03/19/22
Please please help
Solve for z:x = 2.5yx + y + z = 66x - 2y - 2z = -12(A) z = -120(B) z = 16(C) z = 10(D) z = -74(E) None of these
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03/19/22
At t seconds, the height h, in feet, of a baseball pitched into the air is given by the function below. When does the ball hit the ground?
h(t)=-16t2+20t+8
03/19/22
Adding / subtracting negatives and positives
Find each sum or difference and explain your reasoning: a. +11 - +23b. +7+-3 c. -20 + -7 d. -13 - -18
03/19/22
Word problem with adding and subtracting negatives
Write an interesting story that includes several opportunities to solve expressions, including: 8 + -20
03/19/22
Adding / Subtracting negatives
Suppose one of your students asks, "Why does -(-a) = a?" What could you say to help develop understanding for this student?
A Norman window is constructed by adjoining a semicircular window to the top of a rectangular window (See Figure 13.).
A Norman window is constructed by adjoining a semicircular window to the top of a rectangular window (See Figure 13.). If the perimeter of the window in 16 ft, find its dimensions so that it admits...
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03/18/22
I need help with an equation i always get these wrong :(
what is the surface area of 3in 2in 2in?
03/18/22
I keep getting this wrong . Please tell me why
A bag contains 6 red marbles, 6 white marbles, and 10 blue marbles. You draw 3 marbles out at random, without replacement. Give all answers as a decimal rounded to four places.a) What is the...
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Please help!! I cant find the last two
For each pair of functions, find and . Determine the domain of and the domain of . Show your work4. and 5. and
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03/18/22
What is the volume of the empty portion of Container B, to the nearest tenth of a cubic foot?
Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A has a diameter of 16 feet and a height of 19 feet. Container B has a diameter of 26 feet and a...
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03/18/22
What is the volume of a cube with an edge length of 1/3 cm?
What is the volume of a cube with an edge length of 1/3 cm?
Luis plans to put $25 a week into a savings account from the part-time job he started. If he has $350 in savings now, Luis did not add money to his account at the end of the first week of work
Create a function that can be used to find the amount in dollars a Luis has in his bank account at the end of w week of work, where w≥ 1?
Find the equation for the quadratic function whose x-intercept are -3 and 4 with the leading coefficient is 1
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03/18/22
Need help with second part of assignment
Cobalt-57 is used in medical testing and has a half-life of about 272 days, which means after 272 days, half of the Cobalt-57 has decayed to a less radioactive and more stable form. The function...
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03/18/22
What is the last digit of 3 raise to 278,885
What is the last digit of 3278,885?a. 3b. 9c. 7d. 1I have answered a) 3. Am I correct?
03/18/22
How much larger is 25 feet than 17 feet?
If you could help me out with this question I would really appreciate it! Thanks.
03/18/22
SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE
Studied less than two hours(L)
Studied more than two hours(M)
total
Studied independantly (G)
12
4
16
Studied with a group(G)
8
11
19
total
20
15
35
a) What is the probability that a...
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