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Svetllana [295]
3 years ago
8

Dora's car can travel 81 miles using 2.7 gallons of gas. At this rate, how far, in miles, can Dora travel using

Mathematics
1 answer:
Delvig [45]3 years ago
8 0

Answer:

2190 miles

Step-by-step explanation:

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What is a straight line from the center to the circumference of a circle
Travka [436]

Answer:

From the CENTER, it would be radius of the circle

Step-by-step explanation:

Stretching across the entire circle is diameter, while from the center is radius.

3 0
3 years ago
How fast did Carlos petal
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Hello, the answer is... Well If the car was going 10 mph and he was a foot behind him then he was pedaling 9 miles an our, but please specify..  
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3 years ago
Lim x → 0 sin3x)/5x^3 -4
JulsSmile [24]
\bf \lim\limits_{x\to 0}\ \cfrac{sin^3(x)}{5x^3}-4
\\ \quad \\\\ \cfrac{sin^3(x)}{5x^3}-4\implies \cfrac{[sin(x)]^3}{5x^3}-4
\\ \quad \\
 

\cfrac{[sin(x)]^3}{x^3}\cdot \cfrac{1}{5}-4
\\ \quad \\
thus
\\ \quad \\
\lim\limits_{x\to 0}\cfrac{[sin(x)]^3}{x^3}\cdot \lim\limits_{x\to 0}\cfrac{1}{5}-4\qquad \boxed{recall \qquad \lim\limits_{x\to 0} \cfrac{sin(x)}{x}\implies 1}
\\ \quad \\
1\cdot \cfrac{1}{5}-4
8 0
3 years ago
In 1994, the General Social Survey included a question that asked its participants if they felt that nuclear power plants were e
Anna71 [15]

Answer:

Value of the test statistic for this problem = -3.74

Step-by-step explanation:

Here

the sample size n = 1263

and the x = 565

So, the p' -value = 565/1263 = 0.4473

As per the test statistics formula, z value will be evaluated

z = (0.4473-p)/sqrt {p(1-p)/n}

Let us say that p = 0.5

Substituting the given value in above equation, we get -

z = (0.4473-0.5)/sqrt {0.5(1-0.5)/1263}

z = -3.74

4 0
3 years ago
A figure is made up of two triangles and a square. The triangles and the square have the same base length of 5 feet. The triangl
Paraphin [41]

Answer:

45 ft^2.

Step-by-step explanation:

Area = area of the square + 2 * area of one triangle

= 5^2 + 2 * 1/2 * 5 * 4

= 25 + 20

= 45 fT^2.

8 0
2 years ago
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