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KengaRu [80]
2 years ago
9

Can anyone help me with this not very good with math thank you if you help lol

Mathematics
2 answers:
Setler79 [48]2 years ago
8 0
4) $1.50
5) 4.5 miles
rusak2 [61]2 years ago
4 0

the answer to #5 is 4.5

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In ΔRST, t = 4.1 inches, r = 7.1 inches and ∠S=45°. Find the length of s, to the nearest 10th of an inch.
dem82 [27]

Answer:

The length of s is 5.1 inches to the nearest tenth of an inch

Step-by-step explanation:

In Δ RST

∵ t is the opposite side to ∠T

∵ r is the opposite side to ∠R

∵ s is the opposite side to ∠S

→ To find s let us use the cosine rule

∴ s² = t² + r² - 2 × t × r × cos∠S

∵ t = 4.1 inches, r = 7.1 inches, and m∠S = 45°

→ Substitute them in the rule above

∴ s² = (4.1)² + (7.1)² - 2 × 4.1 × 7.1 × cos(45°)

∴ s² = 16.81 + 50.41 - 41.1677568

∴ s² = 26.0522432

→ Take √ for both sides

∴ s = 5.10413981

→ Round it to the nearest tenth

∴ s = 5.1 inches

∴ The length of s is 5.1 inches to the nearest tenth of an inch

3 0
2 years ago
Read 2 more answers
Write the equation of the line that passes through the points (7,-4)and (−7,1). Put your answer in fully reduced point-slope for
Alika [10]

9514 1404 393

Answer:

  y +4 = -5/14(x -7)

Step-by-step explanation:

The slope can be found using the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (1 -(-4))/(-7-7) = 5/-14 = -5/14

The point-slope form is ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

Filling in the given values, we have ...

  y +4 = -5/14(x -7)

7 0
3 years ago
Samantha can run one mile in 8 minutes. At this rate how long will it take her to run in 5 miles
Serhud [2]
It would take Samantha 40 minutes to run 5 miles!!!
4 0
3 years ago
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Right answer gets Brainlist
V125BC [204]

orlando 是不对的。ABBY 是对的应为2是power

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3 years ago
5. A factory produces 1000 cans of juices in 5 days. How many cans will it produce in 15<br> days?
solniwko [45]

Answer:

3000

Step-by-step explanation:

6 0
2 years ago
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