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sertanlavr [38]
2 years ago
9

Beatrice threw a stone one and seven fourteenths yards. Tilly threw a stone nine fourteenths of a yard. What is a reasonable est

imate of the difference between their two throws?
1 yard
one and one half yards
2 yards
two and one half yards
Mathematics
2 answers:
scoundrel [369]2 years ago
8 0

Answer:

1 yard

Step-by-step explanation:

7/14 is 1/2 while 9/14 is greater than 1/2 but a lot less than a whole. So a strong estimate would assume that it is (1 1/2)-(1/2) for the approximate difference in  their throws were  

kaheart [24]2 years ago
6 0
The answer would be 1 yards because 1 and 7/14 minus 9/14 is 12/14 which rounds to 1 yard
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Nadia takes 6 8/9 minutes to drive to her local shopping center from her home. She spends 1/7 of this time waiting at traffic li
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Answer:

She spends 0.98 min, that is, aprroximately 1 min waiting at traffic lights.

Step-by-step explanation:

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2 years ago
This is urgent !!! please help asap !!!
Rudik [331]

Answer:

Δ QRS ≈ Δ QST ≈ Δ SRT ⇒ 3rd answer

Step-by-step explanation:

From the given figure

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∴ m∠QST + m∠RST = m∠Q + m∠QST

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In Δ SRT

∵ m∠STR = 90°

- By using the fact above

∴ m∠R + m∠RST = 90 ⇒ (4)

- From (1) and (4)

∴ m∠QST + m∠RST = m∠R + m∠RST

- Subtract m∠RST from both sides

∴ m∠QST = m∠R

In Δs QRS and QST

∵ m∠S = m∠QTS ⇒ right angles

∵ m∠R = m∠QST ⇒ proved

∵ ∠Q is a common angle in the two Δs

∴ Δ QRS ≈ Δ QST ⇒ AAA postulate of similarity

In Δs QRS and SRT

∵ m∠S = m∠STR ⇒ right angles

∵ m∠Q = m∠RST ⇒ proved

∵ ∠R is a common angle in the two Δs

∴ Δ QRS ≈ Δ SRT ⇒ AAA postulate of similarity

If two triangles are similar to one triangle, then the 3 triangles are similar

∵ Δ QRS ≈ Δ QST

∵ Δ QRS ≈ Δ SRT

∴ Δ QRS ≈ Δ QST ≈ Δ SRT

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