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3 years ago

How many degrees in a triangle

Mathematics

2 answers:

Maurinko [17]3 years ago

8 0

Answer:

180 degrees are in a triangle.

AlexFokin [52]3 years ago

5 0

There are 180 degrees in a triangle.

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In ΔABC, the measure of ∠C=90°, the measure of ∠A=78°, and BC = 6.6 feet. Find the length of CA to the nearest tenth of a foot.

Vanyuwa [196]

Answer:

1.4 feet

Step-by-step explanation:

I got it right on delta

3 0

3 years ago

Sreya bought shoes for $37.57 and x pairs of socks for $1.95 each. Which expression shows the total money spent? (1 point) 37.57

Eva8 [605]

Answer:

37.57 + 1.95x

Step-by-step explanation:

The cost of the shoes is a constant, and we don't know how many socks she bought, but we know that for every pair of socks she bought, they cost would be 1.95. Since we haven't been given the total cost of the purchase, meaning how much the total was, this will be an expression. We will multiply an x against the amount (1.95), which will calculate the price for how many socks were purchased. This means the answer will be 37.57 + 1.95x.

I will clarify a little bit more on why the other answers are incorrect. The first option is 37.57x + 1.95. This is incorrect because the question is not asking how many shoes were bought, but it is questioning how many socks were bought. Option number two states 37.57x + 1.95x. This means that the number of socks and shoes are both unknown, and the question does not state that. Also, another point to make would be that we could also add these variables together, and we do not want that. Option number three states 37.57 + 1.95 + x. X cannot be a separate variable, because by stating that, it means that there would be one more object that was bought that is unknown. I hope this helps you understand my explanation a bit more.

Have a great day, and best of luck for your math problem!

4 0

3 years ago

Lulu is taking a road trip to visit family. Her car has a 20-gallon gas tank and the car uses 12 gallons to travel 216 miles.

Diano4ka-milaya [45]

Answer:

<u>The answer is G = 20 - m/18, but none of the answers given is correct.</u>

Step-by-step explanation:

1. Let's review the information given to us to help Lulu to answer the question correctly:

Capacity of the gas tank of Lulu's car = 20 gallons

Lulu can travel 216 miles using 12 gallons

2. Which linear equation represents the number of gallons of gas, G, left in the tank after driving m miles?

G = number of gallons left in Lulu's car

m = Miles driven by Lulu

miles per gallon = 216/12 = 18 miles per gallon

Now, we can write the linear equation, this way:

G = Capacity of the gas tank of Lulu's car - miles driven/miles per gallon

Replacing with the values we know:

Let's assume Lulu drives 180 miles, using our linear equation, we have:

G = 20 - 180/18

G = 20 - 10 = 10 gallons left

Let's assume Lulu drives 54 miles, using our linear equation, we have

G = 20 - 54/18

G = 20 - 3 = 17 gallons left

8 0

3 years ago

What is the value of n n+11=13

gtnhenbr [62]

Answer:

n=2

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

If mZ2 = 26, what is mZ16?

FrozenT [24]

9514 1404 393

Answer:

B. 26

Step-by-step explanation:

All acute angles in the figure are congruent. All obtuse angles in the figure are congruent. All of the even-numbered angles are acute and have the measure 26.

m∠16 = 26

5 0

3 years ago