How do you solve this? 3w+2<2w+5

Answers

Answer 1

Answer: 3w + 2 < 2w + 5

First, subtract 2 from both sides. / Your problem should look like: $3w \ \textless \ 2w + 5 - 2$
Second, simplify. / Your problem should look like: $3w \ \textless \ 2w + 3$
Third, subtract 2w from both sides. / Your problem should look like: $3w - 2w \ \textless \ 3$
Fourth, subtract 3w - 2w to get w. / Your problem should look like: $w \ \textless \ 3$

Answer: w < 3

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If a pizza costs 2.85 to make and customer pays 8.95 how much profit have I made as a percentage

Answers

8.95-2.85 = 6.1 (this is the profit)
the % is 6.1÷8.95 × 100 = 68% (nearest whole number)

hope this helps :)

Jordans have a rectangular garden. want to build a diagonal pathway across he garden. the length of pathway is 90 ft. width of garden is 5 times more than 2 times the length of garden. what is length of garden?

Answers

so we see the pythagorean theorem
a^2+b^2=c^2
diagonal=c
width=a or b, pick one
width=a
legnth=b
width is 5 times more than 2 times legnth of garden
w=5(2legnth)
this doesn't make sense since the legnth is normally longer than the width, but we'll stick with that
w=5(2l)
w=10l
a=10b
(10b)^2+b^2=90^2
100b^2+b^2=8100
101b^2=8100
divide by 101
b^2=80.198 aprox 80.2
square root
8.95533
legnth of garden =8.96
to find width subsitue
w=10l
w=89.56

legnth=8.96
width=89.56

P=2l+2w
w=5(2l)
45=10l
4.5=l
---------------
P=2l+2(5(2l))
P=2l+20l
P=22l
P=99

9(n-4)-7n=32-2(n+8)

Answers

Answer:

answer is 13

Step-by-step explanation:

hope it helps.

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward
2) If a is negative, the parabola opens upward
3) If a is positive, the parabola open upward
4) If c is negative, the parabola opens downward

Answers

Tha answer is 3) if a is positive, the parabola opens upward. You can see that when you imagine what happens when x is large. In that case bx + c is small compared to ax^2, and the value of the function is dominated by the terms ax^2. x^2 is positive always, so the sign of ax^2 is given by a. Then if a is positive the extreme values of the function (x positively large and x negatively large) are positive, which is the case when the parabola opens upward.

C=-4 D=5 P=2 Q=-1

4cd×10×2p÷50d+20q=??

Answers

This is very simple; don't you worry.
Let's start by breaking down the problem so that it's not overwhelming.
For now, we're only going to focus on the very beginning of the problem -- 4c.
When a number is next to a letter with no signs in between (in terms of this kind of math), the number is called a coefficient and the letter is called a variable. When you see this in math, it means that the coefficient is being multiplied by the variable. But how do you know what the variable is?
In other examples of math, you'd have to solve for the variable, but in this case, they already give it to you! Look back at the top... what does C equal? It equals 4! This means that 4c is actually 4x4, or 4(4)!
What we just did there, changing 4c to 4 multiplied by 4, is called substitution. You just substituted the c with 4. Now you know that to solve this, you need to use the method of substitution. What do you get if you substitute all of the variables with the numbers they equal (as shown above)...?

((4*-4)*5)((10(2*2))/(50(5)))+20(-1). You didn't use parentheses to separate the term /50d + 20q, so I'm assuming that the first part of the problem is only divided by just 50d, and not 50d+20q. In the future, be sure to clarify with parentheses. Anyway...
((4*-4)*5)((10(2*2))/(50(5)))+20(-1). Do NOT let this scare you. All the parentheses do is help you see what is being multiplied. All that's left is simple order of operations! You should get -340 as your answer.

What is the simplified form of the quantity of x plus 4, all over 5 + the quantity of x plus 5, all over 5

Answers

(x+4)/5 + (x+5)/5
Same denominator, so put both numerators together on top of 5:
[(x+4) + (x+5)]/5
Combine like terms:
(2x+9)/5

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