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3 years ago

13

Lamont keeps track of his math grades by recording them in a table. He wants an average of 90, so he also lists the amount that

each grade is above or below 90

1 answer:

ratelena [41]3 years ago

3 0

Answer:

c

Step-by-step explanation:

hh:ggggyytgggggtttgttttttftgttgtyyygy

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In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.

fomenos

Answer:

26

Step-by-step explanation:

JKL= ABC, jkl=abc

1.) use law of sines to find k.

$c^{2} =a^{2} +b^{2} -2abCosC$

$c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515$

2.) use law of cosines to find L

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}$

plug in for b and c: $\frac{860}{sinB} =\frac{1586.225515}{sin126}$

cross multiply: $\frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}$

$sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\$

L=26

5 0

2 years ago

$3.98 divided by 100x4

Oliga [24]

$0.00995 is the correct answer.

$3.98/400=0.00995

4 0

2 years ago

Read 2 more answers

What is 33<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3%7D" id="TexFormula1" title="\frac{1}{3}" alt="\frac{1}{3}" align=

aleksklad [387]

Answer:

33.3 Repeating

Step-by-step explanation:

1. You already know that 33 is the whole number so you have 33.

2. 1/3 is converted to .3333333 so you put 33 before the decimal point

3. You get 33.3333333

Hope this helps :)

8 0

2 years ago

PLEASE HELP 2x^2-8x+6=0

aalyn [17]

Answer:

x = 4 or x = -1

Step-by-step explanation:

2x^2 - 8x + 6 =0

divide by 2 we get : x^2 -4x +3 = 0

(x -4) (x+1)

x = 4 or x = -1

7 0

2 years ago

Help please !!!

slava [35]

C is the best answer choice

8 0

2 years ago