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Law Incorporation [45]
3 years ago
6

Guys I'm stuck plz help!!!!​

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

I believe 70

Step-by-step explanation:

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When Zak first planted his flower garden, there were only 5 weeds. Every week, the number of weeds doubles. Assuming he never re
Lelechka [254]

Answer:

About the 9th week

Step-by-step explanation:

If you do 5x2x2x2x2 and keep going, there will be 9 2 when it is closest to 3,000. 5x2 9 times is 2,560 which is the closest to 3,000.

5 0
3 years ago
Hello!! i'm new here does anybody want to be friends ? i'm a girl, Russian, and play american soccer
LuckyWell [14K]

Answer:

hi!!

Step-by-step explanation:

i used to play soccer

4 0
4 years ago
Read 2 more answers
Simplify the following expression. cot^2x secx-cosx
Solnce55 [7]

ANSWER

\cos(x)   \cot ^{2} (x)

EXPLANATION

The given expression is;

\cot^{2} (x)  \sec(x)  -  \cos(x)

Change everything to

\sin(x)

and

\cos(x)

This implies that,

\frac{ \cos^{2} (x) }{ \sin^{2} (x) }  \times ( \frac{1}{ \cos(x) } )-  \cos(x)

Cancel the common factors,

\frac{ \cos(x) }{ \sin^{2} (x) }  \times ( \frac{1}{1} )-  \cos(x)

\frac{ \cos(x) }{ \sin^{2} (x) }-  \cos(x)

\frac{ \cos(x)  -  \sin ^{2} (x)  \cos(x) }{ \sin^{2} (x) }

= \frac{ \cos(x)(1  -  \sin ^{2} (x) ) }{ \sin^{2} (x) }

= \frac{ \cos(x)(\cos^{2} (x) ) }{ \sin^{2} (x) }

= \cos(x)  \cot^{2} (x)

6 0
3 years ago
5x+2y=24 and 8x+2y=30
larisa86 [58]

Answer:

x = 2

y = 7

Step-by-step explanation:

5x+2y=24  -------------->equ 1

8x+2y=30 -----------> equ 2

equ 1 - equ 2 =====>         -3x = - 6

                                               x = -6 / -3  = 2

                                               x = 2

Put x = 2 in equ 1,  

 5*2 + 2y = 24

10 + 2y = 24

        2y = 24 - 10

         2y = 14

            y = 14/2

            y = 7

3 0
3 years ago
Jack spends 1 1/2 times as long on his homework as Jill.
Minchanka [31]

Answer:

12 3/4 hours

Step-by-step explanation:

Jack spends 1 1/2 times as long on his homework as Jill .

Jill spends 8 1/2 in doing his home work .

Time spent by jack in doing his homework is jacks time multiplied by Jill’s

That’s

1 1/2 x 8 1/2

Change to improper fractions.

We have,

3/2 x 17/2

Multiply through

51/4 = 12 3/4

Jack spends 12 3/4 hours in doing his homework

4 0
3 years ago
Read 2 more answers
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