Write the expression of -2 and -18

1 answer:

8 0

The expression is simply -2-18. When you have an expression like this, just put the together and the put a box around the first number don't forget the sign, and then the next put one around the sign and the number. If this doesn't make any since, sorry we just started this unit

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Let b be a number such that (2b+5)(b-1)=6b. What is the largest possible value of b? Express your answer as a common fraction.

Oksi-84 [34.3K]

Answer:

Foil the expression and solve the derivative with respect to b at f'(x)=0 $2b^2+3b+5=6b\\d/dx(2b^2+9b+5=0)\\4b+9=0\\b=-9/4$

Step-by-step explanation:

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3 years ago

02.06)If 1 pint is equal to 2 cups, then 5 pints would equal ___ cups.

lawyer [7]

If 1 pint equals 2 cups then 5 pints equals 10 cups
Because 5 times 2 equals 10. Hope this helps.

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3 years ago

A conditional statement and it's_______ must always have the same truth value.

Romashka [77]

Answer: C) Contrapositive

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The contrapositive is in the form "If not Q, then not P"
You flip the order of P and Q, and you also negate each piece. The original conditional and contrapositive can be proven to have the same truth values through the use of a truth table.

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3 years ago

Find allgebraiclly the equation of the axis of symmetry and the vertex of the parabola represented by the equation y=-x2-2x+1

Slav-nsk [51]

To find the vertex use -b/2a (for the x value which is also the axis of symmetry)
So 2/-2 = -1 Therefore the axis of symmetry is x=-1 Plug in for the y value:
y= -(-1)^2 -2(-1) + 1 y=-1 + 2 + 1 y=2 Vertex (-1,2)

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3 years ago

Read 2 more answers

Please help me I have been stuck on this question for ages

Finger [1]

Answer:28 green and 35 red

Step-by-step explanation:

Given

If there are r red counter and g green counter then

Probability of drawing a green counter is $P(g)=\frac{4}{9}$