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ExtremeBDS [4]
3 years ago
6

Help please!?

Mathematics
2 answers:
morpeh [17]3 years ago
6 0
The answer is D P=4.5x-5
Drupady [299]3 years ago
5 0
I'm almost certain it's D. Because if Rachel buys x amount of T-shirts for $3.50 each. And she turns around and sells them for $8. Subtract $3.50 from the $8 she sells them for which gives you her profit which is $4.50 in profit per T-shirt minus $5 each week for advertisement. Hope that helps.
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Help!
alex41 [277]
A) 5/2x^3-9/4x^2+7/2x-3/2
b) the ans. are not the same.

8 0
3 years ago
Work out the simultaneous equation for 3x+ 4 = 40<br> 9x– 7y = -13
butalik [34]

Answer:

Step-by-step explanation:

symmmmmmmmmmm

4 0
3 years ago
timur paid $4.50 to enter the fair. he then bought a pretzel for $1.50 and played a game $1. last he rode a roller coaster for $
Soloha48 [4]
X-(4.5+1.5+1+3)= 8
x-10=8
+10. +10
x= 18

He took $18 to the fair. You take his original amount and subtract the things he paid for/bought to get what he came home with. I hope it helps!
8 0
2 years ago
for all values of x , a function f is defined by f(x)=x^2+7x+12 if f(a)=2, what could be the value of a?​
Evgesh-ka [11]

Answer:

a = -2 or a = -5

Step-by-step explanation:

We want f(a) = a^2 + 7a + 12 = 2. We can subtract 2 from both sides of this equation to get a^2+7a+10=0. We can factor this to get that (a+2)(a+5)=0. When the product of two numbers is equal to zero, one of the numbers must be equal to zero. This means that either a + 2 = 0, in which case a = -2, or a + 5 = 0, in which case a = -5.

4 0
2 years ago
What is £56 divided in a ratio of 3:5?
Luda [366]
First, add the ratio together to get the denominator of the fraction you will use to determine the share. 3+5= 8. Now, you have two fractions: 3/8 and 5/8. Next, just find 3/8 and 5/8 of 56 to get your answers:
(56÷8)×3= <span>£21
</span>and
(56÷8)×5= <span>£35</span>
7 0
3 years ago
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