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2 years ago

A knife is four times the amount of a spoon.

1 answer:

7 0

Its should be 15 bc if you added 12 + 16 = 28 and then divide that 105.64/28 you will get 3.77 and turn that by 4 you get 15

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The first term of an arithmetic sequence is 5, and the tenth term is 13. Find the common difference

RideAnS [48]

Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is $d=\frac{8}{9}$

Step-by-step explanation:

The first term a₁ = 5

The tenth term a₁₀ = 13

Find Common difference d=?

The formula used for arithmetic sequence is:

$a_{n}=a_{1}+(n-1)d$

where aₙ = nth term

a₁= 1st term

d= common difference

Finding d:

$a_{10}=a_{1}+(n-1)d\\Putting\,\,values\,\,a_{10}=13, a_{1}=5 and n=10\\13=5+(10-1)d\\13-5=9d\\8=9d\\d=\frac{8}{9}$

So, Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is $d=\frac{8}{9}$

Keywords: arithmetic sequence

Learn more about arithmetic sequence at:

#learnwithBrainly

4 0

3 years ago

The difference of 2 and the product of 3 and k

kupik [55]

I don't really understand what you are looking for but from what i understand, the answer would be 3k - 2

8 0

4 years ago

two towers labeled Tower A and Tower B some distance apart and a fire image at a certain distance from both towers Towers A and

astra-53 [7]

Answer:

7.0 mi

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle C

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

$A+B+C=180^o$

substitute the given values

$42^o+64^o+C=180^o\\C=180^o-106^o=74^o$

step 2

Find the measure of a

Applying the law of sines

$\frac{c}{sin(C)}=\frac{a}{sin(A)}$

substitute the given values

$\frac{10}{sin(74^o)}=\frac{a}{sin(42^o)}$

solve for a

$a=\frac{10}{sin(74^o)}sin(42^o)\\a=7.0\ mi$

8 0

3 years ago

Read 2 more answers

A rope weighs 800 grams per meter of length. What is the weight in kilograms of 12.2 meters of the rope?

finlep [7]

Answer: the weight in kilograms is 9.76kg

Step-by-step explanation:

1 meter of length of rope = 800 g

12.2 meters of the rope= (12.2meters x 800g)/ 1 meter=9760grams

We know that 1000 g = 1kg

9760 grams = 9760/1000=9.76 kilograms

4 0

3 years ago

An integer between 4.5 and 5.5

Brums [2.3K]

Answer: 5

Step-by-step explanation:

the only whole number between them is 5 <3

3 0

3 years ago