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3 years ago

-3/4*2/5 what is that answer to this

Mathematics

1 answer:

rosijanka [135]3 years ago

6 0

Answer:

Step-by-step explanation:

-3/4 * 2/5 = fraction multiplication.

-6/20 = -3/10

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HELP PLZ Which decimal is equivalent to ? A. 4.03 B. 4.12 C. 4.25 D. 4.30

MAVERICK [17]

The answer is C. 4.25

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3 years ago

Fourteen friends went to the county fair. All except 6 of them bought a hot dog.each hot cost $3.how much did the friends spend

yanalaym [24]

14 friends - 6 friends = 8
8 (friends) x 3 (dollars) = 24 (dollars total)
ANSWER = $24

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3 years ago

Divide. Write your answer as a fraction in simplest form. −1/5÷20=

Arturiano [62]

Answer:

-1/100

Step-by-step explanation:

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3 years ago

Read 2 more answers

I NEED THIS FAST a sample of an unknown liquid has a volume of 30.0 mL and a mass of 6 g. whats the density ? show your work and

Doss [256]

Answer:

The density is 0.2g/mL^2.

Step-by-step explanation:

Use the formula: D= $\frac{m}{V}$ (where v=volume, and m=mass). The mass of the liquid is 6g. The volume of the liquid is 30mL.
To determine density, insert the values into the formula ( $D=\frac{6g}{30mL}$ ).
Divide: 6g/30mL= 0.2g/mL^2

6 0

2 years ago

Find the area of a triangle bounded by the y-axis, the line f(x)=9−2/3x, and the line perpendicular to f(x) that passes through

MaRussiya [10]

Answer:

The area of the triangle is 18.70 sq.units.

Step-by-step explanation:

It is provided that a triangle is bounded by the y-axis, the line $f(x)=y=9-\frac{2}{3}x$ .

The slope of the line is: $m_{1}=-\frac{2}{3}$

A perpendicular line passes through the origin to the line f (x).

The slope of this perpendicular line is: $m_{2}=-\frac{1}{m_{1}}=\frac{3}{2}$

The equation of perpendicular line passing through origin is:

$y=\frac{3}{2}x$

Compute the intersecting point between the lines as follows:

$y=9-\frac{2}{3}x\\\\\frac{3}{2}x=9-\frac{2}{3}x\\\\\frac{3}{2}x+\frac{2}{3}x=9\\\\\frac{13}{6}x=9\\\\x=\frac{54}{13}$

The value of y is:

$y=\frac{3}{2}x=\frac{3}{2}\times\frac{54}{13}=\frac{81}{13}$

The intersecting point is $(\frac{54}{13},\ \frac{81}{13})$ .

The y-intercept of the line f (x) is, 9, i.e. the point is (0, 9).

So, the triangle is bounded by the points:

(0, 0), (0, 9) and $(\frac{54}{13},\ \frac{81}{13})$

Consider the diagram attached.

Compute the area of the triangle as follows:

$\text{Area}=\frac{1}{2}\times 9\times \frac{54}{13}=18.69231\approx 18.70$

Thus, the area of the triangle is 18.70 sq.units.

7 0

3 years ago