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Lana71 [14]
3 years ago
10

The question is in the picture PLEASE HURRY!!!!

Mathematics
2 answers:
dsp733 years ago
8 0

Answer:

1, 3, 5

Step-by-step explanation:

patriot [66]3 years ago
6 0

Answer:

A, C, and E

Step-by-step explanation:

Explanation for A.) 25 x the number of shirts has to be <u>less than</u> 300 and this means 25s < 300

Explanation for C.) Divide both sides by 25 which turns it into s < 12. < = open circle.

Explanation for E.) The value of s is less than the value of 12 which means the arrow points left.

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(1 - cos ß)(1 + cos ß) =1/cosec^2(ß)
iVinArrow [24]

Step-by-step explanation:

L.H.S=(1-cosB)(1+cosB)

=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}

=sin^2B

=1/cosec^2B

Therefore,L.H.S=R.H.S proved

5 0
3 years ago
Solve 2x + 3y = C, for y
natta225 [31]

Answer:

y= \frac{c-2x}{3}

Step-by-step explanation:

2x+3y=C

isolate y

3y=C-2x

y= \frac{c-2x}{3}

6 0
3 years ago
Read 2 more answers
The mass of a grain of sand is about 10^-3 gram. About how many grains of sand are in the bag of sand?
nika2105 [10]

there are 10 million grains in that bag of sand this is because one grain equals to 10 power -3 what about 10 kg you change it into grams then you cross multiply and get the answer

8 0
3 years ago
HELP HELP HELP
mojhsa [17]

Answer:

2998 ; 17%

Step-by-step explanation:

Given the function:

t(c)=-3970.9(ln c)

c = % of carbon remaining ; t = time

1.) c = 47% = 47/100 = 0.47

t(0.47) = - 3970.9(In 0.47)

t = - 3970.9 * −0.755022

t = 2998.119

t = 2998

B.)

t = 7000

t(c)=-3970.9(ln c)

7000 = - 3970.9(In c)

7000 / - 3970.9 = In c

−1.762824 = In c

c = exp(−1.762824)

c = 0.1715596

c = 0.1715596 * 100%

c = 17.156% ; c = 17%

8 0
3 years ago
Read 2 more answers
What is 3x+70=8x-20 show work
Elena-2011 [213]

Answer:

Hi there!

Your answer is:

x= 18

Step-by-step explanation:

3x+70=8x-20

Isolate x on left side

3x+70=8x-20

-8x       -8x

-5x +70 = -20

Isolate whole numbers on right side

-5x +70 = -20

      -70      -70

-5x = -90

Isolate x by dividing both sides by -5

-5x = -90

/-5

x= 18

6 0
3 years ago
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