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3 years ago

Which expression is equivalent to x(y+z)? a)xyz b)x+y+z c)xy+z d)xy+xz

Mathematics

2 answers:

mestny [16]3 years ago

8 0

X(y + z)
= xy + xz

Answer : d) xy + xz

Mandarinka [93]3 years ago

3 0

d) xy +xz

For ex.

X= 2. Y=3. Z=4

2(3+4)
2(7)
14

2(3) + 2(4)
6+8
14

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What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8?

Alexxx [7]

The common ratio in a geometric sequence is the ratio between 2 consecutive terms:

-8/2=-4,

then the sequence is 2, -8, 32, -128, -512, 2048, ...

let $a_n$ be the nth term of the sequence, then

$a_1= 2$
$a_2=2(-4)$
$a_3=2(-4)(-4)=2(-4)^{2}$
$a_4=2(-4)(-4)(-4)=2(-4)^{3}$
.
.
.
so clearly $a_n=2(-4)^{n-1}$

and, clearly n are integers >0, since we have a 1st term, a second term and so on... of a sequence (we do not have a "zero'th term"!

Answer:

<span>C. an=2(-4)^n-1; all integers where n>0</span>

5 0

4 years ago

Heidi wants to make some biscuits using this recipe.

Andre45 [30]

The most cookies Heidy can make is 36 cookies.

<h3>How to calculate how many cookies can Heidy make?</h3>

To know how many cookies Heidy can make, you have to take into account the following information:

12 cookies need the following ingredients:

125g butter
200g flour
50g sugar

In the case in which Heidy has more ingredients, we must carry out the following operations:

Divide the quantities, in the reference quantity we have:

500g of butter ÷ 125g of butter = 4
700g flour ÷ 200g flour = 3.5
250g of sugar ÷ 50g of sugar = 5

According to the above, we must take into account the lowest value of all because if that ingredient is enough, we can infer that the rest of the ingredients also.

So the number of cookies Heidy can make are:

12 × 3.5 = 42

Learn more about ingredients in: brainly.com/question/26532763

7 0

3 years ago

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Makovka662 [10]

Number 3 =32 us cups

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3 years ago

At a track meet Sammy finished the race in 25.98 seconds. Tom finished the 100 meter race in 12.54 seconds. Which runner ran the

Basile [38]

Answer: Sammy

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Hope this helps!

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3 years ago

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AlladinOne [14]

Answer:

Step-by-step explanation:

is this a test?

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