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Roman55 [17]
3 years ago
5

In the equation 3/4y+1/2=3 1/4, the fractional coefficient is

Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0

Answer:

\frac{3}{4}

Step-by-step explanation:

Given equation: \frac{3}{4}y + \frac{1}{2} = 3 \frac{1}{4}

In the given equation, \frac{3}{4} is a coefficient and y is the variable.

coefficient is a constant number or quantity multiplied to a variable in an algebric expression. Like in the above equation \frac{3}{4} is a coefficient and y is the variable. We use term variable for y as its value may vary or change. If variable does not have any coefficient in any expression then in that case, we consider 1 as coefficient, for example: x+4, here variable have 1 as coefficient.

Hence, the fractional coefficient is \frac{3}{4}.

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The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?
Katena32 [7]
A triangle has three angles, and their measures add up to 180 degrees.
An isosceles triangle has at least 2 congruent sides, and the angles opposite the congruent sides are congruent.

This triangle has one angle of 40 deg, and two angles that measure the same; call the measure of each base angle x.

x + x + 40 = 180

2x + 40 = 180

2x = 140

x = 70

The base angles measure 70 deg.
8 0
3 years ago
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An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20\text{ cm}d=20 cmd, equals, 20, s
aivan3 [116]

Answer: The answer is 314.28 cm² (approx.).


Step-by-step explanation:  Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.

We need to find the area 'A' of the circular cross-section of the pipe.

Given, diameter of the circular section is

\textup{d}=20~\textup{cm}.

So, the radius of the circular cross-section will be

\textup{r}=\dfrac{\textup{d}}{2}=\dfrac{20}{2}=10~\textup{cm}.

Therefore, cross-sectional area of the pipe is

\textup{A}=\pi \textup{r}^2=\dfrac{22}{7}(10)^2=\dfrac{2200}{7}=314\dfrac{2}{7}=314.28~.~.~.~\textup{cm}^2.

Thus, the answer is 314.28 cm² (approx.).

4 0
3 years ago
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Answer:

30

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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