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Viefleur [7K]
3 years ago
5

Simplify 13 +4(9-7) and solve

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

21 hope this helps

Step-by-step explanation:

Sliva [168]3 years ago
4 0

Answer:

21

Step-by-step explanation:

13 + 4(9-7) =

13 + 4(2) =

13 + 8 = 21

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A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans
Firlakuza [10]

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or  1\frac{47}{60}

→ Substitute values into formula

135 ×  1\frac{47}{60}  = 240.75

8 0
3 years ago
A triangle has side lengths measuring 3x cm, 7x cm, and h cm. Which expression describes the possible values of h, in cm?
gladu [14]

Answer:

AnSum of two sides of triangle always greater than third side, so the possible values of h is:

7x-3x < h < 7x+3x

4x < h < 10x answer:

Step-by-step explanation:

5 0
3 years ago
The sum of two consecutive numbers is 71. Find the smallest number in the list
bazaltina [42]
35+36=71
35 is the answer
5 0
3 years ago
Alex invests his money in an account paying 2% interest compounded semiannually. What is the effective annual yield on this acco
Travka [436]

Answer: 2.01%.

Step-by-step explanation:

Suppose Alex invests $1 into the account for one year. The formula is A=P0⋅(1+rk)N⋅k with P0=$1. We know that r=0.02 and k=2 compounding periods per year. Now, N=1 year. Substituting the values we have A=$1⋅(1+0.022)2=$1.0201. Now, to calculate the effective annual yield, we will use the formula rEFF=A−P0P0. rEFF=1.0201−11=0.0201 or 2.01%. When rounded to two decimals, rEFF=2.01%. However, do not include the % in your answer.

3 0
3 years ago
Answer correctly= brainliest
Arturiano [62]

Answer:

12 points/14 shots = 18 points/w shots

Step-by-step explanation:

I used the graph for game 1 and 2, and plugged in the numbers.

4 0
3 years ago
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