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photoshop1234 [79]
3 years ago
8

Previous Question 24 Next = Question 24 Karli bought 2.5 pounds of beef each week for 4 weeks. She paid $3.30 per pound for beef

. How much did Karli spend on beef after 4 weeks?​
Mathematics
2 answers:
Vlada [557]3 years ago
7 0

How to use techniques of adding the additive inverse and multiplying by the  Students use algebra to solve equations (of the form px + q = r and p(x + q) = r where p pay with a $10 bill and receive no change, then how much did each bottle of a. If Allen buys 4 uniform shirts at one time, he gets a $10 discount so that the

Lesechka [4]3 years ago
6 0

Answer:

She spent $33

Step-by-step explanation:

2.5 x $3.30= $8.25 spent per week

$8.25 x 4= $33 spent after 4 weeks.

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If a and b are the zeros of the quadratic polynomial 4x2+4x+1, find the value of a/b+b/a?
kow [346]

Answer:

2

Step-by-step explanation:

First you need to factor your quadratic equation. You'll get (2x+1)(2x+1). Your two zeroes will be -1/2 and -1/2 with one being a, the other b. So then

a/b = (-1/2)/(-1/2)

and

b/a = (-1/2)/(-1/2)

Both reduce to 1. So a/b + b/a is 1+1=2

7 0
3 years ago
PLEASE HELP I don't understand at all please help
daser333 [38]
I would use the Law of Sines to solve this problem.
The angle next to the 58 degree angle is 122 degrees. The side opposite this angle is 3.72 km.
The angle we need to find is at the cave. The side opposite this angle is 2.60 km.
(Sin 122/3.72) = (Sin x/2.60)
Cross multiply to solve.
3.72 Sin x = 2.60 Sin 122
Divide both sides by 3.72
Sin x = (2.60 Sin 122)/3.72
Sin^-1 x = (2.60Sin122)/3.72
x = 36 degrees
7 0
3 years ago
In a school canteen, a cup of tea costs 60p.
nataly862011 [7]

The expression for the cost function is cost=60y.

We have given that,

a cup of tea costs 60p.

We have to determine the cost function.

<h3>What is the cost function?</h3>

In mathematical optimization and decision theory, a loss function or cost function is a function that maps an event or values of one or more variables onto a real number intuitively representing some cost associated with the event. An optimization problem seeks to minimize a loss function.

Cost=no of cups(price for one cup)

cost=60y

Therefore the expression for the cost function is cost=60y.

To learn more about the cost visit:

brainly.com/question/1153322

#SPJ1

6 0
3 years ago
While doing a math problem in class, Jared's answer was different from his teacher's. So she had him come up and work the proble
k0ka [10]

Answer: The correct option is B-He left out the place holder under the 4.

Step-by-step explanation:

Consider the provided multiplication.

Jared need to multiply 36.47 with 12

The correct multiplication should be:

36.47

×    12

 7294

36470

43764

Now consider the Jared's work he just left out the place holder under the 4.

Because it is not just 1×36.47 it is actually 10×36.47, so he needs to add a zero under the number 4.

6 0
4 years ago
How much will you have to pay back in total if you borrowed $400 from the bank for a year at 12%
vodka [1.7K]
1) figure out interest amount

400x.12= 48

2) add interest and loan amount

400+48= 448
3 0
2 years ago
Read 2 more answers
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