3 years ago

Please help, will give 50 points!!

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

8 0

Answer:

I strongly believe it’s C.

____ [38]3 years ago

8 0

Answer:

i believe its c

Step-by-step explanation:

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a_sh-v [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Steph needs 2 1/2 cups of flour and 5cups of sugar for her recipe. How many cups of flour would she need for 10 cups of sugar

Ghella [55]

Answer:

5 cups of flour.

Step-by-step explanation:

she needs 2 times the amount of sugar as she does flour. (or half as much flour as sugar) 2.5 C of flour times 2 is 5 C of sugar.. so if she needs 10 C of sugar divided by 2 is 5C of flour.

1.) 2.5×?=5

2.)5÷2.5=2.....?=2

3.)10C sugar÷2=5C flour

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3 years ago

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alexandr1967 [171]

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3 years ago

Find the sum of 3+9+27...+6561

Nikolay [14]

The sum of the first n terms of a geometric series with first term a₁ and common ratio r is given by the formula
$S_{n}=a_{1}\cdot\dfrac{r^{n}-1}{r-1}$

Then your sum is
$\sum\limits_{n=1}^{8}3^{n}=3\cdot\dfrac{3^{8}-1}{3-1}=9840$

The sum of this geometric series with first term 3 and common ratio 3 is ...
J 9840

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4 years ago

*** Please Help***<br><br> Find the 15th term in the pattern 6 ∙ n^2.

yawa3891 [41]

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3 years ago