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never [62]
2 years ago
8

Maria practised football for 1 2/5 hours on Friday and 2 2/3 hours on Saturday. How many hours of football did she practice alto

gether?
Mathematics
2 answers:
Nana76 [90]2 years ago
7 0

Answer:

4 hours and 4 minutes

Step-by-step explanation:

1 2/5 hours= 1 hour and 24 minutes

2 2/3 hours=2 hours and 40 minutes

add them together

makes 4 hours and 4 minutes

lutik1710 [3]2 years ago
5 0

Answer:

4 1/15

Step-by-step explanation

You do 1 2/5+2 2/3 make the bottom numbers the same. To do that you would times both the top and bottom by the lowest number you can to make them the same 2/5*3 and 2/3*5 which makes it 1 6/15 and 2 10/15 then just add them making it 3 16/15. Then you make the top number lower then the bottom so then you add one to the whole number making it 4 and making the fraction 4 1/15.

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Work out the value<br> of <br> 2. 4510 ×10to the power of 9<br> 1.15 × 10 to the power of 3
Simora [160]

Answer:

The result in standard form is: 2.3 \times 10^{6}

Step-by-step explanation:

Dividing the values:

To find the real part, we divide 2.645 by 1.15. So

2.645/1.15 = 2.3

Finding the power:

Its a division, so we keep the base, and subtract the exponents. So

\frac{10^9}{10^3} = 10^{9-3} = 10^{6}

Result in standard form:

The result in standard form is: 2.3 \times 10^{6}

8 0
2 years ago
True or False: if the product of three numbers is negative, then all the numbers are negative?
S_A_V [24]
This question would be false
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2 years ago
Write the equation of the line that passes through the points (4,-3) and (3,2). Put your answer in fully reduced point-slope for
shtirl [24]

Answer:

y=−5x+17

Step-by-step explanation:

use the formula given in reference chart.

6 0
2 years ago
There are 20 boys in Mrs. Shaw’s 3rd-period class. 11 of the boys are from Benignus. What percent of the boys came from Benignus
o-na [289]
11/20 times 100% = 55%
3 0
3 years ago
Adam, Brian, and Casey are all brothers. Brian is three years less than twice Casey’s age. Adam is 9 years older than Casey. The
blagie [28]

Let Casey's age be x

Brian's age will be -3 from 2 times x ( Casey's age ) so it will be 2x-3

Adam's age will be Casey's age (x) + 9 which is x+9

NOW the sum of all these ages is 46 so..

Casey's age + Brian's age + Adam's age = 46

x + 2x-3 + x+9 = 46

2x + x + x + 9 -3 = 46

4x + (9 - 3) = 46

4x - 6 = 46

now transfer the numbers on the left one by one to the other side( right )

4x = 46 - 6        ( always remember the sign of the number becomes the                            opposite when we transfer them to other side)

4x = 40

x = 40 / 4

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so x = Casey's age = 10

2x - 3 = Brian's age = 2 * 10 - 3

                                = 20 - 3   =   17

x + 9 = Adam's age = 10 + 9 = 19

8 0
3 years ago
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