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Ad libitum [116K]
3 years ago
8

Probability help please with questions 1, 2, 3, 4, 5 and 7 please? Thanks in advance! I appreciate your time so much!

Mathematics
1 answer:
Katarina [22]3 years ago
7 0
1. 3/6 = 1/2
2. 5/6
3. 3/6 : 3/6 = 3 : 3
4. 3/6 : 3/6 = 3 : 3
5. 5/6 : 1/6 = 5 : 1
7. 3/6 × 1/2 = 1/4
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Peter & Alex share a lottery win of £4450 in the ratio 4 : 1. Peter then shares his part between himself, his wife & the
Dominik [7]

Answer:

His wife gets $1068 more than his son.

Step-by-step explanation:

Peter and Alex:

Peter gets \frac{4}{4+5} = \frac{4}{5} of the total amount.

\frac{4*4450}{5} = 3560

Peter gets $3560. He divides with his wife and son.

Peter gets \frac{1}{1+6+3} = \frac{1}{10} of the amount, the wife gets \frac{6}{1+6+3} = \frac{6}{10} and the son gets \frac{3}{1+6+3} = \frac{3}{10}

Wife:

\frac{6*3560}{10} = 2136

His wife gets $2136

Son:

\frac{3*3560}{10} = 1068

How much more does his wife get over their son?

2136 - 1068 = 1068

His wife gets $1068 more than his son.

4 0
4 years ago
Write the equation of each circle given its center and a point P that it passes through
Sedbober [7]

Answer:

(x-1)^2+(y+2)^2=25.

Step-by-step explanation:

If the center of the circle is (1,-2) and the circle passes through the point (4,2), then the radius of the circle is

r=\sqrt{(1-4)^2+(-2-2)^2}=\sqrt{9+16}=5.

The equation of the circle with center (x_0,y_0) and radius r is

(x-x_0)^2+(y-y_0)^2=r^2.

In your case, the equation is

(x-1)^2+(y+2)^2=25.

8 0
3 years ago
Read 2 more answers
Which ordered pair in the form (x,y) is a solution of this equation? 7x-5=1
leva [86]
ANSWER

B. (-2,-3)

EXPLANATION

The given equation is

7x - 5y = 1

We want determine which of the ordered pairs is a solution to the given equation.

For point A(-3,-2)

7( - 3) - 5( - 2) = 1

- 21 + 7 = 1

This statement is false.

For option B(-2,-3)

We have

7( - 2) - 5( - 3) = 1

- 14 + 15 = 1


For option C(0,4)

We have

7(0) - 5(4)=1

0 - 20=1


For option D(4,0)

We have

7(4) - 5(0)=1

28 - 0=1

This statement is false.
8 0
4 years ago
The original price of an item was $20.00. It was marked up 25%. What is the new selling price?
Gre4nikov [31]

Answer:

$25

Step-by-step explanation:

Multiply $20 by 0.25 (which is 25% as a decimal)

$20 x 0.25 = $5

Add $5 to $20 which makes the answer $25

3 0
3 years ago
Read 2 more answers
Answer the question for brainliest. <br>(Simplify Please)
mr_godi [17]

1 \frac{2}{5} m -  \frac{3}{5} ( \frac{2}{3} m + 1)

\frac{7}{5} m -  \frac{6}{15} m -  \frac{3}{5}

\frac{21}{15} m -  \frac{6}{15} m -  \frac{3}{5}

( \frac{(21 - 6)m}{15} ) -  \frac{3}{5}

\frac{15}{15} m -  \frac{3}{5}

1m -  \frac{3}{5}

m -  \frac{3}{5}

5 0
3 years ago
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