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3 years ago

Tiffany started her homework at 5:20, if it took him 45 minuets to get done, what time did he get finished

Mathematics

2 answers:

Helen [10]3 years ago

8 0

Answer:

Step-by-step explanation:5:20 20+45=65 so the answer was at 6:05

never [62]3 years ago

5 0

Answer:

6:05

Step-by-step explanation:

5:20+40= 6:00

6:00+5= 6:05

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Part 2: Pack It Up! 1.

user100 [1]

Answer:

Read below

Step-by-step explanation:

I would guess based on measurement because I would do the following.

3 1/4 x 3 1/4 = 10 9/16

10 9/16 x 3 = 31 11/16

Hope it helps c:

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3 years ago

Please help due 5 mins

Ivenika [448]

Answer:

SOLUTION:

The volume V of a prism is V = Bh, where B is the

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Step-by-step explanation:

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3 years ago

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Which expression is equivalent to 4/5 x 120? zoom in to see clearly!

drek231 [11]

Answer:

Which expressions is equivalent to 4/5*120= 96

B 4*120 divided by 5=96

Step-by-step explanation:

The second question is 589 4/5

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2 years ago

Read 2 more answers

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Brrunno [24]

Answer:

answer = c

Step-by-step explanation:

its because we need to add 1 more 4 for the number 4 to be the mode because the mode is the most nummber used

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2 years ago

Write down the quadratic equation whose roots are $x = -7$ and $x = 1,$ and the coefficient of $x^2$ is 1. Enter your answer in

pav-90 [236]

<h2>Steps:</h2>

So firstly, since we know that the coefficient of x² is 1, this means that this is our base equation:

y = x² + bx + c

Now, since we know that the roots are -7 and 1, set y = 0 and set x = -7 and 1 and simplify:

$0=(-7)^2+b(-7)+c\\0=49-7b+c\\-49=-7b+c\\\\0=1^2+b(1)+c\\0=1+b+c\\-1=b+c\\\\-49=-7b+c\\-1=b+c$

Now with this, we can set up a system of equations to solve for b and c. For this, I will be using the elimination method. For this, subtract the 2 equations:

$\begin{alignedat}{2}-49&=-7b+c\\-(-1&=b+c)\\-48&=-8b\end{alignedat}$

Now that the c variable has been eliminated we can solve for b. For this, divide both sides by -8 and your first part of your answer is b = 6.

Now that we know the value of b, plug it into either equation to solve for c:

$-49=-7(6)+c\\-49=-42+c\\-7=c\\\\-1=6+c\\-7=c$

<h2>Answer:</h2>

<u>Putting it together, your final answer is x² + 6x - 7 = 0.</u>

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3 years ago