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antiseptic1488 [7]
3 years ago
15

Simplify the expression

Mathematics
2 answers:
Reil [10]3 years ago
5 0

Answer:453rft

Step-by-step explanation:

BaLLatris [955]3 years ago
3 0

Answer:

-1.6r + 1.8

Step-by-step explanation:

-1.6 (r+2) +5

^ the -1.6 can be distributed to the (r+2) because it's basically multiplying

that becomes --> -1.6r + -3.2 + 5

Now the -3.2 and 5 are like terms so they can be solved together

-> -3.2 + 5 = 1.8

Now, -1.6r and 1.8 are not like terms because 1.8 does not have an r attached to it so you cannot do nothing from there

your answer becomes = -1.6r + 1.8

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Nine less than one forth of a number is 6
snow_lady [41]

Answer:

x = 60

Step-by-step explanation:

<u>Step 1:  Convert into an equation</u>

Nine less than one forth of a number is 6

1/4x - 9 = 6

<u>Step 2:  Add 9 to both sides</u>

1/4x - 9 = 6

1/4x - 9 + 9= 6+ 9

1/4x = 15

<u>Step 3:  Multiply both sides by 4</u>

1/4x * 4 = 15 * 4

x = 60

Answer:  x = 60

6 0
2 years ago
Which of the following expressions is equivalent to 13^(2)-3^(2)
Amiraneli [1.4K]

Answer:

160

Step-by-step explanation:

13² - 3² = 13 × 13 - 3 × 3 = 169 - 9 = 160

8 0
2 years ago
A rabbit can run 35 miles per hour.A fox can run 21 miles in half an hour.Which animal is faster and how much
Pachacha [2.7K]

Answer:


Step-by-step explanation:

The fox is faster. Because he is a fox.


Also because he can (assuming he doesn't fatigue or get caught by hounds in the second half of the hour) run 42 miles in 1 hour.


The rabbit runs 35 miler per hour.


Velocity = Distance/time


Fox velocity = 21 miles/0.5 hour


Dividing by 0.5 is the same as multiplying by 2, so...


Fox velocity = 42 miles/hour

6 0
3 years ago
A circle has a circumference of 450cm
anzhelika [568]

The circumference of the circle is actually the perimeter ( length of the boundary ) of the circle . And a part of the circle which lies between two distinct points on the circumference of the circle is called an arc . If the length of the arc is less than half the circumference , it is called minor arc and remaining portion which is more than half of the circle ( but natural ) is called major arc .

When these two points , which make the arc are joined separately to the centre of circle , these arms make angle at the centre . This is called the angle subtended by the arc at the centre of the circle .

There is a beautiful logical relation exists between arc length and the angle , the arc makes ( subtends ) at the centre of the circle . This relation is as under , the wholle circle subtends an angle of 360 degree at the centre . Half the circumference subtendr 360 / 2 ie 180 degree at the centre . The logical relation becomes Arc Length = Circumference × angle in degrees it ( the arc ) subtends at the centre of the circle / 360 degree . So the answer is very simple :- The Arc Length = 36 × 90 / 360 or 9 units ( may be centimetres or metres or inches , feet , yards , etc ) . Which is definitely length of the minor arc . The length of the major arc ( remaining portion of the circumstance ) is 36 - 9 = 27 units . Hence the required answer of the sum is 9 units .

3 0
2 years ago
Read 2 more answers
Answer as mixed number ( if possible) 1/3 divided by 3/5
Tanya [424]

Answer: Your Answer Is 1/5 OR 0.2  (BOTH ARE CORRECT)  (:

Step-by-step explanation:

(1/3) (3/5) =

1 3 / 3 5 =

3/15 =

1/5 OR 0.2  Hope I Helped!!! (:

4 0
3 years ago
Read 2 more answers
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