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4 years ago

PLZ Help!!!! Medal and Fan!! Plz i really need help on this problem.

Mathematics

2 answers:

Natasha_Volkova [10]4 years ago

8 0

Answer:

Its D

Step-by-step explanation:

Anit [1.1K]4 years ago

6 0

I would say the correct answer is D.

It corresponds with the statement made in the question, saying that 95%(the majority) of customers who rated the store as having high quality service returned.

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Ea+ec=5.40, ec*2=s,ea/2=s What is Ec?

alexandr402 [8]

I have no idea I am only in Middle School

3 0

3 years ago

Find pb, if pj=14 and jb= 28

anyanavicka [17]

Answer:

Step-by-step explanation:

Based on the information given, point j is the midpoint, as it is shared by both line segments. Set the equation:

pb = pj + jb

Note:

pj = 14

jb = 28

Plug in the corresponding numbers to the corresponding variables:

pb = pj + jb

pb = 14 + 28

pb = 42

pb = 42 is your answer.

3 0

3 years ago

Read 2 more answers

One Saturday, Sam and Joe worked together to mow lawns. Sam started at 8:00 AM and Joe started at 11:00 AM. When they finished a

goblinko [34]

Sam worked from 8am to 4pm, for a total 8 hours.
Joe worked from 11 am to 4 pm, for a total of 5 hours.

Combined, they worked 8 + 5 = 13 hours, and earned $156.
That means they earned 156 ÷ 13 = $12 per hour

Sam worked 8 hours, so he should receive 8 * 12 = $96

Joe worked 5 hours, so he should receive 5 * 12 = $60

Answer is $60

3 0

3 years ago

Read 2 more answers

Solve sin^4(x)+cos^4(x)=cos4x

ICE Princess25 [194]

$\sin^4x=(\sin^2x)^2=\left(\dfrac{1-\cos2x}2\right)^2=\dfrac{1-2\cos2x+\cos^22x}4$
$\cos^4x=(\cos^2x)^2=\left(\dfrac{1+\cos2x}2\right)^2=\dfrac{1+2\cos2x+\cos^22x}4$

$\implies \sin^4x+\cos^4x=\dfrac{2+2\cos^22x}4=\dfrac{1+\cos^22x}2$

$\cos^22x=\dfrac{1+\cos4x}2$
$\implies\sin^4x+\cos^4x=\dfrac{1+\frac{1+\cos4x}2}2=\dfrac{3+\cos4x}4$

So the equation reduces to

$\dfrac{3+\cos4x}4=\cos4x$
$\dfrac34=\dfrac34\cos4x$
$\cos4x=1$

We have $\cos\theta=1$ whenever $\theta=0+2k\pi=2k\pi$ , where $k$ is any integer. This means for this equation we have solutions at

$4x=2k\pi\implies x=\dfrac{k\pi}2$

6 0

4 years ago

What is 10÷5/8 in a math order.

Sedbober [7]

If you would like to calculate 10÷5/8, you can do this using the following steps:

10÷5/8 = (10/5)/8 = 2/8 = 1/4 = 0.25

The correct result would be 1/4 or 0.25.

3 0

4 years ago