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2 years ago

Lindsey has ten inches of ribbon.She buys another 3 lengths of ribbon,each 5 inches long.How much ribbon does she have now

Mathematics

2 answers:

Vesna [10]2 years ago

8 0

Answer:

She has 25 inches

Step-by-step explanation:

Elan Coil [88]2 years ago

6 0

Answer:

25 inches

Step-by-step explanation:

3x5=15

15+10=25

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Step-by-step explanation:

10 tests = x tests

/ 5 weeks = / 9 weeks

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2 years ago

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List all partitions of the set. (a) (1,2) (b) [a, b,c)

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Answer: Hello mate!

The partition of a set is defined as a partition of the set into a nonempty subset, where the set itself is a subset of himself, then the set is a partition of himself.

a) in this we have a set of two objects; A = (1,2) the partitions of this set are: (∅), (1), (2) and (1,2). Where (∅) is the null set.

b) Now we have a set of three objects; B = (a,b,c) the partitions of this set are: (∅), (a), (b), (c), (a,b), (a,c), (b,c), (a,b,c)

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2 years ago

Would the answer be A ) 15 or B ) 18?

Stels [109]

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3 years ago

Which method will determine the volume of the prism with dimensions 2 times 2 1/4 times 4 shown below

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3 years ago

Find the x-intercepts of the parabola with vertex (1,-108) and y-intercept (0,-105). Write your answer in this form: (X1,y1), (x

Stolb23 [73]

Answer:

(7, 0) and (-5, 0)

Step-by-step explanation:

<u>Vertex form</u>

$y=a(x-h)^2+k$

(where (h, k) is the vertex)

Given:

vertex = (1, -108)

$\implies y=a(x-1)^2-108$

Given:

y-intercept = (0, -105)

$\implies a(0-1)^2-108=-105$

$\implies a(-1)^2=-105+108$

$\implies a=3$

Therefore:

$\implies y=3(x-1)^2-108$

The x-intercepts are when y = 0

$\implies 3(x-1)^2-108=0$

$\implies 3(x-1)^2=108$

$\implies (x-1)^2=36$

$\implies x-1=\pm \sqrt{36}$

$\implies x=1\pm 6$

$\implies x=7, x=-5$

Therefore, the x-intercepts are (7, 0) and (-5, 0)

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2 years ago