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riadik2000 [5.3K]
3 years ago
8

4/7 divided by 2 1/3

Mathematics
2 answers:
anzhelika [568]3 years ago
6 0

Answer:

answer is 2/21

Step-by-step explanation:

the explanation is in the picture

Andrei [34K]3 years ago
6 0

Answer:

\frac{12}{49}

Step-by-step explanation:

\frac{4}{7} ÷ 2 \frac{1}{3}

First, change 2 \frac{1}{3} into an improper fraction. It will make the solving process a lot easier.

2 \frac{1}{3} = \frac{7}{3}

So:

\frac{4}{7} ÷ \frac{7}{3}

Now solve by multiplying the reciprocal of \frac{7}{3} which is \frac{3}{7}

So:

\frac{4}{7} × \frac{3}{7} = \frac{12}{49}

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Find the surface area of the cone. Use 3.14 for
Natalija [7]

Answer:

A = 467.99

Step-by-step explanation:

A = 25.12 (8 + √49 + 64)

A = 25.12 (8 + √113)

A = 25.12 (8 + 10.63)

A = 25.12 (18.63)

A = 467.99

5 0
3 years ago
-x - 163 = 12x + 84
Inessa05 [86]

Answer:

X = -19

Step-by-step explanation:

Add x to both sides to get rid of -x

-163 = 13x + 84

subtract 84 from both sides

-247 = 13x

divide by 13

x = -19

6 0
3 years ago
Read 2 more answers
How in the world do I set this up?
Iteru [2.4K]

Answer:

Step-by-step explanation:

The 2 2/5 is not showing up correctly, but I think it means that you are going 2 miles + 2/5 of a mile. If that is not true, leave me a note and I'll correct it.

So 75 and 30(n - 5) represent cents (I think) per 1/5 of a mile.

1 mile has 5 fifths.

2 miles has 10 fifths

2/5 has 2 fifths.

the total is 17 fifths so n = 17

C = 75 + 30(17 - 5)

C = 75 + 30(12)

C = 75 + 360

C = 435

That means you pay 4 dollars and 35 cents.

3 0
3 years ago
X ^ 2 + 4x - 7 = 0<br><br> Solve using the Quadratic Formula
aalyn [17]

There's a special case of the quadratic formula called the Shakespeare Quadratic Formula (2b or -2b) that applies when the linear coefficient is even.

x^2-2Bx + C \textrm{ has zeros }x = B \pm\sqrt{B^2 - C}

If you're planning on solving a lot of quadratic equations quickly, it's good to know.

Here we have

x^2 + 4x - 7 = 0

so

x = -2 \pm \sqrt{2^2 - -7}

x = -2 \pm \sqrt{11}

8 0
3 years ago
Find the distance between the points: (–6, 7) and (–1, –5). In your final answer, include the formula and calculations that you
expeople1 [14]

Answer: The distance between the points (-6,7) and (-1,-5) is 13 units.

Solution:

P1=(-6,7)=(x1,y1)→x1=-6, y1=7

P2=(-1,-5)=(x2,y2)→x2=-1,y2=-5

Distance between points P1 and P2: d=?

d=sqrt [ (x2-x1)^2 + (y2-y1)^2 ]

Replacing the knwon values:

d=sqrt [ (-1-(-6))^2 + (-5-7)^2 ]

d=sqrt [ (-1+6)^2 + (-12)^2 ]

d=sqrt [ (5)^2 + 144 ]

d=sqrt [ 25 + 144 ]

d=sqrt [ 169 ]

d=13

4 0
3 years ago
Read 2 more answers
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