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3 years ago

Please help me ASAP 16 points

Mathematics

1 answer:

Tpy6a [65]3 years ago

6 0

Answer:

Step-by-step explanation:

you will need 60 flour because if you want to make 10 pancakes then you have to multiply it by ten.same with everything else. so for the milk, 1/4*10=2.5

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What is the common ratio and explicit formula for -2,6,-18,54?

Snezhnost [94]

Answer:

The explicit formula for a given geometric sequence is of the form

$a_{4} =\frac{1}{(a_{1})^4}$

Step-by-step explanation:

Given sequence is ${\{-2,6,-18,54}\}$

Let $a_{1}=-2,a_{2}=6,a_{3}=-18,a_{4}=54$

To find the common ratio r:

$r=\frac{a_{2}}{a_{1}}$

$=\frac{6}{-2}$

$=-3$

Therefore r=-3

$r=\frac{a_{3}}{a_{2}}$

$=\frac{-18}{6}$

$=-3$

Therefore r=-3

Therefore common ratio is -3

Therefore given sequence is geometric sequence.

The explicit formula for a geometric sequence is $a_{n}=a_{1}^{r-1}$ , where common ratio is r.

From given sequence we are having r=-3

Therefore the explicit formula for a given geometric sequence is of the form $a_{4} =a_{1}^{-3-1}$

$a_{4} =a_{1}^{-4}$

$a_{4} =\frac{1}{(a_{1})^4}$

6 0

3 years ago

Mac's age is 3 years less than twice Joe's age. The sum of their ages is 30. Find their ages.

k0ka [10]

Answer:

Mac is 19 years old, Joe is 11 years old

Step-by-step explanation:

2J - 3 = M

J + M = 30

M = 30 - J

2J - 3 = 30 - J

3J = 33

J = 11

M = 30 - 11

M = 19

4 0

3 years ago

The table shows Mitch’s record for the last thirty par-3 holes he has played.

nlexa [21]

Answer:c. 3/10

Step-by-step explanation:

4 0

3 years ago

A salesperson is guaranteed $450 per week plus a 4% commission on all sales.

solong [7]

$p\%=\dfrac{p}{100}\\\\4\%=\dfrac{4}{100}=0.04\\\\4\%\ of\ s\ dollars\ of\ sales\to0.04s\\\\An\ equation:\\\\\boxed{P=0.04s+450}$

5 0

4 years ago

Which are partcial products<br> for 34 x 28

Novosadov [1.4K]

Answer:

952

Step-by-step explanation:

34 = (30 + 4)

28 = (20 + 8)

34 x 28 = (30 + 4) x (20 + 8)

34 x 28 = 30 x 20 + 30 x 8 + 4 x 20 + 4 x 8

34 x 28 = 600 + 240 + 80 + 32

34 x 28 = 952

952 = 952

3 0

3 years ago