30% of a radioactive substance has decayed after 10years, what is its half-life? 15.9 years 16.7 years 17.6 years 19.4 years

Q: DEFG ~ PQRS. Find the indicated value. 8. The perimeter of PQRS is 60 inches, and the ratio of 3 the…

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Q: Determine whether the triangles are similar. If they are, write a similarity statement. Explain your…

A: 8. Given data is : In ∆PQR and ∆STR Determine whether given triangle is similar ?

Q: (MGSE 9-12.G.C. 2) Equilateral triangle PBJ is inscribed in a circle as shown below. Determine the…

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Q: 3. Hannah's cell phone had 72% battery life remaining when she went to school this morning. During…

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Q: 9. Find the arc length of the sector if the radius of the circle is 10 and the degree measure of the…

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Q: In Exercises 10 and 11, the polygons are similar. Find the value of x. 10. 11. 15 10 6. 1.5 18 2.…

A: Given , polygons are similar , We have to find value of x  (10) Since ,  Polygons are similar then…

Q: 12 To sign-up for PearTV you must purchase a PearTV Remote upfront, and then pay $13 per month after…

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Q: 4. A group of mountain climbers begin an expedition with 250 pounds of food. They plan to eat a…

A: first of all we will establish linear relationships using the given facts and after that we will use…

Q: 5. Suppose I'm playing a game where I have a 35% chance to win each time. What is the expected…

A: In this set of questions, we will explore some fundamental concepts in statistics and probability.…

Q: The following exercise deals with the homogeneity property. Let f(x) = or 47, How do the function…

A: 4.67

Q: The velocity of an object moving along a line is given in the graph below for 0 <t < 8. At t = 0,…

A: Velocity time graph given in the figure.  Initial position=10 Find the position after t=5 And total…

Q: At noon, ship A is 100 km west of ship B. Ship A is sailing south at 40 km/h and ship B is sailing…

A: Use pythogorous theorem

Q: Write the expression as a complex number in standard form. I) (-8 + 8i) – (2 + 4i) 2) (8i) + (-4 -…

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Q: 8. Let x be the first column of A and let Show that if Q, is the Householder matrix given by Problem…

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Q: and

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Q: 3. Find the equation of the line that goes through the point (1, 3, 2) and is parallel to the line…

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Q: 4 The equation of a line is y = 7x+9. (a) What is the slope of a line parallel to it? (b) What is…

A: Given equation of line: y=49x+9 Then we have to find: a slope of a line parallel to the equation of…

Q: A sprinkler watering a lawn rotates through 120°. The distance from the sprinkler to the farthest…

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Q: 2. The temperature T and pressure P of a gas inside a pressure cooker follows the equation T/P = 8.…

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Q: 4. Suppose that you work part-time as a sales representative at a car dealership. You earn a base…

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