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dmitriy555 [2]
3 years ago
12

A student scored 84 and 87 on their first two quizzes. Write and solve a compound inequality to find the possible values for a t

hird quiz score that would give them an average between 85 and 90, inclusive.
A) 80≤n≤98

B) 99≤n≤84

C) 84≤n≤99

D) -0.5≤n≤4.5
Mathematics
1 answer:
BARSIC [14]3 years ago
8 0

Answer:

The score in third quiz must be lie between 84 to 99 inclusive.

Step-by-step explanation:


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This question has 2 parts.
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Answer:

um well i can do part A

Step-by-step explanation:

its 6/24 which equals 1/4 yards

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3 years ago
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Rudiy27

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3 years ago
A triangle has angle measurements of 61°, 84°, and 35°. is this triangle isosceles?
ch4aika [34]

Answer: No

Step-by-step explanation:

This is not an isosceles triangle because there are different angle measurements. The rule of an isosceles triangle is that it must always have two equal sides and angles.

8 0
2 years ago
a ship leave port p and sails on a bearing N50 degree E to Port Q 15km away.then it sails on a bearing of S45 degree E to Port R
Shtirlitz [24]

Answer:

Port r is 100° from Port p and 26km from Port p

Step-by-step explanation:

Lets note the dimension.

From p to q = 15 km = a

From q to r = 20 km= b

Angle at q = 50° + 45°

Angle at q = 95°

Ley the unknown distance be x

Distance from p to r is the unknown.

The formula to be applied is

X²= a²+ b² - 2abcosx

X²= 15² + 20² - 2(15)(20)cos95

X²= 225+400-(-52.29)

X²= 677.29

X= 26.02

X is approximately 26 km

To know it's direction from p

20/sin p = 26/sin 95

Sin p= 20/26 * sin 95

Sin p = 0.7663

P= 50°

So port r is (50+50)° from Port p

And 26 km far from p

3 0
3 years ago
Write an algebraic expression to answer the question below. if 10 calculators cost d dollars, how much, in dollars, does each ca
kupik [55]
It should cost 8 dollars all together.
4 0
3 years ago
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