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babunello [35]
4 years ago
15

Someone help me (show work)

Mathematics
1 answer:
Marysya12 [62]4 years ago
3 0
For #2 he has 148 colored marbles.

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Help a friend who is horrible at algebra pls :^)
sergij07 [2.7K]
Find the vertex by using the formula -b/2a
To find a and b, we must know that a and b are located at y = ax^2 + bx + c.
We find that b is 4 and a is 1 by looking at the given quadratic function.
The answer is A. -4/2(1) because the question is looking for the correct steps to find the answer.
3 0
3 years ago
The length of a rectangle is equal to triple the width. what is its width and length if its perimeter is 88 centimeters.
Maru [420]

Answer:

56fifjjfiggitrireieisixii3eiirr

7 0
3 years ago
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I believe the answer is B but I am not sure. Please help and show work!!
vivado [14]
Yes I believe you are correct
7 0
4 years ago
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5sinA=4, find the value of tanA.​
NARA [144]

Answer: tan A=4/3

Step-by-step explanation:

Theo đề ta có: 5sinA=4 suy ra: sinA=4/5, mà ta đã biết là: sinA= cạnh đối/cạnh huyền, suy ra: cạnh đối của góc A =4, cạnh huyền =5

Áp dụng định lí py ta go ta đc:

5^2=4^2+x^2

=) x=3

Vậy cạnh kề của góc A=3

Mà tanA = cạnh đối/cạnh kề

Vậy giá trị của tanA=4/3

(bạn vẽ hình ra thì có thể nhìn rõ hơn đấy, cảm ơn bạn đã tham khảo câu trả lời của mik)

7 0
3 years ago
The girl knows that pi times r =9.42xm what do she need to do to find the circum
JulsSmile [24]

Answer:

Circumference is π × diameter

7 0
3 years ago
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