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Ilia_Sergeevich [38]
3 years ago
14

Nolan's Term Grades

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
3 0

Ex. 85+91= 176
176 divided by 2 = 88
Therefore the minimum score he can get is a 91 
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Juan had 8 points in a trivia game he answered 3 more questions correctly for 2 points
Vlada [557]

Answer:

It's 14 pts total.

Step-by-step explanation:

He started out with 8. Then he answered 3 more questions that were 2 pts each. If you do 3x2, that would =6. Add 6 and 8, and you get 14!

6 0
3 years ago
Read 2 more answers
Two lighthouses are located 60 miles from one another on a north-south line. If a boat is spotted S 21o E from the northern ligh
jasenka [17]

Answer:

(A)The northern lighthouse is 8.2 miles closer than the southern lighthouse.

Step-by-step explanation:

The triangle attached represents the given problem.

First, let us determine the distance of the Boat from each of the lighthouse.

In Triangle ABC,

∠A+∠B+∠C=180 degrees

21+∠B+16=180

∠B=180-37=143 degrees.

Using Law of Sines

\frac{a}{Sin A}=\frac{b}{Sin B}\\\frac{a}{Sin 21^0}=\frac{60}{Sin 143^0} \\\text{Cross Multiply}\\a*sin143=60*sin21\\a=60*sin21\div sin143\\a=35.73 miles

Similarly

\frac{c}{Sin C}=\frac{b}{Sin B}\\\frac{c}{Sin 16^0}=\frac{60}{Sin 143^0} \\\text{Cross Multiply}\\c*sin143=60*sin16\\c=60*sin16\div sin143\\c=27.48 miles

Difference in Distance =35.73-27.48=8.25 miles

Therefore, the northern lighthouse is 8.2 miles closer than the southern lighthouse.

8 0
4 years ago
Which expression is equal to 45?<br>4 5<br>5 4<br>4 5<br>5 4
Hatshy [7]

Answer:

4 5

Step-by-step explanation:

4 5 = 45

5 0
3 years ago
Read 2 more answers
A x squared + b x + c. An x is drawn with a c in the top half and b in the bottom half. Factor x2 – 8x + 15. Which pair of numbe
yan [13]

Answer:

-3 and -5, (x-3)(x-5)

Step-by-step explanation:

6 0
4 years ago
Help me please I need it
tensa zangetsu [6.8K]

Answer:

width = 8 feet and length = 12 feet

Step-by-step explanation:

Let the width be w then the length = 3w - 12 ( 12 less than 3 times the width )

The area (A) of a rectangle is

A = length × width, that is

w(3w - 12) = 96 ← area of floor

3w² - 12w = 96 ( subtract 96 from both sides )

3w² - 12w - 96 = 0 ← in standard form for a quadratic equation

Divide all terms by 3

w² - 4w - 32 = 0

Consider the product of the factors of the constant term ( - 32) which sum to give the coefficient of the w- term (- 4)

The factors are - 8 and + 4, since

- 8 × 4 = - 32 and - 8 + 4 = - 4, hence

(w - 8)(w + 4) = 0

Equate each factor to zero and solve for w

w - 8 = 0 ⇒ w = 8

w + 4 = 0 ⇒ w = - 4

However, w > 0 ⇒ w = 8

Hence width = 8 feet

length = 3w - 12 = (3 × 8) - 12 = 24 - 12 = 12 feet

6 0
3 years ago
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