3 years ago

I really need help on my algebra review

Mathematics

1 answer:

Ilya [14]3 years ago

5 0

Answer:

the slope becomes 3 and the graph moves up 7 units. 2. The slope becomes 5 and the graph moves down 2 units.

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If sin ZA = { and cos ZA = }, what is tan ZA?

Ainat [17]

Answer:

A: 3/4

Step-by-step explanation:

sine is the length of the opposite side / length the hypotenuse side

cosine is the length of the adjacent side / length the hypotenuse side

using what's given:

the opposite side has a length of 3
the adjacent side has a length of 4
the hypotenuse side has a length of 5

Tangent is the ratio between the opposite side length and the adjacent side length (opp/adj). With our givens, this means tan(A) = 3/4. See image for more.

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3 years ago

4)<br> At a store, pears cost $0.74 per<br> pound. How much will 3.5<br> pounds of pears cost?

erica [24]

Answer:

$2.59

Step-by-step explanation:

.74 per pound

pounds=3.5

.74x3.5=$2.59

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3 years ago

Joseph needs 345 cement blocks to build a wall 40 cm thick. He needs 205 cement blocks to build a wall 25 cm thick. Each block c

IrinaVladis [17]

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Answer:

$105

Step-by-step explanation:

The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...

140 × $0.75 = $105

The thicker wall will cost $105 more.

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3 years ago

Zanier has a cap box. The box contains 7 blue caps, 5 green caps, and 8 pink caps. Without looking, if zanier chooses a cap from

attashe74 [19]

Answer:

5/20

Step-by-step explanation:

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4 years ago

What is the mean of 13,20,15,20

il63 [147K]

Answer:

Step-by-step explanation:

all 4 numbers added up, 68, divide by the amount of numbers, which is 4, and you get the answer

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4 years ago

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