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Gnesinka [82]
3 years ago
9

Evan can jog 1 1/3 miles in 1/4 hour. Part a find his average speed in miles per hour

Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Answer: ↓↓↓

Step-by-step explanation:

Part A

1/4 × 4 = 1

1 1/3 × 4 = 5 \frac{1}{3}

He jogs 5 \frac{1}{3} per hour.

Part B

 1 hr - 5 \frac{1}{3} miles

3 hrs - 5 \frac{1}{3} × 3

5 \frac{1}{3} × 3 = 16

He jogs 16 miles in 3 hours

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What is the value of the expression 5b+3c-20+3b-15c+4 when b= 2 and c= -3
Molodets [167]

Answer: 36

Step-by-step explanation:

5(2)+3(-3)-20+3(2)-15(-3)+4

10-9-20+6+45+4

-19+55

36

3 0
3 years ago
If angle 1= 105°, angle 12= (3x + 15)°, and angle 7 = (8y-5)°, determine the values<br> of x and y.
Darina [25.2K]

The value of the variable x is 30° and the value of the variable y is 10°.

The missing diagram is attached below.

<h3>What is an angle?</h3>

The angle is the distance between the intersecting lines or surfaces.

Corresponding angle – If two lines are parallel, then the third line. The corresponding angles are equal angles.

Vertically opposite angle – When two lines intersect, then their opposite angles are equal.

Linear angle – If the total of two angles is 180 degrees, they are said to be linear angles.

∠1 = ∠5 = ∠9 = 105° (corresponding angles)

∠1 = ∠4 = 105° (Vertical opposite angles)

∠1 + ∠2 = 180° (linear angle)

       ∠2 = 75°

∠2 = ∠3 = 75° (Vertical opposite angles)

∠3 = ∠8 = ∠12 = 75° (corresponding angles)

If angle ∠1 = 105°, angle ∠12 = (3x + 15)°, and angle ∠7 = (8y-5)°.

Then the value of x and y will be

   ∠9 = ∠12

   ∠1 = ∠12

105° = (3x + 15)°

  3x = 90°

    x = 30°

∠6 = ∠7

75° = (8y – 5)°

8y = 80°

  y = 10°

More about the angled link is given below.

brainly.com/question/15767203

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7 0
2 years ago
Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using algerbreaic representations or visual models
Bingel [31]
25% of 15 is the same as 15% of 25
25%=25/100
25% of 15=(25/100)15=(25*15)/100

15%=15/100
15% of 25=(15/100)25=(25*15)/100

Therefore:
25% of 15=15% of 25
because:
(25/100)15=(15/100)25
(25*15)/100=(25*15)/100
3.75=3.75
5 0
3 years ago
Solve similar triangles advanced part 1​
balu736 [363]

9514 1404 393

Answer:

  x = 4

Step-by-step explanation:

Corresponding segments of similar triangles are proportional. Here, the similar triangles are ...

  ΔABC ~ ΔADE

so the relationship between the sides is ...

  BC/BA = DE/DA . . . . . . we put the unknown value in the numerator

  x/4 = 12/(4+8)

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The length of side x is 4.

4 0
3 years ago
What is 1/2÷8? thanks
shusha [124]

Answer: 1/16

0.0625

Step-by-step explanation:

6 0
3 years ago
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