

$\frac{3}{2}\left(3\right)+b=4$

$\frac{9}{2}+b=4$

subtract 9/2 from both sides

$\frac{9}{2}+b-\frac{9}{2}=4-\frac{9}{2}$

$b=-\frac{1}{2}$

now substituting m = 3/2 and b = -1/2 in the slope-intercept form of the line equation

$y = mx+b$

$y=\:\frac{3}{2}x\:+\:\left(-\frac{1}{2}\right)$

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

Therefore, the slope-intercept form of the line equation is:

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

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2 years ago

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nlexa [21]

Answer:

6 root 5 - 4 root 15

answer is c

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therefore answer is c

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3 years ago

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