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Sveta_85 [38]
3 years ago
7

Pls help it’s due in 20 minutes solve by using PEMDAS

Mathematics
2 answers:
defon3 years ago
7 0

Answer:

23

Step-by-step explanation:

30/3 + 13/1

23

frez [133]3 years ago
5 0
Answer:

23

Step-by-step explanation:

2a/3 + 13 where a = 15

Step 1. Substitute a for 15

2(15)/3 + 13

Step 2. Multiply

30/3 + 13

Step 3. Divide

10 + 13

Step 4. Add

23
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Ulleksa [173]
The answer to this question is C. 0.35.

7 divided by 20 = 0.35
4 0
3 years ago
Read 2 more answers
Round your answer to the nearest tenth
KonstantinChe [14]

Answer:

D

Step-by-step explanation:

hope this helps. have a great day

4 0
3 years ago
An 8 Foot ladder leans against a building. I'd the ladder makes an angle of 60° with the ground, how far up the wall does the la
____ [38]

9514 1404 393

Answer:

  • up the wall: 4√3 ft ≈ 6.9 ft
  • along the ground: 4 ft

Step-by-step explanation:

The side ratios in a 30°-60°-90° triangle are 1 : √3 : 2. Since the hypotenuse of this triangle is 8 feet, the multiplier of these ratio values is (8 ft)/2 = 4 ft.

The triangle sides are ...

  4 ft : 4√3 ft : 8 ft

The ladder reaches 4√3 ≈ 6.9 ft up the wall. Its base is 4 ft from the building.

4 0
3 years ago
Find the distance between the points (6,5) and (4,-2). use of the graph is optional
Alexus [3.1K]

Answer:

√53

Step-by-step explanation:

Distance between two points =  

√(4−6)^2+(−2−5)^2

√(−2)^2+(−7)^2  

= √4+49

=√53

= 7.2801

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6 0
3 years ago
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the sum of three numbers is 85. The second is 7 more than the first. The third is 2 more than four times the second. Find the nu
Jet001 [13]
The first number - x
The second number is 7 more than the first - x+7
The third number is 2 more than 4 times the second - 4(x+7)+2
The sum of the numbers is 85.

x+x+7+4(x+7)+2=85 \\
x+x+7+4x+28+2=85 \\
6x+37=85 \ \ \ |-37 \\
6x=48 \ \ \ |\div 6 \\
x=8 \\ \\
x+7=8+7=15 \\
\\ 4(x+7)+2=4 \times 15+2=60+2=62

The numbers are 8, 15 and 62.
8 0
3 years ago
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