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3 years ago

Farmer gray has 30 flowerpots. He plants 10 seeds in each pot. How many seeds does he plant?

2 answers:

8 0

You just have to do 30 (flowerpots) times 10 (10 seeds in each pot), and 30 times 10 is 300, so Farmer Gray plants 300 seeds.

beks73 [17]3 years ago

5 0

He plants 40 seeds in each flowerpots

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A student downloaded a new game on her phone that was recommended by her friend. She wanted to show her friend how good

anygoal [31]

Answer:

a. 587

b. 543

Step-by-step explanation:

a. Mean = sum / number of numbers

To find the sum, we can add the numbers up.

432 + 543 + 348 + 788 + 823 = 2934

There are 5 numbers. Our mean is thus

2934/5 = 586.8, or 587 when rounding up. We round up because we have a .8 at the end, and 8 ≥ 5

b. To find the median, we first must order the numbers. The numbers ordered are this:

348 , 432 , 543 , 788 , 823

To find the median, we can cross off one number on each side until we are left with one or two numbers.

348 , 432 , 543 , 788 , 823

cross out one number from each endpoint

432 , 543 , 788

cross out one number from each endpoint

543

7 0

2 years ago

Simplify. ( exponents )

oee [108]

We need only realize that 1(-8)(-6)=48 to see that C) is the only answer from those choices that can be an answer.

7 0

3 years ago

Read 2 more answers

If cos x= sin(20 + x)° and 0° < x < 90°, what is the value of x

ZanzabumX [31]

If cos x= sin(20 + x)° and 0° < x < 90° then value of x is 35 degrees

<em><u>Solution:</u></em>

Given that:

$cos x= sin (20 + x)$

We know that,

$sin (a+b)=sin a \times cos b+cos a \times sin b$

$cos x= sin (20 + x) = sin 20 cos x + cos 20 sin x$

$cos x-sin20 \times cos x=cos 20 \times sin x$

Taking cos x as common,

$cos x(1-sin 20)=cos 20 \times sin x$

$\frac{(1-sin 20)}{(cos 20)}=\frac{sin x}{cos x }\\\\tan x = \frac{(1-sin 20)}{(cos 20)}$

By trignometric functions,

sin 20 = 0.34202

cos 20 = 0.939692

So,

$tan x = \frac{1 - 0.34202}{0.939692}\\\\tan x = 0.7002$

Therefore,

x = arc tan (0.7002)

x = 35 degrees

Therefore value of x is 35 degrees

<h3><u>Method 2:</u></h3>

cos x = sin (20 + x)

sin and cos are co - functions, which means that:

cos x = cos [90 - (20 + x)]

cos x = cos (90 - 20 - x)

cos x = cos (70 - x)

Therefore, x = 70 - x

x + x = 70

2x = 70

x = 35

Therefore value of x is 35 degrees

3 0

3 years ago

Please help! ;)------

AlexFokin [52]

Answer:

The answer is c

Step-by-step explanation:

When there is a division with the sae variable and different exponent, you substract the exponent from the denominator from the one in the numerator.

$f^{9}/f^{3}=f^{9-3}$

3 0

3 years ago

Worker A can a task in 9 hours while worker B can complete the same task in 4 hours. How long (in hr) would it take the workers

chubhunter [2.5K]

Answer: $\bold{\dfrac{36}{13}\ hours}$

<u>Step-by-step explanation:</u>

$Worker\ A: 1\ job\ in\ 9\ hours=\dfrac{1}{9}\\\\Worker\ B: 1\ job\ in\ 4\ hours=\dfrac{1}{4}\\\\Total: 1\ job\ in\ x\ hours=\dfrac{1}{x}\\\\\\Worker\ A+Worker\ B = Total\\\\\dfrac{1}{9}+\dfrac{1}{4}=\dfrac{1}{x}\\\\\dfrac{1}{9}(36x)+\dfrac{1}{4}(36x)=\dfrac{1}{x}(36x)\\\\4x + 9x = 36\\\\13x = 36\\\\.\ x=\dfrac{36}{13}\\\\.\quad =2\dfrac{10}{13}\ hours$

6 0

3 years ago