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xz_007 [3.2K]
2 years ago
6

Alan’s online test has 10 true-false questions and 5 multiple-choice questions. Each multiple-choice question has 4 different an

swer choices. How many different choices for answering the 15 questions are possible?
a. 1,048,576

b. 300

c. 15

d. 100
Mathematics
1 answer:
Pavel [41]2 years ago
8 0

Answer:

50

Step-by-step explanation:

4 x 10 = 40 and 2 x 5 = 10 so add them together

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Question 2
harina [27]

Answer:

True

Step-by-step explanation:

a triangle can be formed with any side of any length

6 0
3 years ago
Change the fraction 7/12 to a decimal. Round your answer to the nearest thousandth
alina1380 [7]
Just divide.

\sf\dfrac{7}{12}\rightarrow7\div12\rightarrow0.58\overline{3}

0.583333. . .
      ^ This is the thousandths place

Look at the number after that, if it's 5 or more we round up, if it's 4 or less we round down.

It's 3, so we round down to 0.583.
7 0
3 years ago
Read 2 more answers
A suit is on sale for
Luba_88 [7]
476+23.8+11.9= 499 510 the answer is 511.70
5 0
3 years ago
Solve for x t=1/2(1/x-1/y)
Ilya [14]

Answer:

Step-by-step explanation:

671518 jnaja(a iuyquq uhh 71718(2961881

8 0
3 years ago
Find the value of kk for which the constant function x(t)=kx(t)=k is a solution of the differential equation 5t3dxdt+2x−2=05t3dx
uranmaximum [27]
Given the differential equation

5t^3 \frac{dx}{dt} +2x-2=0

The solution is as follows:

5t^3 \frac{dx}{dt} +2x-2=0 \\  \\ \Rightarrow5t^3 \frac{dx}{dt} =2-2x \\  \\ \Rightarrow \frac{5}{2-2x} dx= \frac{1}{t^3} dt \\  \\ \Rightarrow \int {\frac{5}{2-2x} } \, dx = \int {\frac{1}{t^3}} \, dt \\  \\ \Rightarrow- \frac{5}{2} \ln(2-2x)=- \frac{1}{2t^2} +A \\  \\ \Rightarrow\ln(2-2x)= \frac{1}{5t^2} +B\\  \\ \Rightarrow2-2x=Ce^{\frac{1}{5t^2}} \\  \\ \Rightarrow 2x=Ce^{\frac{1}{5t^2}}+2 \\  \\ \Rightarrow x=De^{\frac{1}{5t^2}}+1
3 0
3 years ago
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