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Luda [366]
3 years ago
10

This year, gasoline costs $4 per gallon. This is a 125% increase over the cost 3 years ago. What expression can be used to deter

mine the cost of gasoline three years ago?
Mathematics
1 answer:
pochemuha3 years ago
7 0

The equation would be, 4/125%.

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The nth term of a sequence is 3n + 2
gavmur [86]

Answer:

see explanation

Step-by-step explanation:

To calculate the first 3 terms substitute n = 1, 2, 3 into the n th term rule

a_{1} = (3 × 1) + 2 = 3 + 2 = 5

a_{2} = (3 × 2) + 2 = 6 + 2 = 8

a_{3} = (3 × 3) + 2 = 9 + 2 = 11

------------------------------------------------------------------

substitute n = 10 into the n th term rule

a_{10} = (3 × 10) + 2 = 30 + 2 = 32

3 0
3 years ago
Read 2 more answers
Compare -1.5 and -4.5
fomenos

Answer:

-3

Step-by-step explanation:

There's a three point distance between the two on a coordinate plane

3 0
2 years ago
A construction company orders 6200 new light bulbs for a new office building. If the probability of a light bulb being defective
liberstina [14]
|\Omega|=6200\\
P(A)=0.4\%=0.004\\
|A|=?\\\\
|A|=|\Omega|\cdot P(A)=6200\cdot0.004=24.8\approx25
3 0
3 years ago
Find the value of x in the triangle shown below.<br> x = ___°
blagie [28]
I think x= 70 rights
5 0
3 years ago
What is the value of tan(60°)? One-half StartRoot 3 EndRoot StartFraction StartRoot 3 EndRoot Over 2 EndFraction StartFraction 1
Ratling [72]

Answer:

\sqrt3

Step-by-step explanation:

To find:

The value of tan60^\circ = ?

Solution:

Kindly consider the equilateral \triangle ABC as attached in the answer area.

Let the side of triangle = a units

Let us draw the perpendicular from vertex A to side BC.

It will divide the side BC in two equal parts.

i.e. BD = DC = \frac{a}{2}

Using Pythagorean Theorem in \triangle ABD:

\text{Hypotenuse}^{2} = \text{Base}^{2} + \text{Perpendicular}^{2}

Side AD = \frac{\sqrt3}{2}a

Using Trigonometric ratio:

tan\theta = \dfrac{Perpendicular}{Base}

tanB = \dfrac{AD}{BD}

Putting the values of AD and BD:

tan60^\circ=\dfrac{\frac{\sqrt3}{2}a}{\frac{1}{2}a}\\\Rightarrow tan60^\circ = \bold{\sqrt3}

5 0
2 years ago
Read 2 more answers
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