3 years ago

I’m having trouble with this

Mathematics

1 answer:

lara [203]3 years ago

8 0

Answer:

24 or 25, because of the max height it can reach on the graph, its reaching the maximum height it can go

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Wade has already spent $7 of his earnings. He could represent the total amount he has left using the expression a − 7 ⁢ .

valentinak56 [21]

The answer is b because 7 plus 2 equals 9 and a equals whole amount then his current amount is A-9

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3 years ago

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there are seven people and Luisa's family they have four loaves of cinnamon bread to share equally Luisa wants to know how much

makvit [3.9K]

Answer:

$\frac{4}{7}$ of a loave of bread per person

Step-by-step explanation:

Step 1: Convert words to expressions

Seven people in Luisa's Family = 7 people

Four loaves of cinnamon bread = 4 loaves

Step 2: Divide people from loaves

4 loaves / 7 people <- This means they are splitting 4 loaves of bread between 7 people

$\frac{4}{7}$ of a loave of bread per person

Answer: $\frac{4}{7}$ of a loave of bread per person

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3 years ago

Please help using law of cosines!

Tamiku [17]

Answer:

∠ A ≈ 48°

Step-by-step explanation:

Using the Cosine rule to find an angle

cosA = $\frac{b^2+c^2-a^2}{2bc}$

with a = 10, b = 13 and c = 11

cosA = $\frac{13^2+11^2-10^2}{2(13)(11)}$

= $\frac{169+121-100}{286}$

= $\frac{190}{286}$ , thus

A = $cos^{-1}$ ( $\frac{190}{286}$ ) ≈ 48° ( to the nearest degree )

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4 years ago

Solve: r/5 - 6 = -1 A) r = 1 B) r = 5 C) r = 10 D) r = 25

nadezda [96]

r/5 - 6 = -1

add 6 to both sides

r/5 = 5

multiply both sides by 5

r = 5 *5 = 25

r = 25

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3 years ago

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Vinvika [58]

Answer:

4x^2 -5x + 1 - 2x^2 - 9x + 6

2x^2 - 14x + 7

Step-by-step explanation:

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4 years ago

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