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2 years ago

6.1 is 90% of what number

Mathematics

1 answer:

n200080 [17]2 years ago

8 0

Step-by-step explanation:

let the unknown number be x

90/100 × x =6.1

× = 6.1 × 100/ 90

x = 610/ 90

x = 6.778

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What's the axis of symmetry of y = 3x2 - 6x + 4

Alex17521 [72]

Answer:6x+6... not sure

Step-by-step explanation:

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2 years ago

Read 2 more answers

30 POINTS! Combine the like terms of the 2 questions below:

astraxan [27]

Answer:

$\tt 1)\: \boxed{\tt 4y+10}$

$\tt 2)\:\boxed{\tt 0.5x^4+10.5}$

Step-by-step explanation:

1) y + 4 + 3(y + 2)

Expand:-

$\tt y+4+3y+6$

Combine like terms:-

$\tt y+3y+4+6$

$\boxed{\tt 4y+10}$

2) 0.5(x⁴ - 3) + 12

Expand:-

$\tt 0.5x^4-1.5+12$

Add/Subtract Numbers:-

$\boxed{\tt 0.5x^4+10.5}$

___________________

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1 year ago

Which graph represents a function with direct variation

Amanda [17]

Where’s the graph????

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2 years ago

Alesha went to the movies. A popcorn is $3 more than a soda. She purchased 1 popcorn and 2 sodas. She spent $21. How much is a p

Blizzard [7]

Answer: a popcorn is $9

Step-by-step explanation:

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1 year ago

Solve for b, then solve for each angle in the triangle

lesya692 [45]

We know that the sum of the interior angles of a triangle equals 180, then,in this case we have the following equation:

$b+2b+(b+16)=180$

then, solving for b, we get:

$\begin{gathered} b+2b+(b+16)=180 \\ \Rightarrow4b+16=180 \\ \Rightarrow4b=180-16=164 \\ \Rightarrow b=\frac{164}{4}=41 \\ b=41 \end{gathered}$

now that we have that b = 41, we can find the measure of each angle:

$\begin{gathered} b=41 \\ 2b=2(41)=82 \\ b+16=41+16=57 \end{gathered}$

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5 months ago