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worty [1.4K]
3 years ago
7

10 points

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0

Answer:

4/13

Step-by-step explanation:

there are 8 letters in the word alphabet and there are 26 letters in the whole alphabet all together

this makes it 8/26

then yoy simply this by dividing by 2 which is 4/13

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svetlana [45]
1.

Answer D. (75%)

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3 years ago
Encuentren dos números cuyo cociente sea -1 y que la resta del primero menos el segundo sea -3/2
miskamm [114]

Answer:

\dfrac{3}{4}\ \text{and}\ \dfrac{-3}{4}

Step-by-step explanation:

Find two numbers whose quotient is -1 and the subtraction of the first minus the second is -3/2

Let two numbers are x and y. When they are divided the quotient is -1. So,

\dfrac{x}{y}=-1

It can also be written as :

x = -y ....(1)

The subtraction of first minus the second is -3/2 .

x-y=\dfrac{-3}{2}\ .....(2)

Use equation (1) in (2),

-y-y=\dfrac{-3}{2}\\\\-2y=\dfrac{-3}{2}\\\\y=\dfrac{3}{4}

From equation (1) : x=\dfrac{-3}{4}

Hence, two numbers are \dfrac{3}{4}\ \text{and}\ \dfrac{-3}{4}.

4 0
3 years ago
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kompoz [17]

Answer:

3. 273

4. 168

5. 189.25

Step-by-step explanation:

3. Triangle= .5 x 17 x 6 = 21

Rectangle= 18 x 14 = 252

252 + 21 = 273

4. Big rectangle (shaded)= 11 x18= 198

Small rectangle (right)= 5x4=20

Smaller rectangle (left)= 2x5=10

BR - (SR+SMR)

198-30=168

5. radius=5

Area of the circle= 25(pi)

Semi-circle= 39.25(not exact)

Rectangle= 10 x15=150

Rectangle + Semi-circle

150+39.25=189.25

3 0
3 years ago
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yawa3891 [41]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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