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KonstantinChe [14]

2 years ago

5

Lillian but for hairbrushes at $3.99 each.She had a coupon for $1 off. Her mum paid for half of the remaining cost.Evaluate a nu

merical expression to find out how much will you pay towards the purchase of the hairbrushes

1 answer:

Savatey [412]2 years ago

3 0

She will pay $1.50 for the hairbrush and her mum paid $1.50 as well

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Really really need this answer. Please help!

scZoUnD [109]

Use the cosine function.

cos x = 2/12
cos x = 0.167

use the inverse of cosine:

x = 80.405

The answer is C.

Hope this helps :)

4 0

3 years ago

PLEASE HELP ASAP T^T

chubhunter [2.5K]

9514 1404 393

Answer:

no feasible solutions

Step-by-step explanation:

There are so many inequalities that determining the area covered by all 5 of them is problematic. Hence, we have reversed all of them in the attached graph, so any feasible solution region would remain white. Alas, there is no such region.

This system of inequalities has <em>no feasible solution</em>.

3 0

2 years ago

Y=2x+1<br> y=4x-1<br> SHOW YOUR WORK PLEASE

Tanya [424]

Let's solve your system by substitution.

y=2x+1;y=4x−1

Step: Solve y=2x+1for y:

y=2x+1

Step: Substitute2x+1foryiny=4x−1:

y=4x−1

2x+1=4x−1

2x+1+−4x=4x−1+−4x(Add -4x to both sides)

−2x+1=−1

−2x+1+−1=−1+−1(Add -1 to both sides)

−2x=−2

−2x

−2

=

−2

−2

(Divide both sides by -2)

x=1

Step: Substitute1forxiny=2x+1:

y=2x+1

y=(2)(1)+1

y=3(Simplify both sides of the equation)

Answer:

x=1 and y=3

3 0

2 years ago

Suppose that many large samples are taken from a population and that the sample proportions are normally distributed, with a mea

Taya2010 [7]

Answer:

[0.16316 , 0.27684]

Step-by-step explanation:

0.22 +/- 1.96(0.029)

0.22 +/- 0.05684

[0.16316 , 0.27684]

8 0

3 years ago

( -16 + 12 ) ÷ ( -4 + 2 ) = What is the Answer<br>

slava [35]

(-16+12)/(-4+2)= (-4)/(-2)= 2

8 0

1 year ago